sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

59 files changed, 3016 insertions, 0 deletions

diff --git a/device/lib/pic16/libm/.deps/acosf.Po b/device/lib/pic16/libm/.deps/acosf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/acosf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/asincosf.Po b/device/lib/pic16/libm/.deps/asincosf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/asincosf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/asinf.Po b/device/lib/pic16/libm/.deps/asinf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/asinf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/atan2f.Po b/device/lib/pic16/libm/.deps/atan2f.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/atan2f.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/atanf.Po b/device/lib/pic16/libm/.deps/atanf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/atanf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/ceilf.Po b/device/lib/pic16/libm/.deps/ceilf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/ceilf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/cosf.Po b/device/lib/pic16/libm/.deps/cosf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/cosf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/coshf.Po b/device/lib/pic16/libm/.deps/coshf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/coshf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/cotf.Po b/device/lib/pic16/libm/.deps/cotf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/cotf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/errno.Po b/device/lib/pic16/libm/.deps/errno.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/errno.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/expf.Po b/device/lib/pic16/libm/.deps/expf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/expf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/fabsf.Po b/device/lib/pic16/libm/.deps/fabsf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/fabsf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/floorf.Po b/device/lib/pic16/libm/.deps/floorf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/floorf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/frexpf.Po b/device/lib/pic16/libm/.deps/frexpf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/frexpf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/isinf.Po b/device/lib/pic16/libm/.deps/isinf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/isinf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/isnan.Po b/device/lib/pic16/libm/.deps/isnan.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/isnan.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/ldexpf.Po b/device/lib/pic16/libm/.deps/ldexpf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/ldexpf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/log10f.Po b/device/lib/pic16/libm/.deps/log10f.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/log10f.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/logf.Po b/device/lib/pic16/libm/.deps/logf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/logf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/modff.Po b/device/lib/pic16/libm/.deps/modff.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/modff.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/powf.Po b/device/lib/pic16/libm/.deps/powf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/powf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/sincosf.Po b/device/lib/pic16/libm/.deps/sincosf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/sincosf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/sincoshf.Po b/device/lib/pic16/libm/.deps/sincoshf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/sincoshf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/sinf.Po b/device/lib/pic16/libm/.deps/sinf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/sinf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/sinhf.Po b/device/lib/pic16/libm/.deps/sinhf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/sinhf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/sqrtf.Po b/device/lib/pic16/libm/.deps/sqrtf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/sqrtf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/tancotf.Po b/device/lib/pic16/libm/.deps/tancotf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/tancotf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/tanf.Po b/device/lib/pic16/libm/.deps/tanf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/tanf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/.deps/tanhf.Po b/device/lib/pic16/libm/.deps/tanhf.Po
new file mode 100644
index 0000000..9ce06a8
--- /dev/null
+++ b/device/lib/pic16/libm/.deps/tanhf.Po
@@ -0,0 +1 @@
+# dummy
diff --git a/device/lib/pic16/libm/Makefile b/device/lib/pic16/libm/Makefile
new file mode 100644
index 0000000..4c139f7
--- /dev/null
+++ b/device/lib/pic16/libm/Makefile
@@ -0,0 +1,745 @@
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# libm/Makefile.  Generated from Makefile.in by configure.
+
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+
+
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+}
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+PACKAGE_BUGREPORT = tecodev AT users sourceforge net
+PACKAGE_NAME = pic16lib
+PACKAGE_STRING = pic16lib 0.3
+PACKAGE_TARNAME = pic16lib
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+	frexpf.c isinf.c isnan.c ldexpf.c log10f.c logf.c modff.c \
+	powf.c sincosf.c sincoshf.c sinf.c sinhf.c sqrtf.c tancotf.c \
+	tanf.c tanhf.c
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+	-rm -f ./$(DEPDIR)/atan2f.Po
+	-rm -f ./$(DEPDIR)/atanf.Po
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+	-rm -f ./$(DEPDIR)/logf.Po
+	-rm -f ./$(DEPDIR)/modff.Po
+	-rm -f ./$(DEPDIR)/powf.Po
+	-rm -f ./$(DEPDIR)/sincosf.Po
+	-rm -f ./$(DEPDIR)/sincoshf.Po
+	-rm -f ./$(DEPDIR)/sinf.Po
+	-rm -f ./$(DEPDIR)/sinhf.Po
+	-rm -f ./$(DEPDIR)/sqrtf.Po
+	-rm -f ./$(DEPDIR)/tancotf.Po
+	-rm -f ./$(DEPDIR)/tanf.Po
+	-rm -f ./$(DEPDIR)/tanhf.Po
+	-rm -f Makefile
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+
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+	uninstall-am uninstall-libLIBRARIES
+
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+
+
+# Use the generic code where possible.
