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llvm-project/compiler-rt/test/Unit/powitf2_test.c

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Initial import of compiler-rt. - llvm-svn: 74292
2009-06-27 00:47:03 +08:00
//===-- powitf2_test.cpp - Test __powitf2 ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
license change llvm-svn: 119397
2010-11-17 06:13:33 +08:00
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
Initial import of compiler-rt. - llvm-svn: 74292
2009-06-27 00:47:03 +08:00
//
//===----------------------------------------------------------------------===//
//
// This file tests __powitf2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#if _ARCH_PPC
#include "int_lib.h"
#include <stdio.h>
#include <math.h>
// Returns: a ^ b
long double __powitf2(long double a, si_int b);
int test__powitf2(long double a, si_int b, long double expected)
{
long double x = __powitf2(a, b);
int correct = (x == expected) && (signbit(x) == signbit(expected));
if (!correct)
printf("error in __powitf2(%Lf, %d) = %Lf, expected %Lf\n",
a, b, x, expected);
return !correct;
}
#endif
int main()
{
#if _ARCH_PPC
if (test__powitf2(0, 0, 1))
return 1;
if (test__powitf2(1, 0, 1))
return 1;
if (test__powitf2(1.5, 0, 1))
return 1;
if (test__powitf2(2, 0, 1))
return 1;
if (test__powitf2(INFINITY, 0, 1))
return 1;
if (test__powitf2(-0., 0, 1))
return 1;
if (test__powitf2(-1, 0, 1))
return 1;
if (test__powitf2(-1.5, 0, 1))
return 1;
if (test__powitf2(-2, 0, 1))
return 1;
if (test__powitf2(-INFINITY, 0, 1))
return 1;
if (test__powitf2(0, 1, 0))
return 1;
if (test__powitf2(0, 2, 0))
return 1;
if (test__powitf2(0, 3, 0))
return 1;
if (test__powitf2(0, 4, 0))
return 1;
if (test__powitf2(0, 0x7FFFFFFE, 0))
return 1;
if (test__powitf2(0, 0x7FFFFFFF, 0))
return 1;
if (test__powitf2(-0., 1, -0.))
return 1;
if (test__powitf2(-0., 2, 0))
return 1;
if (test__powitf2(-0., 3, -0.))
return 1;
if (test__powitf2(-0., 4, 0))
return 1;
if (test__powitf2(-0., 0x7FFFFFFE, 0))
return 1;
if (test__powitf2(-0., 0x7FFFFFFF, -0.))
return 1;
if (test__powitf2(1, 1, 1))
return 1;
if (test__powitf2(1, 2, 1))
return 1;
if (test__powitf2(1, 3, 1))
return 1;
if (test__powitf2(1, 4, 1))
return 1;
if (test__powitf2(1, 0x7FFFFFFE, 1))
return 1;
if (test__powitf2(1, 0x7FFFFFFF, 1))
return 1;
if (test__powitf2(INFINITY, 1, INFINITY))
return 1;
if (test__powitf2(INFINITY, 2, INFINITY))
return 1;
if (test__powitf2(INFINITY, 3, INFINITY))
return 1;
if (test__powitf2(INFINITY, 4, INFINITY))
return 1;
if (test__powitf2(INFINITY, 0x7FFFFFFE, INFINITY))
return 1;
if (test__powitf2(INFINITY, 0x7FFFFFFF, INFINITY))
return 1;
if (test__powitf2(-INFINITY, 1, -INFINITY))
return 1;
if (test__powitf2(-INFINITY, 2, INFINITY))
return 1;
if (test__powitf2(-INFINITY, 3, -INFINITY))
return 1;
if (test__powitf2(-INFINITY, 4, INFINITY))
return 1;
if (test__powitf2(-INFINITY, 0x7FFFFFFE, INFINITY))
return 1;
if (test__powitf2(-INFINITY, 0x7FFFFFFF, -INFINITY))
return 1;
if (test__powitf2(0, -1, INFINITY))
return 1;
if (test__powitf2(0, -2, INFINITY))
return 1;
if (test__powitf2(0, -3, INFINITY))
return 1;
if (test__powitf2(0, -4, INFINITY))
return 1;
if (test__powitf2(0, 0x80000002, INFINITY))
return 1;
if (test__powitf2(0, 0x80000001, INFINITY))
return 1;
if (test__powitf2(0, 0x80000000, INFINITY))
return 1;
if (test__powitf2(-0., -1, -INFINITY))
return 1;
if (test__powitf2(-0., -2, INFINITY))
return 1;
if (test__powitf2(-0., -3, -INFINITY))
return 1;
if (test__powitf2(-0., -4, INFINITY))
return 1;
if (test__powitf2(-0., 0x80000002, INFINITY))
return 1;
if (test__powitf2(-0., 0x80000001, -INFINITY))
return 1;
if (test__powitf2(-0., 0x80000000, INFINITY))
return 1;
if (test__powitf2(1, -1, 1))
return 1;
if (test__powitf2(1, -2, 1))
return 1;
if (test__powitf2(1, -3, 1))
return 1;
if (test__powitf2(1, -4, 1))
return 1;
if (test__powitf2(1, 0x80000002, 1))
return 1;
if (test__powitf2(1, 0x80000001, 1))
return 1;
if (test__powitf2(1, 0x80000000, 1))
return 1;
if (test__powitf2(INFINITY, -1, 0))
return 1;
if (test__powitf2(INFINITY, -2, 0))
return 1;
if (test__powitf2(INFINITY, -3, 0))
return 1;
if (test__powitf2(INFINITY, -4, 0))
return 1;
if (test__powitf2(INFINITY, 0x80000002, 0))
return 1;
if (test__powitf2(INFINITY, 0x80000001, 0))
return 1;
if (test__powitf2(INFINITY, 0x80000000, 0))
return 1;
if (test__powitf2(-INFINITY, -1, -0.))
return 1;
if (test__powitf2(-INFINITY, -2, 0))
return 1;
if (test__powitf2(-INFINITY, -3, -0.))
return 1;
if (test__powitf2(-INFINITY, -4, 0))
return 1;
if (test__powitf2(-INFINITY, 0x80000002, 0))
return 1;
if (test__powitf2(-INFINITY, 0x80000001, -0.))
return 1;
if (test__powitf2(-INFINITY, 0x80000000, 0))
return 1;
if (test__powitf2(2, 10, 1024.))
return 1;
if (test__powitf2(-2, 10, 1024.))
return 1;
if (test__powitf2(2, -10, 1/1024.))
return 1;
if (test__powitf2(-2, -10, 1/1024.))
return 1;
if (test__powitf2(2, 19, 524288.))
return 1;
if (test__powitf2(-2, 19, -524288.))
return 1;
if (test__powitf2(2, -19, 1/524288.))
return 1;
if (test__powitf2(-2, -19, -1/524288.))
return 1;
if (test__powitf2(2, 31, 2147483648.))
return 1;
if (test__powitf2(-2, 31, -2147483648.))
return 1;
if (test__powitf2(2, -31, 1/2147483648.))
return 1;
if (test__powitf2(-2, -31, -1/2147483648.))
return 1;
If a test case is not compiled on a specific platform, print "skipped" to stdout. This helps identifying missing coverage on a given platform. llvm-svn: 132300
2011-05-30 05:43:29 +08:00
#else
printf("skipped\n");
Initial import of compiler-rt. - llvm-svn: 74292
2009-06-27 00:47:03 +08:00
#endif
return 0;
}