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-rw-r--r--test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp145
1 files changed, 0 insertions, 145 deletions
diff --git a/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp b/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp
deleted file mode 100644
index 517a62a0068fa..0000000000000
--- a/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp
+++ /dev/null
@@ -1,145 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// UNSUPPORTED: c++98, c++03, c++11, c++14
-
-// <numeric>
-
-// template<class _M, class _N>
-// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
-
-#include <numeric>
-#include <cassert>
-#include <climits>
-#include <cstdint>
-#include <cstdlib> // for rand()
-#include <type_traits>
-
-constexpr struct {
- int x;
- int y;
- int expect;
-} Cases[] = {
- {0, 0, 0},
- {1, 0, 1},
- {0, 1, 1},
- {1, 1, 1},
- {2, 3, 1},
- {2, 4, 2},
- {36, 17, 1},
- {36, 18, 18}
-};
-
-
-template <typename Input1, typename Input2, typename Output>
-constexpr bool test0(int in1, int in2, int out)
-{
- auto value1 = static_cast<Input1>(in1);
- auto value2 = static_cast<Input2>(in2);
- static_assert(std::is_same_v<Output, decltype(std::gcd(value1, value2))>, "");
- static_assert(std::is_same_v<Output, decltype(std::gcd(value2, value1))>, "");
- assert(static_cast<Output>(out) == std::gcd(value1, value2));
- return true;
-}
-
-
-template <typename Input1, typename Input2 = Input1>
-constexpr bool do_test(int = 0)
-{
- using S1 = std::make_signed_t<Input1>;
- using S2 = std::make_signed_t<Input2>;
- using U1 = std::make_unsigned_t<Input1>;
- using U2 = std::make_unsigned_t<Input2>;
- bool accumulate = true;
- for (auto TC : Cases) {
- { // Test with two signed types
- using Output = std::common_type_t<S1, S2>;
- accumulate &= test0<S1, S2, Output>(TC.x, TC.y, TC.expect);
- accumulate &= test0<S1, S2, Output>(-TC.x, TC.y, TC.expect);
- accumulate &= test0<S1, S2, Output>(TC.x, -TC.y, TC.expect);
- accumulate &= test0<S1, S2, Output>(-TC.x, -TC.y, TC.expect);
- accumulate &= test0<S2, S1, Output>(TC.x, TC.y, TC.expect);
- accumulate &= test0<S2, S1, Output>(-TC.x, TC.y, TC.expect);
- accumulate &= test0<S2, S1, Output>(TC.x, -TC.y, TC.expect);
- accumulate &= test0<S2, S1, Output>(-TC.x, -TC.y, TC.expect);
- }
- { // test with two unsigned types
- using Output = std::common_type_t<U1, U2>;
- accumulate &= test0<U1, U2, Output>(TC.x, TC.y, TC.expect);
- accumulate &= test0<U2, U1, Output>(TC.x, TC.y, TC.expect);
- }
- { // Test with mixed signs
- using Output = std::common_type_t<S1, U2>;
- accumulate &= test0<S1, U2, Output>(TC.x, TC.y, TC.expect);
- accumulate &= test0<U2, S1, Output>(TC.x, TC.y, TC.expect);
- accumulate &= test0<S1, U2, Output>(-TC.x, TC.y, TC.expect);
- accumulate &= test0<U2, S1, Output>(TC.x, -TC.y, TC.expect);
- }
- { // Test with mixed signs
- using Output = std::common_type_t<S2, U1>;
- accumulate &= test0<S2, U1, Output>(TC.x, TC.y, TC.expect);
- accumulate &= test0<U1, S2, Output>(TC.x, TC.y, TC.expect);
- accumulate &= test0<S2, U1, Output>(-TC.x, TC.y, TC.expect);
- accumulate &= test0<U1, S2, Output>(TC.x, -TC.y, TC.expect);
- }
- }
- return accumulate;
-}
-
-int main()
-{
- auto non_cce = std::rand(); // a value that can't possibly be constexpr
-
- static_assert(do_test<signed char>(), "");
- static_assert(do_test<short>(), "");
- static_assert(do_test<int>(), "");
- static_assert(do_test<long>(), "");
- static_assert(do_test<long long>(), "");
-
- assert(do_test<signed char>(non_cce));
- assert(do_test<short>(non_cce));
- assert(do_test<int>(non_cce));
- assert(do_test<long>(non_cce));
- assert(do_test<long long>(non_cce));
-
- static_assert(do_test<std::int8_t>(), "");
- static_assert(do_test<std::int16_t>(), "");
- static_assert(do_test<std::int32_t>(), "");
- static_assert(do_test<std::int64_t>(), "");
-
- assert(do_test<std::int8_t>(non_cce));
- assert(do_test<std::int16_t>(non_cce));
- assert(do_test<std::int32_t>(non_cce));
- assert(do_test<std::int64_t>(non_cce));
-
- static_assert(do_test<signed char, int>(), "");
- static_assert(do_test<int, signed char>(), "");
- static_assert(do_test<short, int>(), "");
- static_assert(do_test<int, short>(), "");
- static_assert(do_test<int, long>(), "");
- static_assert(do_test<long, int>(), "");
- static_assert(do_test<int, long long>(), "");
- static_assert(do_test<long long, int>(), "");
-
- assert((do_test<signed char, int>(non_cce)));
- assert((do_test<int, signed char>(non_cce)));
- assert((do_test<short, int>(non_cce)));
- assert((do_test<int, short>(non_cce)));
- assert((do_test<int, long>(non_cce)));
- assert((do_test<long, int>(non_cce)));
- assert((do_test<int, long long>(non_cce)));
- assert((do_test<long long, int>(non_cce)));
-
-// LWG#2837
- {
- auto res = std::gcd(static_cast<std::int64_t>(1234), INT32_MIN);
- static_assert(std::is_same_v<decltype(res), std::int64_t>, "");
- assert(res == 2);
- }
-}