+%.c: ../../%.c
+	test -e $(<D)/pic16/libm/$(@F) || ln -s $^ $@
+	test -e $@ || ln -s $(<D)/pic16/libm/$(@F) $@
+
+clean-local:
+	$(RM) *.asm;
+	$(RM) *.lst;
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diff --git a/device/lib/pic16/libm/Makefile.am b/device/lib/pic16/libm/Makefile.am
new file mode 100644
index 0000000..b3056ef
--- /dev/null
+++ b/device/lib/pic16/libm/Makefile.am
@@ -0,0 +1,42 @@
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+
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+
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+libm18f_a_SOURCES += asinf.c
+libm18f_a_SOURCES += atan2f.c
+libm18f_a_SOURCES += atanf.c
+libm18f_a_SOURCES += ceilf.c
+libm18f_a_SOURCES += cosf.c
+libm18f_a_SOURCES += coshf.c
+libm18f_a_SOURCES += cotf.c
+libm18f_a_SOURCES += errno.c
+libm18f_a_SOURCES += expf.c
+libm18f_a_SOURCES += fabsf.c
+libm18f_a_SOURCES += floorf.c
+libm18f_a_SOURCES += frexpf.c
+libm18f_a_SOURCES += isinf.c
+libm18f_a_SOURCES += isnan.c
+libm18f_a_SOURCES += ldexpf.c
+libm18f_a_SOURCES += log10f.c
+libm18f_a_SOURCES += logf.c
+libm18f_a_SOURCES += modff.c
+libm18f_a_SOURCES += powf.c
+libm18f_a_SOURCES += sincosf.c
+libm18f_a_SOURCES += sincoshf.c
+libm18f_a_SOURCES += sinf.c
+libm18f_a_SOURCES += sinhf.c
+libm18f_a_SOURCES += sqrtf.c
+libm18f_a_SOURCES += tancotf.c
+libm18f_a_SOURCES += tanf.c
+libm18f_a_SOURCES += tanhf.c
+
+# Use the generic code where possible.
+%.c: ../../%.c
+	test -e $(<D)/pic16/libm/$(@F) || ln -s $^ $@
+	test -e $@ || ln -s $(<D)/pic16/libm/$(@F) $@
+
+include $(top_srcdir)/Makefile.common
+
diff --git a/device/lib/pic16/libm/Makefile.in b/device/lib/pic16/libm/Makefile.in
new file mode 100644
index 0000000..6728a39
--- /dev/null
+++ b/device/lib/pic16/libm/Makefile.in
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+	  if test -f "$$i"; then \
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+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
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+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+	fi
+mostlyclean-generic:
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+distclean-generic:
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+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libLIBRARIES clean-local cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
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+	uninstall-am uninstall-libLIBRARIES
+
+.PRECIOUS: Makefile
+
+
+# Use the generic code where possible.
+%.c: ../../%.c
+	test -e $(<D)/pic16/libm/$(@F) || ln -s $^ $@
+	test -e $@ || ln -s $(<D)/pic16/libm/$(@F) $@
+
+clean-local:
+	$(RM) *.asm;
+	$(RM) *.lst;
+
+clean-intermediate: clean-local
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  echo "Making $@ in $$subdir"; \
+	  (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) $@); \
+	done
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/device/lib/pic16/libm/acosf.c b/device/lib/pic16/libm/acosf.c
new file mode 100644
index 0000000..63191ae
--- /dev/null
+++ b/device/lib/pic16/libm/acosf.c
@@ -0,0 +1,43 @@
+/*-------------------------------------------------------------------------
+   acosf.c - Computes arc cosine of a 32-bit float
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+
+float asincosf(float x, int isacos);
+
+float
+acosf (float x) _MATH_REENTRANT
+{
+  if (x == 1.0)
+    return 0.0;
+  else if (x == -1.0)
+    return PI;
+  else if (x == 0.0)
+    return HALF_PI;
+  return asincosf (x, 1);
+}
diff --git a/device/lib/pic16/libm/asincosf.c b/device/lib/pic16/libm/asincosf.c
new file mode 100644
index 0000000..7130dfe
--- /dev/null
+++ b/device/lib/pic16/libm/asincosf.c
@@ -0,0 +1,89 @@
+/*-------------------------------------------------------------------------
+   asincosf.c - Computes asin or acos of a 32-bit float as outlined in [1]
