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-rw-r--r--test/std/numerics/complex.number/cmplx.over/pow.pass.cpp104
1 files changed, 104 insertions, 0 deletions
diff --git a/test/std/numerics/complex.number/cmplx.over/pow.pass.cpp b/test/std/numerics/complex.number/cmplx.over/pow.pass.cpp
new file mode 100644
index 0000000000000..3b1e9b34b35cd
--- /dev/null
+++ b/test/std/numerics/complex.number/cmplx.over/pow.pass.cpp
@@ -0,0 +1,104 @@
+//===----------------------------------------------------------------------===//
+//
+// 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.
+//
+//===----------------------------------------------------------------------===//
+
+// <complex>
+
+// template<Arithmetic T, Arithmetic U>
+// complex<promote<T, U>::type>
+// pow(const T& x, const complex<U>& y);
+
+// template<Arithmetic T, Arithmetic U>
+// complex<promote<T, U>::type>
+// pow(const complex<T>& x, const U& y);
+
+// template<Arithmetic T, Arithmetic U>
+// complex<promote<T, U>::type>
+// pow(const complex<T>& x, const complex<U>& y);
+
+#include <complex>
+#include <type_traits>
+#include <cassert>
+
+#include "../cases.h"
+
+template <class T>
+double
+promote(T, typename std::enable_if<std::is_integral<T>::value>::type* = 0);
+
+float promote(float);
+double promote(double);
+long double promote(long double);
+
+template <class T, class U>
+void
+test(T x, const std::complex<U>& y)
+{
+ typedef decltype(promote(x)+promote(real(y))) V;
+ static_assert((std::is_same<decltype(std::pow(x, y)), std::complex<V> >::value), "");
+ assert(std::pow(x, y) == pow(std::complex<V>(x, 0), std::complex<V>(y)));
+}
+
+template <class T, class U>
+void
+test(const std::complex<T>& x, U y)
+{
+ typedef decltype(promote(real(x))+promote(y)) V;
+ static_assert((std::is_same<decltype(std::pow(x, y)), std::complex<V> >::value), "");
+ assert(std::pow(x, y) == pow(std::complex<V>(x), std::complex<V>(y, 0)));
+}
+
+template <class T, class U>
+void
+test(const std::complex<T>& x, const std::complex<U>& y)
+{
+ typedef decltype(promote(real(x))+promote(real(y))) V;
+ static_assert((std::is_same<decltype(std::pow(x, y)), std::complex<V> >::value), "");
+ assert(std::pow(x, y) == pow(std::complex<V>(x), std::complex<V>(y)));
+}
+
+template <class T, class U>
+void
+test(typename std::enable_if<std::is_integral<T>::value>::type* = 0, typename std::enable_if<!std::is_integral<U>::value>::type* = 0)
+{
+ test(T(3), std::complex<U>(4, 5));
+ test(std::complex<U>(3, 4), T(5));
+}
+
+template <class T, class U>
+void
+test(typename std::enable_if<!std::is_integral<T>::value>::type* = 0, typename std::enable_if<!std::is_integral<U>::value>::type* = 0)
+{
+ test(T(3), std::complex<U>(4, 5));
+ test(std::complex<T>(3, 4), U(5));
+ test(std::complex<T>(3, 4), std::complex<U>(5, 6));
+}
+
+int main()
+{
+ test<int, float>();
+ test<int, double>();
+ test<int, long double>();
+
+ test<unsigned, float>();
+ test<unsigned, double>();
+ test<unsigned, long double>();
+
+ test<long long, float>();
+ test<long long, double>();
+ test<long long, long double>();
+
+ test<float, double>();
+ test<float, long double>();
+
+ test<double, float>();
+ test<double, long double>();
+
+ test<long double, float>();
+ test<long double, double>();
+}