kopia lustrzana https://github.com/Dsplib/libdspl-2.0
39 wiersze
829 B
C
39 wiersze
829 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 15
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#define M 5
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int main()
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{
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void* handle; /* DSPL handle */
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handle = dspl_load(); /* Load DSPL function */
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complex_t a[N], b[M], c[N+M-1], d[N+M-1];
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fft_t pfft;
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int n;
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linspace(0, 2*N, 2*N, DSPL_PERIODIC, (double*)a);
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linspace(0, 2*M, 2*M, DSPL_PERIODIC, (double*)b);
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memset(&pfft, 0, sizeof(fft_t));
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conv_fft_cmplx(a, N, b, M, &pfft, 8, c);
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conv_cmplx(a, N, b, M, d);
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/* print result */
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for(n = 0; n < N+M-1; n++)
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{
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printf("c[%3d] = %9.2f%+9.2fj ", n, RE(c[n]), IM(c[n]));
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printf("d[%3d] = %9.2f%+9.2fj \n", n, RE(d[n]), IM(d[n]));
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}
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fft_free(&pfft); /* free fft structure memory */
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dspl_free(handle); /* free dspl handle */
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return 0;
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}
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