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-rw-r--r--fixtest/fixtest.cbp52
-rw-r--r--fixtest/fixtest.depend34
-rw-r--r--fixtest/fixtest.layout13
-rw-r--r--fixtest/hiclock.c25
-rw-r--r--fixtest/hiclock.h33
-rw-r--r--fixtest/main.c60
6 files changed, 217 insertions, 0 deletions
diff --git a/fixtest/fixtest.cbp b/fixtest/fixtest.cbp
new file mode 100644
index 0000000..2671252
--- /dev/null
+++ b/fixtest/fixtest.cbp
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+ <FileVersion major="1" minor="6" />
+ <Project>
+ <Option title="fixtest" />
+ <Option pch_mode="2" />
+ <Option compiler="gcc" />
+ <Build>
+ <Target title="dbg">
+ <Option output="bin\dbg\fixtest" prefix_auto="1" extension_auto="1" />
+ <Option object_output="obj\dbg\" />
+ <Option type="1" />
+ <Option compiler="gcc" />
+ <Compiler>
+ <Add option="-g" />
+ </Compiler>
+ </Target>
+ <Target title="rel">
+ <Option output="bin\rel\fixtest" prefix_auto="1" extension_auto="1" />
+ <Option object_output="obj\rel\" />
+ <Option type="1" />
+ <Option compiler="gcc" />
+ <Compiler>
+ <Add option="-O2" />
+ </Compiler>
+ <Linker>
+ <Add option="-s" />
+ </Linker>
+ </Target>
+ </Build>
+ <Compiler>
+ <Add option="-Wall" />
+ <Add directory="..\" />
+ </Compiler>
+ <Linker>
+ <Add library="..\libfixmath\libfixmath.a" />
+ </Linker>
+ <Unit filename="hiclock.c">
+ <Option compilerVar="CC" />
+ </Unit>
+ <Unit filename="hiclock.h" />
+ <Unit filename="main.c">
+ <Option compilerVar="CC" />
+ </Unit>
+ <Extensions>
+ <code_completion />
+ <envvars />
+ <debugger />
+ <lib_finder disable_auto="1" />
+ </Extensions>
+ </Project>
+</CodeBlocks_project_file>
diff --git a/fixtest/fixtest.depend b/fixtest/fixtest.depend
new file mode 100644
index 0000000..92b569d
--- /dev/null
+++ b/fixtest/fixtest.depend
@@ -0,0 +1,34 @@
+# depslib dependency file v1.0
+1298564214 source:g:\vrfx\libfixmath\fixtest\main.c
+ <stdio.h>
+ <stdlib.h>
+ <math.h>
+ <time.h>
+ <inttypes.h>
+ <libfixmath/fixmath.h>
+ "hiclock.h"
+
+1298453688 g:\vrfx\libfixmath\\libfixmath\fixmath.h
+ "uint32.h"
+ "fract32.h"
+ "fix16.h"
+
+1298453688 g:\vrfx\libfixmath\\libfixmath\uint32.h
+ <stdint.h>
+
+1298453688 g:\vrfx\libfixmath\\libfixmath\fract32.h
+ <stdint.h>
+
+1298454206 g:\vrfx\libfixmath\\libfixmath\fix16.h
+ <stdint.h>
+
+1298562746 source:g:\vrfx\libfixmath\fixtest\hiclock.c
+ "hiclock.h"
+
+1298564182 g:\vrfx\libfixmath\fixtest\hiclock.h
+ <stdint.h>
+ <inttypes.h>
+ <sys/time.h>
+ <windows.h>
+ <time.h>
+
diff --git a/fixtest/fixtest.layout b/fixtest/fixtest.layout
new file mode 100644
index 0000000..6606349
--- /dev/null
+++ b/fixtest/fixtest.layout
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_layout_file>
+ <ActiveTarget name="dbg" />
+ <File name="hiclock.c" open="1" top="0" tabpos="3">
+ <Cursor position="520" topLine="0" />
+ </File>
+ <File name="hiclock.h" open="1" top="0" tabpos="2">
+ <Cursor position="578" topLine="0" />
+ </File>
+ <File name="main.c" open="1" top="1" tabpos="1">
+ <Cursor position="139" topLine="30" />
+ </File>
+</CodeBlocks_layout_file>
diff --git a/fixtest/hiclock.c b/fixtest/hiclock.c
new file mode 100644
index 0000000..94ed735
--- /dev/null
+++ b/fixtest/hiclock.c
@@ -0,0 +1,25 @@
