forked from OSchip/llvm-project
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
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//===--------------- divdf3_test.c - Test __divdf3 ------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file tests __divdf3 for the compiler_rt library.
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//
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//===----------------------------------------------------------------------===//
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#include "int_lib.h"
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#include <stdio.h>
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#include "fp_test.h"
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// Returns: a / b
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COMPILER_RT_ABI double __divdf3(double a, double b);
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int test__divdf3(double a, double b, uint64_t expected)
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{
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double x = __divdf3(a, b);
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int ret = compareResultD(x, expected);
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if (ret){
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printf("error in test__divdf3(%.20e, %.20e) = %.20e, "
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"expected %.20e\n", a, b, x,
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fromRep64(expected));
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}
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return ret;
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}
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int main()
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{
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// 1/3
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if (test__divdf3(1., 3., 0x3fd5555555555555ULL))
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return 1;
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// smallest normal result
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if (test__divdf3(4.450147717014403e-308, 2., 0x10000000000000ULL))
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return 1;
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return 0;
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}
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