1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | #include <stdio.h>
#include <stdlib.h>
// This is a little better but an ENUM would be much better. (coming soon)
#define log_int(x) printf("%s == %d\n", #x, (x))
#define log_float(x) printf("%s == %.060f\n", #x, (x))
#define log_double(x) printf("%s == %.060lf\n", #x, (x))
#define log_str(x) printf("%s == \"%s\"\n", #x, (x))
typedef union {
int as_int;
float as_float;
} Number;
const int NUMBER_INT = 1;
const int NUMBER_FLOAT = 2;
void print_number(Number n, int number_type) { // yuk
//if (number_type == 1) { // *** do not use magic numbers ***
if (number_type == NUMBER_INT) {
printf("n: %d\n", n.as_int);
}
else {
printf("n: %.060f\n", n.as_float);
}
}
int main(int argc, char* argv[]) {
Number n1 = { .as_int = 8 };
Number n2 = { .as_float = 0.125 };
print_number(n1, NUMBER_INT);
print_number(n2, NUMBER_FLOAT);
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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