fixed division, undefined behaviors and some improvements (#33)

* testing using ctest

* emove old testing script

* added github workflow CI

* updated CI

* added unit test for macros

* F16() and F16C() are both rounding allways, so fix16_from_dbl should as well

* added tests for strign operations, but these functions are in my opinion unreliable and tests are failing

* removed old unittests

* removed old unittests from cmake

* problem with division using gcc

* improved benchmark

* clarification of problem with division

* attempt to fix

* fixed some undefined behaviors, fixed division

1 files changed, 11 insertions, 0 deletions

diff --git a/benchmarks/interface.h b/benchmarks/interface.h
index f8c5117..cf6a3f9 100644
--- a/benchmarks/interface.h
+++ b/benchmarks/interface.h
@@ -3,6 +3,15 @@
 
 #include <stdint.h>
 
+/* Tools for profiling */
+
+typedef struct {
+    uint32_t min;
+    uint32_t max;
+    uint32_t sum;
+    uint32_t count;
+} cyclecount_t;
+
 // Initialize
 void interface_init();
 
@@ -14,3 +23,5 @@ uint16_t end_timing();
 
 // Print a value to console, along with a descriptive label
 void print_value(const char *label, int32_t value);
+
+void print(const char *label, cyclecount_t *count);