40 lines · c
1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_subdf3vfp3 4#include "int_lib.h"5#include <stdio.h>6#include <stdlib.h>7#include <math.h>8 9 10#if defined(__arm__) && defined(__ARM_FP) && (__ARM_FP & 0x8)11extern COMPILER_RT_ABI double __subdf3vfp(double a, double b);12 13int test__subdf3vfp(double a, double b)14{15 double actual = __subdf3vfp(a, b);16 double expected = a - b;17 if (actual != expected)18 printf("error in test__subdf3vfp(%f, %f) = %f, expected %f\n",19 a, b, actual, expected);20 return actual != expected;21}22#endif23 24int main()25{26#if defined(__arm__) && defined(__ARM_FP) && (__ARM_FP & 0x8)27 if (test__subdf3vfp(1.0, 1.0))28 return 1;29 if (test__subdf3vfp(1234.567, 765.4321))30 return 1;31 if (test__subdf3vfp(-123.0, -678.0))32 return 1;33 if (test__subdf3vfp(0.0, -0.0))34 return 1;35#else36 printf("skipped\n");37#endif38 return 0;39}40