gtdf2vfp_test.c
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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_gtdf2vfp
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <math.h>
extern int __gtdf2vfp(double a, double b);
#if __arm__ && __VFP_FP__
int test__gtdf2vfp(double a, double b)
{
int actual = __gtdf2vfp(a, b);
int expected = (a > b) ? 1 : 0;
if (actual != expected)
printf("error in __gtdf2vfp(%f, %f) = %d, expected %d\n",
a, b, actual, expected);
return actual != expected;
}
#endif
int main()
{
#if __arm__ && __VFP_FP__
if (test__gtdf2vfp(0.0, 0.0))
return 1;
if (test__gtdf2vfp(1.0, 0.0))
return 1;
if (test__gtdf2vfp(-1.0, -2.0))
return 1;
if (test__gtdf2vfp(-2.0, -1.0))
return 1;
if (test__gtdf2vfp(HUGE_VALF, 1.0))
return 1;
if (test__gtdf2vfp(1.0, HUGE_VALF))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}