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#include <stdio.h>
#include <string.h>
#include <osmocom/core/utils.h>
#include "../../Transceiver52M/common/convolve.h"
#define TESTVEC_LEN 1000
#define DO_INIT 1
float x_vect[TESTVEC_LEN];
float y_vect[TESTVEC_LEN];
float h_vect[TESTVEC_LEN];
float *x;
float *h;
float *y;
/* Generate some random values for testing */
void gen_floats(float *vect, int len)
{
int i;
for(i=0;i<len;i++) {
vect[i] = (float)rand()/(float)(RAND_MAX);
}
}
/* Reset testvectors */
static void reset_testvec(int seed)
{
srand(seed);
memset(x_vect,0,sizeof(x_vect));
memset(y_vect,0,sizeof(y_vect));
memset(h_vect,0,sizeof(h_vect));
x=x_vect + TESTVEC_LEN/2;
y=y_vect + TESTVEC_LEN/2;
h=h_vect + TESTVEC_LEN/2;
gen_floats(x_vect,TESTVEC_LEN);
gen_floats(h_vect,TESTVEC_LEN);
}
/* Show float vector data cut and paste friendly */
static void dump_floats(float *vect, int len, char *name)
{
int i;
printf("float %s[] = {", name);
for(i=0;i<len;i++) {
printf("%f",vect[i]);
if(i<len-1)
printf(",");
}
printf("}\n");
}
/* Test complex convolution */
static void test_convolve_complex(int h_len)
{
int x_len;
int y_len;
int start;
int len;
int step;
int offset;
x_len=34;
y_len=26;
start=8;
len=26;
step=1;
offset=1;
reset_testvec(0);
dump_floats(x,x_len,"x");
printf("\n");
dump_floats(h,h_len,"h");
printf("\n");
convolve_complex(x, x_len, h, h_len, y, y_len, start, len, step, offset);
dump_floats(y,y_len,"y");
printf("\n");
}
/* Test real convolution */
static void test_convolve_real(int h_len)
{
int x_len;
int y_len;
int start;
int len;
int step;
int offset;
x_len=34;
y_len=26;
start=8;
len=26;
step=1;
offset=1;
reset_testvec(0);
dump_floats(x,x_len,"x");
printf("\n");
dump_floats(h,h_len,"h");
printf("\n");
convolve_real(x, x_len, h, h_len, y, y_len, start, len, step, offset);
dump_floats(y,y_len,"y");
printf("\n");
}
int main(void)
{
#if DO_INIT == 1
convolve_init();
#endif
printf("==== TEST COMPLEX BASE IMPLEMENTATION ====\n");
test_convolve_complex(17);
printf("==== TEST COMPLEX SSE3 IMPLEMENTATION: (h_len%%4=0) ====\n");
test_convolve_complex(20);
printf("==== TEST COMPLEX SSE3 IMPLEMENTATION: (h_len%%8=0) ====\n");
test_convolve_complex(16);
printf("\n");
printf("\n");
printf("==== TEST REAL BASE IMPLEMENTATION ====\n");
test_convolve_real(17);
printf("==== TEST REAL SSE3 IMPLEMENTATION (hlen=4) ====\n");
test_convolve_real(4);
printf("==== TEST REAL SSE3 IMPLEMENTATION (hlen=8) ====\n");
test_convolve_real(8);
printf("==== TEST REAL SSE3 IMPLEMENTATION (hlen=12) ====\n");
test_convolve_real(12);
printf("==== TEST REAL SSE3 IMPLEMENTATION (hlen=16) ====\n");
test_convolve_real(16);
printf("==== TEST REAL SSE3 IMPLEMENTATION (hlen=20) ====\n");
test_convolve_real(20);
printf("==== TEST REAL SSE3 IMPLEMENTATION (h_len%%4=0) ====\n");
test_convolve_real(24);
return 0;
}
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