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This commit is contained in:
Edward Emelianov
2026-08-04 19:35:32 +03:00
parent 970d73dc38
commit 40d0605218
6 changed files with 30 additions and 19 deletions
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16
G4:G431/CORDIC/test.c
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@@ -27,6 +27,9 @@
// amount of iterations over test
#define N_TESTS 1000
static float arr[N_TESTS];
// RNG
static uint32_t rand_state = 123456789;
static uint32_t next_rand(void){
@@ -35,35 +38,34 @@ static uint32_t next_rand(void){
}
// fill array with random angles
static void fill_random_sin_cos(float *arr){
static void fill_random_sin_cos(){
for(int i = 0; i < N_TESTS; ++i){
// angle from -pi to +pi
arr[i] = (float)(next_rand() % 62831853) / 10000000.0f - 3.14159265f;
}
}
static void fill_random_atan(float *arr){
static void fill_random_atan(){
for(int i = 0; i < N_TESTS; ++i){
arr[i] = (float)(next_rand() % 2000000) / 1e6f - 1e6f; // [-1,1]
}
}
static void fill_random_sqrt(float *arr){
static void fill_random_sqrt(){
for(int i = 0; i < N_TESTS; ++i){
arr[i] = (float)(next_rand() % 10000) / 100.0f; // [0,100]
}
}
static void fill_random_log(float *arr){
static void fill_random_log(){
for(int i = 0; i < N_TESTS; ++i){
arr[i] = (float)(next_rand() % 10000 + 1) / 100.0f; // [0.01, 100]
}
}
// main test template
static uint32_t run_test(void (*gen)(float*), float (*func)(float)){
float arr[N_TESTS];
gen(arr);
static uint32_t run_test(void (*gen)(), float (*func)(float)){
gen();
volatile float result = 0.0f; // don't let gcc to optimize this cycle
timer_start();
for(int i = 0; i < N_TESTS; ++i){