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* [1] William James Cody and W.  M.  Waite.  _Software manual for the
+   elementary functions_, Englewood Cliffs, N.J.:Prentice-Hall, 1980. */
+
+#include <math.h>
+#include <errno.h>
+
+#define P1  0.933935835E+0
+#define P2 -0.504400557E+0
+#define Q0  0.560363004E+1
+#define Q1 -0.554846723E+1
+#define Q2  0.100000000E+1
+
+#define P(g) (P2*g+P1)
+#define Q(g) ((Q2*g+Q1)*g+Q0)
+
+float asincosf(float x, int isacos)
+{
+    float y, g, r;
+    int i;
+
+    static const float a[2]={ 0.0, QUART_PI };
+    static const float b[2]={ HALF_PI, QUART_PI };
+
+    y=fabsf(x);
+    i=isacos;
+    if (y < EPS) r=y;
+    else
+    {
+        if (y > 0.5)
+        {
+            i=1-i;
+            if (y > 1.0)
+            {
+                errno=EDOM;
+                return 0.0;
+            }
+            g=(0.5-y)+0.5;
+            g=ldexpf(g,-1);
+            y=sqrtf(g);
+            y=-(y+y);
+        }
+        else
+        {
+            g=y*y;
+        }
+        r=y+y*((P(g)*g)/Q(g));
+    }
+    if (isacos)
+    {
+        if (x < 0.0)
+            r=(b[i]+r)+b[i];
+        else
+            r=(a[i]-r)+a[i];
+    }
+    else
+    {
+        r=(a[i]+r)+a[i];
+        if (x<0.0) r=-r;
+    }
+    return r;
+}
diff --git a/device/lib/pic16/libm/asinf.c b/device/lib/pic16/libm/asinf.c
new file mode 100644
index 0000000..12c25eb
--- /dev/null
+++ b/device/lib/pic16/libm/asinf.c
@@ -0,0 +1,39 @@
+/*-------------------------------------------------------------------------
+   asinf.c - Computes asin(x)
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+
+float asincosf(float x, int isacos);
+
+float asinf(float x) _MATH_REENTRANT
+{   
+         if(x== 1.0) return  HALF_PI;
+    else if(x==-1.0) return -HALF_PI;
+    else if(x== 0.0) return 0.0;
+    else return asincosf(x,0);
+}
diff --git a/device/lib/pic16/libm/atan2f.c b/device/lib/pic16/libm/atan2f.c
new file mode 100644
index 0000000..297f4e9
--- /dev/null
+++ b/device/lib/pic16/libm/atan2f.c
@@ -0,0 +1,53 @@
+/*-------------------------------------------------------------------------
+   atan2f.c - Computes atan2(x) where x is a 32-bit float.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+#include <errno.h>
+
+float atan2f(float x, float y)
+{
+    float r;
+
+    if ((x==0.0) && (y==0.0))
+    {
+        errno=EDOM;
+        return 0.0;
+    }
+
+    if(fabsf(y)>=fabsf(x))
+    {
+        r=atanf(x/y);
+        if(y<0.0) r+=(x>=0?PI:-PI);
+    }
+    else
+    {
+        r=-atanf(y/x);
+        r+=(x<0.0?-HALF_PI:HALF_PI);
+    }
+    return r;
+}
diff --git a/device/lib/pic16/libm/atanf.c b/device/lib/pic16/libm/atanf.c
new file mode 100644
index 0000000..d7d0090
--- /dev/null
+++ b/device/lib/pic16/libm/atanf.c
@@ -0,0 +1,77 @@
+/*-------------------------------------------------------------------------
+   atanf.c - Computes arctan of a 32-bit float as outlined in [1]
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* [1] William James Cody and W.  M.  Waite.  _Software manual for the
+   elementary functions_, Englewood Cliffs, N.J.:Prentice-Hall, 1980. */
+
+#include <math.h>
+#include <errno.h>
+
+#define P0 -0.4708325141E+0
+#define P1 -0.5090958253E-1
+#define Q0  0.1412500740E+1
+#define Q1  0.1000000000E+1
+
+#define P(g,f) ((P1*g+P0)*g*f)
+#define Q(g) (Q1*g+Q0)
+
+#define K1  0.2679491924 /* 2-sqrt(3) */
+#define K2  0.7320508076 /* sqrt(3)-1 */
+#define K3  1.7320508076 /* sqrt(3)   */
+
+float atanf(float x) _MATH_REENTRANT
+{
+    float f, r, g;
+    int n=0;
+    static const float a[]={  0.0, 0.5235987756, 1.5707963268, 1.0471975512 };
+
+    f=fabsf(x);
+    if(f>1.0)
+    {
+        f=1.0/f;
+        n=2;
+    }
+    if(f>K1)
+    {
+        f=((K2*f-1.0)+f)/(K3+f);
+        // What it is actually wanted is this more accurate formula,
+        // but SDCC optimizes it and then it does not work:
