libdspl-2.0/examples/src/dft_cmplx_test.c

34 wiersze
553 B
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "dspl.h"
#define N 16
int main()
{
void* handle; // DSPL handle
handle = dspl_load(); // Load DSPL function
complex_t y[N]; // DFT
complex_t x[N]; // complex input signal
int k;
for(k = 0; k < N; k++)
{
RE(x[k]) = (double)k;
IM(x[k]) = 0.0;
}
dft_cmplx(x,N,y);
for(k = 0; k < N; k++)
printf("y[%2d] = %9.3f%9.3f\n", k, RE(y[k]), IM(y[k]));
dspl_free(handle); // remember to free the resource
return 0;
}