I've just now installed tcc version 0.9.23 and am hoping to use it as a tool while teaching somebody C.
In the program below, I would expect the two printf calls in main to generate the same output, but they do not. I would also expect test1 and test2 to produce the same output and they do not.
Have I misunderstood something about printf with "%lf"? Can anybody explain why test1 and test2 produce different results?
I'm using -Wall -Werror, in case that helps, and using the Windows binary port.
#include <stdio.h>
static void test1(n)
unsigned char n;
{
printf("n is %u. n is < 2? %u\n", n, n < 2);
}
static void test2(unsigned char n)
{
printf("n is %u. n is < 2? %u\n", n, n < 2);
}
int main(int argc, char **argv)
{
double d = 3.14;
long double ld = 3.14;
printf("%f\n", d);
printf("%lf\n", ld);
test1(257);
test2(257);
return 0;
}
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