+        // f=(((K2*f-0.5)-0.5)+f)/(K3+f);
+        n++;
+    }
+    if(fabsf(f)<EPS) r=f;
+    else
+    {
+        g=f*f;
+        r=f+P(g,f)/Q(g);
+    }
+    if(n>1) r=-r;
+    r+=a[n];
+    if(x<0.0) r=-r;
+    return r;
+}
diff --git a/device/lib/pic16/libm/ceilf.c b/device/lib/pic16/libm/ceilf.c
new file mode 100644
index 0000000..98b428f
--- /dev/null
+++ b/device/lib/pic16/libm/ceilf.c
@@ -0,0 +1,39 @@
+/*-------------------------------------------------------------------------
+   ceilf.c - Returns the integer larger or equal than x
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+
+float ceilf(float x) _MATH_REENTRANT
+{
+    long r;
+    r=x;
+    if (r<0)
+        return r;
+    else
+        return (r+((r<x)?1:0));
+}
diff --git a/device/lib/pic16/libm/cosf.c b/device/lib/pic16/libm/cosf.c
new file mode 100644
index 0000000..e9f8820
--- /dev/null
+++ b/device/lib/pic16/libm/cosf.c
@@ -0,0 +1,37 @@
+/*-------------------------------------------------------------------------
+   cosf.c - Computes cos(x) where x is a 32-bit float.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+
+float sincosf(float x, int iscos);
+
+float cosf(float x) _MATH_REENTRANT
+{
+    if (x==0.0) return 1.0;
+    return sincosf(x, 1);
+}
diff --git a/device/lib/pic16/libm/coshf.c b/device/lib/pic16/libm/coshf.c
new file mode 100644
index 0000000..7d8fd19
--- /dev/null
+++ b/device/lib/pic16/libm/coshf.c
@@ -0,0 +1,36 @@
+/*-------------------------------------------------------------------------
+   coshf.c - Computes cosh(x) where x is a 32-bit float.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+
+float sincoshf(float x, int iscosh);
+
+float coshf(float x) _MATH_REENTRANT
+{
+    return sincoshf(x, 1);
+}
diff --git a/device/lib/pic16/libm/cotf.c b/device/lib/pic16/libm/cotf.c
new file mode 100644
index 0000000..71c7860
--- /dev/null
+++ b/device/lib/pic16/libm/cotf.c
@@ -0,0 +1,48 @@
+/*-------------------------------------------------------------------------
+   cotf.c - Computes cot(x) where x is a 32-bit float.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+#include <errno.h>
+
+float tancotf(float x, int iscot);
+
+float cotf(float x) _MATH_REENTRANT
+{
+    float y;
+
+    y=fabsf(x);
+    if (y<1.0E-30) //This one requires more thinking...
+    {
+        errno = ERANGE;
+        if (x<0.0)
+            return -XMAX;
+        else
+            return XMAX;
+    }
+    return tancotf(x, 1);
+}
diff --git a/device/lib/pic16/libm/errno.c b/device/lib/pic16/libm/errno.c
new file mode 100644
index 0000000..710f92c
--- /dev/null
+++ b/device/lib/pic16/libm/errno.c
@@ -0,0 +1,29 @@
+/*-------------------------------------------------------------------------
+   errno.c - just declares errno as a variable
+
+   Copyright (C) 2005, Vangelis Rokas <vrokas AT otenet.gr>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+int errno;
diff --git a/device/lib/pic16/libm/expf.c b/device/lib/pic16/libm/expf.c
new file mode 100644
index 0000000..ba985f7
--- /dev/null
+++ b/device/lib/pic16/libm/expf.c
@@ -0,0 +1,93 @@
+/*-------------------------------------------------------------------------
+   expf.c - Computes e**x of a 32-bit float as outlined in [1]
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* [1] William James Cody and W.  M.  Waite.  _Software manual for the
+   elementary functions_, Englewood Cliffs, N.J.:Prentice-Hall, 1980. */
+
+#include <math.h>
+#include <errno.h>
+
+#define P0      0.2499999995E+0
+#define P1      0.4160288626E-2
+#define Q0      0.5000000000E+0
+#define Q1      0.4998717877E-1
+
+#define P(z) ((P1*z)+P0)
+#define Q(z) ((Q1*z)+Q0)
+
+#define C1       0.693359375
+#define C2      -2.1219444005469058277e-4
+
+#define BIGX    88.72283911  /* ln(XMAX) */
+#define EXPEPS  1.0E-7       /* exp(1.0E-7)=0.0000001 */
+#define K1      1.4426950409 /* 1/ln(2) */
