kopia lustrzana https://github.com/Dsplib/libdspl-2.0
42 wiersze
664 B
C
42 wiersze
664 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "dspl.h"
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#define N 16
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int main()
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{
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void* handle;
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handle = dspl_load();
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complex_t x[N];
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complex_t y[N];
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complex_t z[N];
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for(int k = 0; k < N; k++)
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{
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RE(x[k]) = (double)k;
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IM(x[k]) = 0.0;
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}
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dft_cmplx(x,N,y);
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fft_t pfft;
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memset(&pfft, 0, sizeof(fft_t));
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//
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fft_create(&pfft,N);
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fft_cmplx(x, N, &pfft, z);
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for(int k = 0; k < N; k++)
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printf("y[%2d] = %9.3f%9.3f z[%2d] = %9.3f%9.3f \n", k, RE(y[k]), IM(y[k]), k, RE(z[k]), IM(z[k]));
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fft_destroy(&pfft);
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// remember to free the resource
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dspl_free(handle);
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return 0;
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}
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