1 //===-- subdf3vfp_test.c - Test __subdf3vfp -------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file tests __subdf3vfp for the compiler_rt library. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include <stdio.h> 15 #include <stdlib.h> 16 #include <math.h> 17 18 19 #if __arm__ 20 extern COMPILER_RT_ABI double __subdf3vfp(double a, double b); 21 22 int test__subdf3vfp(double a, double b) 23 { 24 double actual = __subdf3vfp(a, b); 25 double expected = a - b; 26 if (actual != expected) 27 printf("error in test__subdf3vfp(%f, %f) = %f, expected %f\n", 28 a, b, actual, expected); 29 return actual != expected; 30 } 31 #endif 32 33 int main() 34 { 35 #if __arm__ 36 if (test__subdf3vfp(1.0, 1.0)) 37 return 1; 38 if (test__subdf3vfp(1234.567, 765.4321)) 39 return 1; 40 if (test__subdf3vfp(-123.0, -678.0)) 41 return 1; 42 if (test__subdf3vfp(0.0, -0.0)) 43 return 1; 44 #else 45 printf("skipped\n"); 46 #endif 47 return 0; 48 } 49
