Sinwave array (*255)

singen.c

#include <stdio.h>
#include <math.h>
#include <string.h>


void dump(int target[]){
    printf("[360] {\n");
    for (int i = 0; i < 360; i++)
    {
        printf("%d",target[i]);
        if (i != 360)
        {
            printf(",\n");
        } 
    }
    printf ("}\n\n");
}

void main(int argc, char *argv[])
{
    char *p;
    int i;
    if (argc != 2)
    {
        printf("Usage\n\n-u -> Show results as human-readable\n-a -> Show results as C array\n\n");
        return;
    } else if (strcmp(argv[1], "-a")&& strcmp(argv[1], "-u"))
    {
        printf("ERROR:invalid option:%s.exiting.\n",argv[1]);
        return;
    }
    
    int trianglewave_HIGH[360];
    int trianglewave_LOW[360];
    int sinwave[360];
    float pi = 3.14;
    
    for (int angle = 0; angle < 360; angle++) {

        double angle_rad = angle * pi / 180;
        int sin_temp = sin(angle_rad) * 255.0;
        trianglewave_HIGH[angle] = acos(cos(angle_rad)) / pi * 255;
        trianglewave_LOW[angle] = acos(cos(angle_rad)) / pi * 255 - 255;
        sinwave[angle] = (int)sin_temp;

        if (!strcmp(argv[1], "-u"))
        {
            printf("\nsin_temp@angle:");
            printf("%d",sin_temp);

            printf("\nsinwave[angle]:");
            printf("%d",sinwave[angle]);
            printf("\ntrianglewave_HIGH[angle]:");
            printf("%d",trianglewave_HIGH[angle]);
            printf("\ntrianglewave_LOW[angle]:");
            printf("%d",trianglewave_LOW[angle]);
            printf("\n******************************\n");
        }

    }

    if (!strcmp(argv[1], "-a"))
    {
        printf("int sinwave");
        dump(sinwave);
        printf("int trianglewave_HIGH");
        dump(trianglewave_HIGH);
        printf("int trianglewave_LOW");
        dump(trianglewave_LOW);
        printf("\n//EOF\n");
    }
}