+
+float expf(float x)
+{
+    int n;
+    float xn, g, r, z, y;
+    char sign;
+
+    if(x>=0.0)
+        { y=x;  sign=0; }
+    else
+        { y=-x; sign=1; }
+
+    if(y<EXPEPS) return 1.0;
+
+    if(y>BIGX)
+    {
+        if(sign)
+        {
+            errno=ERANGE;
+            return XMAX;
+        }
+        else
+        {
+            return 0.0;
+        }
+    }
+
+    z=y*K1;
+    n=z;
+
+    if(n<0) --n;
+    if(z-n>=0.5) ++n;
+    xn=n;
+    g=((y-xn*C1))-xn*C2;
+    z=g*g;
+    r=P(z)*g;
+    r=0.5+(r/(Q(z)-r));
+
+    n++;
+    z=ldexpf(r, n);
+    if(sign)
+        return 1.0/z;
+    else
+        return z;
+}
diff --git a/device/lib/pic16/libm/fabsf.c b/device/lib/pic16/libm/fabsf.c
new file mode 100644
index 0000000..30946d4
--- /dev/null
+++ b/device/lib/pic16/libm/fabsf.c
@@ -0,0 +1,39 @@
+/*-------------------------------------------------------------------------
+   fabsf.c - Returns the absolute value of a 32-bit float.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+#include <errno.h>
+
+float fabsf(float x) _MATH_REENTRANT
+{
+    union float_long fl;
+
+    fl.f = x;
+    fl.l &= 0x7fffffff;
+    return fl.f;
+}
diff --git a/device/lib/pic16/libm/floorf.c b/device/lib/pic16/libm/floorf.c
new file mode 100644
index 0000000..a98786d
--- /dev/null
+++ b/device/lib/pic16/libm/floorf.c
@@ -0,0 +1,39 @@
+/*-------------------------------------------------------------------------
+   floorf.c - Returns the integer smaller or equal than x
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+
+float floorf (float x) _MATH_REENTRANT
+{
+    long r;
+    r=x;
+    if (r<=0)
+        return (r+((r>x)?-1:0));
+    else
+        return r;
+}
diff --git a/device/lib/pic16/libm/frexpf.c b/device/lib/pic16/libm/frexpf.c
new file mode 100644
index 0000000..e0dd890
--- /dev/null
+++ b/device/lib/pic16/libm/frexpf.c
@@ -0,0 +1,45 @@
+/*-------------------------------------------------------------------------
+   frexpf.c - Returns the exponent and mantisa of a 32 bit float.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+#include <errno.h>
+
+float frexpf(float x, int *pw2)
+{
+    union float_long fl;
+    long int i;
+
+    fl.f=x;
+    /* Find the exponent (power of 2) */
+    i  = ( fl.l >> 23) & 0x000000ff;
+    i -= 0x7e;
+    *pw2 = i;
+    fl.l &= 0x807fffff; /* strip all exponent bits */
+    fl.l |= 0x3f000000; /* mantissa between 0.5 and 1 */
+    return(fl.f);
+}
diff --git a/device/lib/pic16/libm/ldexpf.c b/device/lib/pic16/libm/ldexpf.c
new file mode 100644
index 0000000..7530b2d
--- /dev/null
+++ b/device/lib/pic16/libm/ldexpf.c
@@ -0,0 +1,44 @@
+/*-------------------------------------------------------------------------
+   ldexpf.c - Build a float from a mantisa and exponent.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+#include <errno.h>
+
+float ldexpf(float x, int pw2)
+{
+    union float_long fl;
+    long e;
+
+    fl.f = x;
+
+    e=(fl.l >> 23) & 0x000000ff;
+    e+=pw2;
+    fl.l= ((e & 0xff) << 23) | (fl.l & 0x807fffff);
+
+    return(fl.f);
+}
diff --git a/device/lib/pic16/libm/log10f.c b/device/lib/pic16/libm/log10f.c
new file mode 100644
index 0000000..d9e57d0
--- /dev/null
+++ b/device/lib/pic16/libm/log10f.c
@@ -0,0 +1,35 @@
+/*-------------------------------------------------------------------------
+   log10f.c: Computes the base 10 log of a 32 bit float.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+#include <errno.h>
+
+float log10f(float x) _MATH_REENTRANT
+{
+    return logf(x)*0.4342944819;
+}
diff --git a/device/lib/pic16/libm/logf.c b/device/lib/pic16/libm/logf.c
new file mode 100644
index 0000000..46e1af6
--- /dev/null
+++ b/device/lib/pic16/libm/logf.c
@@ -0,0 +1,78 @@
+/*-------------------------------------------------------------------------
+   logf.c: Computes the natural log of a 32 bit float as outlined in [1].
