/*
 * simple hacked-up program to show (in hexadecimal) the bit representation
 * of a floating-point number.
 * 
 * bytes are printed in memory order, which for little-endian architectures
 * is least-significant first.
 */
#include <stdio.h>
#include <stdlib.h>

#include "show-bytes.c"

int main(int argc, char *argv[]) {
    if (argc < 2) {
        fprintf(stderr, "usage %s number\n", argv[0]);
        return EXIT_FAILURE;
    }
    char * endptr;
    double d = strtod(argv[1], &endptr);
    if (*endptr != '\0') {
        fprintf(stderr, "not numeric\n");
        return EXIT_FAILURE;
    }
    float f = d;
    fprintf(stdout, "input value %g\n", d);
    fprintf(stdout, "as double:  ");
    show_bytes(stdout, &d, sizeof d);
    fprintf(stdout, "\n");
    fprintf(stdout, "as float:  ");
    show_bytes(stdout, &f, sizeof f);
    fprintf(stdout, "\n");
    return EXIT_SUCCESS;
}