diff options
Diffstat (limited to 'usr/test.c')
| -rw-r--r-- | usr/test.c | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -1,6 +1,7 @@ #include <cpu.h> #include <graphics/lfb.h> #include <sys/schedule.h> +#include <usr/math.h> #include <usr/string.h> #include <util/mutex.h> @@ -11,6 +12,7 @@ static unsigned long ti, tf; static unsigned long times[MAX_ITER]; static unsigned long idx = 0; + void test_results(unsigned long off) { unsigned long mean=0, stdev=0, max=0; @@ -24,14 +26,15 @@ void test_results(unsigned long off) unsigned long term = (times[i]-mean)*(times[i]-mean)/MAX_ITER; stdev += term; } - static char str[13]; + stdev = sqrt_rnd(stdev); + char str[] = " ns\0"; char* start; start = ulong_to_string(mean, str); - draw_string(off*13, 12, start); + draw_string(off*15, 12, start); start = ulong_to_string(stdev, str); - draw_string(off*13, 13, start); + draw_string(off*15, 13, start); start = ulong_to_string(max, str); - draw_string(off*13, 14, start); + draw_string(off*15, 14, start); } void nopfxn(void) {} |