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* [1] William James Cody and W.  M.  Waite.  _Software manual for the
+   elementary functions_, Englewood Cliffs, N.J.:Prentice-Hall, 1980. */
+
+#include <math.h>
+#include <errno.h>
+
+/*Constans for 24 bits or less (8 decimal digits)*/
+#define A0 -0.5527074855E+0
+#define B0 -0.6632718214E+1
+#define A(w) (A0)
+#define B(w) (w+B0)
+
+#define C0  0.70710678118654752440
+#define C1  0.693359375 /*355.0/512.0*/
+#define C2 -2.121944400546905827679E-4
+
+float logf(float x) _MATH_REENTRANT
+{
+#if     defined(__SDCC_mcs51) && defined(__SDCC_MODEL_SMALL) \
+    && !defined(__SDCC_NOOVERLAY)
+    volatile
+#endif
+    float Rz;
+    float f, z, w, znum, zden, xn;
+    int n;
+
+    if (x<=0.0)
+    {
+        errno=EDOM;
+        return 0.0;
+    }
+    f=frexpf(x, &n);
+    znum=f-0.5;
+    if (f>C0)
+    {
+        znum-=0.5;
+        zden=(f*0.5)+0.5;
+    }
+    else
+    {
+        n--;
+        zden=znum*0.5+0.5;
+    }
+    z=znum/zden;
+    w=z*z;
+
+    Rz=z+z*(w*A(w)/B(w));
+    xn=n;
+    return ((xn*C2+Rz)+xn*C1);
+}
diff --git a/device/lib/pic16/libm/modff.c b/device/lib/pic16/libm/modff.c
new file mode 100644
index 0000000..b9c23c1
--- /dev/null
+++ b/device/lib/pic16/libm/modff.c
@@ -0,0 +1,35 @@
+/*-------------------------------------------------------------------------
+   modff.c - Returns both the integer and fraction of a float.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+
+float modff(float x, float * y)
+{
+    *y=((int)x);
+    return (x-*y);
+}
diff --git a/device/lib/pic16/libm/powf.c b/device/lib/pic16/libm/powf.c
new file mode 100644
index 0000000..54476ee
--- /dev/null
+++ b/device/lib/pic16/libm/powf.c
@@ -0,0 +1,39 @@
+/*-------------------------------------------------------------------------
+   powf.c - Computes x**y where x and y are 32-bit floats.
+            WARNING: less that 6 digits accuracy.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+#include <errno.h>
+
+float powf(float x, float y)
+{
+    if(y == 0.0) return 1.0;
+    if(y==1.0) return x;
+    if(x <= 0.0) return 0.0;
+    return expf(logf(x) * y);
+}
diff --git a/device/lib/pic16/libm/sincosf.c b/device/lib/pic16/libm/sincosf.c
new file mode 100644
index 0000000..e480702
--- /dev/null
+++ b/device/lib/pic16/libm/sincosf.c
@@ -0,0 +1,94 @@
+/*-------------------------------------------------------------------------
+   sincosf.c - Computes sin or cos of a 32-bit float as outlined in [1]
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* [1] William James Cody and W.  M.  Waite.  _Software manual for the
+   elementary functions_, Englewood Cliffs, N.J.:Prentice-Hall, 1980. */
+
+#include <math.h>
+#include <errno.h>
+
+#define r1      (-0.1666665668E+0)
+#define r2      (0.8333025139E-2)
+#define r3      (-0.1980741872E-3)
+#define r4       (0.2601903036E-5)
+
+/* PI=C1+C2 */
+#define C1       3.140625
+#define C2       9.676535897E-4
+
+/*A reasonable value for YMAX is the int part of PI*B**(t/2)=3.1416*2**(12)*/
+#define YMAX     12867.0
+
+float sincosf(float x, int iscos)
+{
+    float y, f, r, g, XN;
+    int N;
+    char sign;
+
+    if(iscos)
+    {
+        y=fabsf(x)+HALF_PI;
+        sign=0;
+    }
+    else
+    {
+        if(x<0.0)
+            { y=-x; sign=1; }
+        else
+            { y=x; sign=0; }
+    }
+
+    if(y>YMAX)
+    {
+        errno=ERANGE;
+        return 0.0;
+    }
+
+    /*Round y/PI to the nearest integer*/
+    N=((y*iPI)+0.5); /*y is positive*/
+
+    /*If N is odd change sign*/
+    if(N&1) sign=!sign;
+
+    XN=N;
+    /*Cosine required? (is done here to keep accuracy)*/
+    if(iscos) XN-=0.5;
+
+    y=fabsf(x);
+    r=(int)y;
+    g=y-r;
+    f=((r-XN*C1)+g)-XN*C2;
+
+    g=f*f;
