diff options
Diffstat (limited to 'Client/ThirdParty/libfixmath/fixtest/main.c')
| -rw-r--r-- | Client/ThirdParty/libfixmath/fixtest/main.c | 192 |
1 files changed, 96 insertions, 96 deletions
diff --git a/Client/ThirdParty/libfixmath/fixtest/main.c b/Client/ThirdParty/libfixmath/fixtest/main.c index 822f290..5f6dd92 100644 --- a/Client/ThirdParty/libfixmath/fixtest/main.c +++ b/Client/ThirdParty/libfixmath/fixtest/main.c @@ -1,96 +1,96 @@ -#include "hiclock.h" -#include <inttypes.h> -#include <libfixmath/fixmath.h> -#include <math.h> -#include <stdio.h> -#include <stdlib.h> -#include <time.h> - -#define EXP -//#define ATAN -//#define SIN -//#define SQRT - -#ifdef EXP -#define fix_func fix16_exp -#define fix_func_str "fix16_exp" -#define flt_func expf -#define flt_func_str "expf" -#endif - -#ifdef ATAN -#define fix_func fix16_atan -#define fix_func_str "fix16_atan" -#define flt_func atanf -#define flt_func_str "atanf" -#endif - -#ifdef SIN -#define fix_func fix16_sin -#define fix_func_str "fix16_sin" -#define flt_func sinf -#define flt_func_str "sinf" -#endif - -#ifdef SQRT -#define fix_func fix16_sqrt -#define fix_func_str "fix16_sqrt" -#define flt_func sqrtf -#define flt_func_str "sqrtf" -#endif - -int main(int argc, char **argv) -{ - printf("libfixmath test tool\n"); - - hiclock_init(); - - uintptr_t args = (1 << 8); - uintptr_t iter = (1 << 8); - uintptr_t pass = (1 << 8); - - uintptr_t i; - srand(time(NULL)); - - hiclock_t fix_duration = 0; - hiclock_t flt_duration = 0; - fix16_t fix_error = 0; - - uintptr_t k; - for (k = 0; k < pass; k++) - { - fix16_t fix_args[args]; - for (i = 0; i < args; i++) fix_args[i] = (rand() ^ (rand() << 16)); - fix16_t fix_result[args]; - hiclock_t fix_start = hiclock(); - for (i = 0; i < iter; i++) - { - uintptr_t j; - for (j = 0; j < args; j++) fix_result[j] = fix_func(fix_args[j]); - } - hiclock_t fix_end = hiclock(); - - float flt_args[args]; - for (i = 0; i < args; i++) flt_args[i] = fix16_to_float(fix_args[i]); - float flt_result[args]; - hiclock_t flt_start = hiclock(); - for (i = 0; i < iter; i++) - { - uintptr_t j; - for (j = 0; j < args; j++) flt_result[j] = flt_func(flt_args[j]); - } - hiclock_t flt_end = hiclock(); - - for (i = 0; i < args; i++) - fix_error += abs(fix16_from_float(flt_result[i]) - fix_result[i]); - flt_duration += (flt_end - flt_start); - fix_duration += (fix_end - fix_start); - } - - printf("%16s: %08" PRIuHICLOCK " @ %" PRIu32 "Hz\n", flt_func_str, flt_duration, HICLOCKS_PER_SEC); - printf("%16s: %08" PRIuHICLOCK " @ %" PRIu32 "Hz\n", fix_func_str, fix_duration, HICLOCKS_PER_SEC); - printf(" Difference: %08" PRIiHICLOCK " (% 3.2f%%)\n", (flt_duration - fix_duration), ((fix_duration * 100.0) / flt_duration)); - printf(" Error: %f%%\n", ((fix16_to_dbl(fix_error) * 100.0) / (args * pass))); - - return EXIT_SUCCESS; -} +#include "hiclock.h"
+#include <inttypes.h>
+#include <libfixmath/fixmath.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#define EXP
+//#define ATAN
+//#define SIN
+//#define SQRT
+
+#ifdef EXP
+#define fix_func fix16_exp
+#define fix_func_str "fix16_exp"
+#define flt_func expf
+#define flt_func_str "expf"
+#endif
+
+#ifdef ATAN
+#define fix_func fix16_atan
+#define fix_func_str "fix16_atan"
+#define flt_func atanf
+#define flt_func_str "atanf"
+#endif
+
+#ifdef SIN
+#define fix_func fix16_sin
+#define fix_func_str "fix16_sin"
+#define flt_func sinf
+#define flt_func_str "sinf"
+#endif
+
+#ifdef SQRT
+#define fix_func fix16_sqrt
+#define fix_func_str "fix16_sqrt"
+#define flt_func sqrtf
+#define flt_func_str "sqrtf"
+#endif
+
+int main(int argc, char **argv)
+{
+ printf("libfixmath test tool\n");
+
+ hiclock_init();
+
+ uintptr_t args = (1 << 8);
+ uintptr_t iter = (1 << 8);
+ uintptr_t pass = (1 << 8);
+
+ uintptr_t i;
+ srand(time(NULL));
+
+ hiclock_t fix_duration = 0;
+ hiclock_t flt_duration = 0;
+ fix16_t fix_error = 0;
+
+ uintptr_t k;
+ for (k = 0; k < pass; k++)
+ {
+ fix16_t fix_args[args];
+ for (i = 0; i < args; i++) fix_args[i] = (rand() ^ (rand() << 16));
+ fix16_t fix_result[args];
+ hiclock_t fix_start = hiclock();
+ for (i = 0; i < iter; i++)
+ {
+ uintptr_t j;
+ for (j = 0; j < args; j++) fix_result[j] = fix_func(fix_args[j]);
+ }
+ hiclock_t fix_end = hiclock();
+
+ float flt_args[args];
+ for (i = 0; i < args; i++) flt_args[i] = fix16_to_float(fix_args[i]);
+ float flt_result[args];
+ hiclock_t flt_start = hiclock();
+ for (i = 0; i < iter; i++)
+ {
+ uintptr_t j;
+ for (j = 0; j < args; j++) flt_result[j] = flt_func(flt_args[j]);
+ }
+ hiclock_t flt_end = hiclock();
+
+ for (i = 0; i < args; i++)
+ fix_error += abs(fix16_from_float(flt_result[i]) - fix_result[i]);
+ flt_duration += (flt_end - flt_start);
+ fix_duration += (fix_end - fix_start);
+ }
+
+ printf("%16s: %08" PRIuHICLOCK " @ %" PRIu32 "Hz\n", flt_func_str, flt_duration, HICLOCKS_PER_SEC);
+ printf("%16s: %08" PRIuHICLOCK " @ %" PRIu32 "Hz\n", fix_func_str, fix_duration, HICLOCKS_PER_SEC);
+ printf(" Difference: %08" PRIiHICLOCK " (% 3.2f%%)\n", (flt_duration - fix_duration), ((fix_duration * 100.0) / flt_duration));
+ printf(" Error: %f%%\n", ((fix16_to_dbl(fix_error) * 100.0) / (args * pass)));
+
+ return EXIT_SUCCESS;
+}
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