fft_test.c

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#include "fft.h"

int main(){
        TYPE a_x[512];
        TYPE a_y[512];
        int i;
        float max, min;
        max = 2147483646.0;
        min = -2147483646.0;

        for( i = 0; i < 512; i++){
                a_x[i] = (TYPE)(i);//(TYPE)(((double) rand() / (RAND_MAX)) * (max-min) + min);//i;
                a_y[i] = (TYPE)(i);//(((double) rand() / (RAND_MAX)) * (max-min) + min);//i;
        }

    printf("ORIG!\n");
        for( i = 0; i < 512; i++){
            printf("x = %f y = %f \n", a_x[i], a_y[i]);
        }

        fft1D_512(a_x, a_y);

    printf("OUTPUT\n");
        for( i = 0; i < 512; i++){
            printf("x = %f y = %f \n", a_x[i], a_y[i]);
        }
    
        fft1D_512(a_x, a_y);

    printf("NORMAL\n");
        for( i = 0; i < 512; i++){
            printf("x = %f y = %f \n", a_x[i]/512, a_y[i]/512);
        }

        return 0;
}