+    if(g>EPS2) //Used to be if(fabsf(f)>EPS)
+    {
+        r=(((r4*g+r3)*g+r2)*g+r1)*g;
+        f+=f*r;
+    }
+    return (sign?-f:f);
+}
diff --git a/device/lib/pic16/libm/sincoshf.c b/device/lib/pic16/libm/sincoshf.c
new file mode 100644
index 0000000..636960a
--- /dev/null
+++ b/device/lib/pic16/libm/sincoshf.c
@@ -0,0 +1,97 @@
+/*-------------------------------------------------------------------------
+   sincoshf.c - Computes sinh or cosh of a 32-bit float as outlined in [1]
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* [1] William James Cody and W.  M.  Waite.  _Software manual for the
+   elementary functions_, Englewood Cliffs, N.J.:Prentice-Hall, 1980. */
+
+#include <math.h>
+#include <errno.h>
+
+#define P0 -0.713793159E+1
+#define P1 -0.190333999E+0
+#define Q0 -0.428277109E+2
+#define Q1  0.100000000E+1
+
+#define P(z) (P1*z+P0)
+#define Q(z) (Q1*z+Q0)
+
+#define K1 0.69316101074218750000E+0 /* ln(v)   */
+#define K2 0.24999308500451499336E+0 /* v**(-2) */
+#define K3 0.13830277879601902638E-4 /* v/2-1   */
+
+//WMAX is defined as ln(XMAX)-ln(v)+0.69
+#define WMAX 44.93535952E+0
+//WBAR 0.35*(b+1)
+#define WBAR 1.05
+#define YBAR 9.0 /*Works for me*/
+
+float sincoshf(float x, int iscosh)
+{
+    float y, w, z;
+    char sign;
+    
+    if (x<0.0) { y=-x; sign=1; }
+          else { y=x;  sign=0; }
+
+    if ((y>1.0) || iscosh)
+    {
+        if(y>YBAR)
+        {
+            w=y-K1;
+            if (w>WMAX)
+            {
+                errno=ERANGE;
+                z=XMAX;
+            }
+            else
+            {
+                z=expf(w);
+                z+=K3*z;
+            }
+        }
+        else
+        {
+            z=expf(y);
+            w=1.0/z;
+            if(!iscosh) w=-w;
+            z=(z+w)*0.5;
+        }
+        if(sign) z=-z;
+    }
+    else
+    {
+        if (y<EPS)
+            z=x;
+        else
+        {
+            z=x*x;
+            z=x+x*z*P(z)/Q(z);
+        }
+    }
+    return z;
+}
diff --git a/device/lib/pic16/libm/sinf.c b/device/lib/pic16/libm/sinf.c
new file mode 100644
index 0000000..b52079e
--- /dev/null
+++ b/device/lib/pic16/libm/sinf.c
@@ -0,0 +1,37 @@
+/*-------------------------------------------------------------------------
+   sinf.c - Computes sin(x) where x is a 32-bit float.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+
+float sincosf(float x, int iscos);
+
+float sinf(float x) _MATH_REENTRANT
+{
+    if (x==0.0) return 0.0;
+    return sincosf(x, 0);
+}
diff --git a/device/lib/pic16/libm/sinhf.c b/device/lib/pic16/libm/sinhf.c
new file mode 100644
index 0000000..39b4802
--- /dev/null
+++ b/device/lib/pic16/libm/sinhf.c
@@ -0,0 +1,36 @@
+/*-------------------------------------------------------------------------
+   sinhf.c - Computes sinh(x) where x is a 32-bit float.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+
+float sincoshf(float x, int iscosh);
+
+float sinhf(float x) _MATH_REENTRANT
+{
+    return sincoshf(x, 0);
+}
diff --git a/device/lib/pic16/libm/sqrtf.c b/device/lib/pic16/libm/sqrtf.c
new file mode 100644
index 0000000..fa3e788
--- /dev/null
+++ b/device/lib/pic16/libm/sqrtf.c
@@ -0,0 +1,59 @@
+/*-------------------------------------------------------------------------
+   sqrtf.c - Computes square root of a 32-bit float as outlined in [1]
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* [1] William James Cody and W.  M.  Waite.  _Software manual for the
+   elementary functions_, Englewood Cliffs, N.J.:Prentice-Hall, 1980. */
+
+#include <math.h>
+#include <errno.h>
+
+float sqrtf(float x) _MATH_REENTRANT
+{
+    float f, y;
+    int n;
+
+    if (x==0.0) return x;
+    else if (x==1.0) return 1.0;
+    else if (x<0.0)
+    {
+        errno=EDOM;
+        return 0.0;