+#include "hiclock.h"
+
+#if defined(__WIN32) || defined(__WIN64)
+LONGLONG HICLOCKS_PER_SEC = 0;
+
+void hiclock_init() {
+ LARGE_INTEGER freq;
+ QueryPerformanceFrequency(&freq);
+ HICLOCKS_PER_SEC = freq.QuadPart;
+}
+#endif
+
+hiclock_t hiclock() {
+ #if defined(__unix__)
+ timeval clocks;
+ gettimeofday(&clocks, NULL);
+ return ((uint64_t)clocks.tv_sec * 1000000ULL) + clocks.tv_usec;
+ #elif defined(__WIN32) || defined(__WIN64)
+ LARGE_INTEGER clocks;
+ QueryPerformanceCounter(&clocks);
+ return clocks.QuadPart;
+ #else
+ return clock();
+ #endif
+}
diff --git a/fixtest/hiclock.h b/fixtest/hiclock.h
new file mode 100644
index 0000000..89e32c8
--- /dev/null
+++ b/fixtest/hiclock.h
@@ -0,0 +1,33 @@
+#ifndef __hiclock_h__
+#define __hiclock_h__
+
+#include <stdint.h>
+#include <inttypes.h>
+
+#if defined(__unix__)
+#include <sys/time.h>
+#define PRIuHICLOCK PRIu64
+#define PRIiHICLOCK PRIi64
+typedef uint64_t hiclock_t;
+#define HICLOCKS_PER_SEC 1000000
+#define hiclock_init()
+#elif defined(__WIN32) || defined(__WIN64)
+#include <windows.h>
+#define PRIuHICLOCK PRIu64
+#define PRIiHICLOCK PRIi64
+typedef LONGLONG hiclock_t;
+extern LONGLONG HICLOCKS_PER_SEC;
+extern void hiclock_init();
+#else
+#include <time.h>
+#define PRIuHICLOCK PRIu32
+#define PRIiHICLOCK PRIi32
+typedef clock_t hiclock_t;
+#define HICLOCKS_PER_SEC CLOCKS_PER_SEC
+#define hiclock_init()
+#endif
+
+extern hiclock_t hiclock();
+
+#endif
+
diff --git a/fixtest/main.c b/fixtest/main.c
new file mode 100644
index 0000000..4c99381
--- /dev/null
+++ b/fixtest/main.c
@@ -0,0 +1,60 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <time.h>
+#include <inttypes.h>
+
+#include <libfixmath/fixmath.h>
+
+#include "hiclock.h"
+
+
+int main(int argc, char** argv) {
+ printf("libfixmath test tool\n");
+
+ hiclock_init();
+
+ uintptr_t iter = (1 << 16);
+ uintptr_t pass = (1 << 8);
+
+ uintptr_t i;
+ srand(time(NULL));
+
+ fix16_t fix_args[iter];
+ for(i = 0; i < iter; i++)
+ fix_args[i] = (rand() ^ (rand() << 16));
+ fix16_t fix_result[iter];
+ hiclock_t fix_start = hiclock();
+ for(i = 0; i < pass; i++) {
+ uintptr_t j;
+ for(j = 0; j < iter; j++)
+ fix_result[j] = fix16_atan(fix_args[j]);
+ }
+ hiclock_t fix_end = hiclock();
+
+ float flt_args[iter];
+ for(i = 0; i < iter; i++)
+ flt_args[i] = fix16_to_float(fix_args[i]);
+ float flt_result[iter];
+ hiclock_t flt_start = hiclock();
+ for(i = 0; i < pass; i++) {
+ uintptr_t j;
+ for(j = 0; j < iter; j++)
+ flt_result[j] = atanf(flt_args[j]);
+ }
+ hiclock_t flt_end = hiclock();
+
+ fix16_t fix_error = 0;
+ for(i = 0; i < iter; i++)
+ fix_error += abs(fix16_from_float(flt_result[i]) - fix_result[i]);
+
+ hiclock_t flt_duration = (flt_end - flt_start);
+ hiclock_t fix_duration = (fix_end - fix_start);
+
+ printf("Floating Point: %08"PRIuHICLOCK" @ %"PRIu32"Hz\n", flt_duration, HICLOCKS_PER_SEC);
+ printf("Fixed Point: %08"PRIuHICLOCK" @ %"PRIu32"Hz\n", fix_duration, HICLOCKS_PER_SEC);
+ printf("Difference: %08"PRIiHICLOCK" (% 3.2f%%)\n", (flt_duration - fix_duration), ((fix_duration * 100.0) / flt_duration));
+ printf("Error: % 3.2f%%\n", ((double)fix_error / iter));
+
+ return EXIT_SUCCESS;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2026-06-11 23:00:42 +0000