kopia lustrzana https://github.com/Dsplib/libdspl-2.0
57 wiersze
1.5 KiB
C
57 wiersze
1.5 KiB
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 1000
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int main(int argc, char* argv[])
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{
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void* hdspl; /* DSPL handle */
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void* hplot; /* GNUPLOT handles */
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random_t rnd = {0}; /* random structure */
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hdspl = dspl_load(); /* Load DSPL function */
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int x[N];
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int err;
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err = random_init(&rnd, RAND_TYPE_MRG32K3A, NULL);
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if(err != RES_OK)
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goto exit_label;
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err = randi(x, N, -4, 3, &rnd);
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if(err != RES_OK)
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goto exit_label;
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/* Save to file */
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err = writetxt_int(x, NULL, N, "dat/randi_mrg32k3a.txt");
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if(err != RES_OK)
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goto exit_label;
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/**************************************************************************/
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/* plotting by GNUPLOT */
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/**************************************************************************/
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/* Create window plot */
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err = gnuplot_create(argc, argv, 820, 320, "img/randi_test.png", &hplot);
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if(err != RES_OK)
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goto exit_label;
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gnuplot_cmd(hplot, "set xlabel 'n'");
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gnuplot_cmd(hplot, "set ylabel 'x(n)'");
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gnuplot_cmd(hplot, "unset key");
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gnuplot_cmd(hplot, "set yrange[-5:4]");
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gnuplot_cmd(hplot, "set title 'randi example'");
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gnuplot_cmd(hplot, "plot 'dat/randi_mrg32k3a.txt' with impulses");
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exit_label:
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printf("Error code = 0x%.8x\n", err);
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if(hplot)
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gnuplot_close(hplot);
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/* free dspl handle */
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dspl_free(hdspl);
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return 0;
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}
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