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Diffstat (limited to 'test/Unit/subdf3vfp_test.c')
-rw-r--r-- | test/Unit/subdf3vfp_test.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/Unit/subdf3vfp_test.c b/test/Unit/subdf3vfp_test.c new file mode 100644 index 00000000..ee5a4920 --- /dev/null +++ b/test/Unit/subdf3vfp_test.c @@ -0,0 +1,46 @@ +//===-- subdf3vfp_test.c - Test __subdf3vfp -------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __subdf3vfp for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include <stdio.h> +#include <stdlib.h> +#include <math.h> + + +#if __arm__ +extern double __subdf3vfp(double a, double b); + +int test__subdf3vfp(double a, double b) +{ + double actual = __subdf3vfp(a, b); + double expected = a - b; + if (actual != expected) + printf("error in test__subdf3vfp(%f, %f) = %f, expected %f\n", + a, b, actual, expected); + return actual != expected; +} +#endif + +int main() +{ +#if __arm__ + if (test__subdf3vfp(1.0, 1.0)) + return 1; + if (test__subdf3vfp(1234.567, 765.4321)) + return 1; + if (test__subdf3vfp(-123.0, -678.0)) + return 1; + if (test__subdf3vfp(0.0, -0.0)) + return 1; +#endif + return 0; +} |