derek.holloway
7502bf64a4
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48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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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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// test ratio: The static data members num and den shall have the common
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// divisor of the absolute values of N and D:
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#include <ratio>
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#include "test_macros.h"
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template <long long N, long long D, long long eN, long long eD>
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void test()
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{
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static_assert((std::ratio<N, D>::num == eN), "");
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static_assert((std::ratio<N, D>::den == eD), "");
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}
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int main(int, char**)
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{
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test<1, 1, 1, 1>();
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test<1, 10, 1, 10>();
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test<10, 10, 1, 1>();
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test<10, 1, 10, 1>();
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test<12, 4, 3, 1>();
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test<12, -4, -3, 1>();
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test<-12, 4, -3, 1>();
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test<-12, -4, 3, 1>();
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test<4, 12, 1, 3>();
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test<4, -12, -1, 3>();
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test<-4, 12, -1, 3>();
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test<-4, -12, 1, 3>();
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test<222, 333, 2, 3>();
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test<222, -333, -2, 3>();
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test<-222, 333, -2, 3>();
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test<-222, -333, 2, 3>();
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test<0x7FFFFFFFFFFFFFFFLL, 127, 72624976668147841LL, 1>();
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test<-0x7FFFFFFFFFFFFFFFLL, 127, -72624976668147841LL, 1>();
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test<0x7FFFFFFFFFFFFFFFLL, -127, -72624976668147841LL, 1>();
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test<-0x7FFFFFFFFFFFFFFFLL, -127, 72624976668147841LL, 1>();
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return 0;
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}
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