+    }
+    f=frexpf(x, &n);
+    y=0.41731+0.59016*f; /*Educated guess*/
+    /*For a 24 bit mantisa (float), two iterations are sufficient*/
+    y+=f/y;
+    y=ldexpf(y, -2) + f/y; /*Faster version of 0.25 * y + f/y*/
+
+    if (n&1)
+    {
+        y*=0.7071067812;
+        ++n;
+    }
+    return ldexpf(y, n/2);
+}
diff --git a/device/lib/pic16/libm/tancotf.c b/device/lib/pic16/libm/tancotf.c
new file mode 100644
index 0000000..8dab900
--- /dev/null
+++ b/device/lib/pic16/libm/tancotf.c
@@ -0,0 +1,92 @@
+/*-------------------------------------------------------------------------
+   tancotf.c - Computes tan or cot of a 32-bit float as outlined in [1]
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* [1] William James Cody and W.  M.  Waite.  _Software manual for the
+   elementary functions_, Englewood Cliffs, N.J.:Prentice-Hall, 1980. */
+
+#include <math.h>
+#include <errno.h>
+
+#define P0  0.100000000E+1
+#define P1 -0.958017723E-1
+#define Q0  0.100000000E+1
+#define Q1 -0.429135777E+0
+#define Q2  0.971685835E-2
+
+#define C1  1.5703125
+#define C2  4.83826794897E-4
+
+#define P(f,g) (P1*g*f+f)
+#define Q(g) ((Q2*g+Q1)*g+Q0)
+
+//A reasonable choice for YMAX is the integer part of B**(t/2)*PI/2:
+#define YMAX 6433.0
+
+float tancotf(float x, int iscotan)
+{
+    float f, g, xn, xnum, xden;
+    int n;
+
+    if (fabsf(x) > YMAX)
+    {
+        errno = ERANGE;
+        return 0.0;
+    }
+
+    /*Round x*2*PI to the nearest integer*/
+    n=(x*TWO_O_PI+(x>0.0?0.5:-0.5)); /*works for +-x*/
+    xn=n;
+
+    xnum=(int)x;
+    xden=x-xnum;
+    f=((xnum-xn*C1)+xden)-xn*C2;
+
+    if (fabsf(f) < EPS)
+    {
+        xnum = f;
+        xden = 1.0;
+    }
+    else
+    {
+        g = f*f;
+        xnum = P(f,g);
+        xden = Q(g);
+    }
+
+    if(n&1)
+    //xn is odd
+    {
+        if(iscotan) return (-xnum/xden);
+               else return (-xden/xnum);
+    }
+    else
+    {
+        if(iscotan) return (xden/xnum);
+               else return (xnum/xden);
+    }
+}
diff --git a/device/lib/pic16/libm/tanf.c b/device/lib/pic16/libm/tanf.c
new file mode 100644
index 0000000..917378d
--- /dev/null
+++ b/device/lib/pic16/libm/tanf.c
@@ -0,0 +1,36 @@
+/*-------------------------------------------------------------------------
+   tanf.c - Computes tan(x) where x is a 32-bit float.
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+#include <math.h>
+
+float tancotf(float x, int iscot);
+
+float tanf(float x) _MATH_REENTRANT
+{
+    return tancotf(x, 0);
+}
diff --git a/device/lib/pic16/libm/tanhf.c b/device/lib/pic16/libm/tanhf.c
new file mode 100644
index 0000000..c72f2c3
--- /dev/null
+++ b/device/lib/pic16/libm/tanhf.c
@@ -0,0 +1,67 @@
+/*-------------------------------------------------------------------------
+   tanhf.c - Computes tanh(x) where x is a 32-bit float as outlined in [1].
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga <jesusc At ieee.org>
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* [1] William James Cody and W.  M.  Waite.  _Software manual for the
+   elementary functions_, Englewood Cliffs, N.J.:Prentice-Hall, 1980. */
+
+#include <math.h>
+#include <errno.h>
+
+#define P0 -0.8237728127E+0
+#define P1 -0.3831010665E-2
+#define Q0  0.2471319654E+1
+#define Q1  0.1000000000E+1
+
+/* ln(3)/2 */
+#define K1  0.5493061443E+0
+/* SBIG=[ln(2)+(t+1)*ln(B)]/2 */
+#define SBIG 9.01091
+
+#define P(g) ((P1*g+P0)*g)
+#define Q(g) (Q1*g+Q0)
+
+float tanhf(float x) _MATH_REENTRANT
+{
+    float f, g, r;
+
+    f=fabsf(x);
+    if(f>SBIG) r=1.0;
+    else if(f>K1)
+    {
+        r=0.5-1.0/(expf(f+f)+1.0);
+        r+=r;
+    }
+    else if(f<EPS) r=f;
+    else
+    {
+        g=f*f;
+        r=f+f*(P(g)/Q(g));
+    }
+    if(x<0.0) r=-r;
+    return r;
+}