0e20cae1a5
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111762 91177308-0d34-0410-b5e6-96231b3b80d8
160 lines
4.3 KiB
C++
160 lines
4.3 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <complex>
|
|
|
|
// template<class T>
|
|
// complex<T>
|
|
// operator/(const complex<T>& lhs, const complex<T>& rhs);
|
|
|
|
#include <complex>
|
|
#include <cassert>
|
|
|
|
#include "../cases.h"
|
|
|
|
template <class T>
|
|
void
|
|
test(const std::complex<T>& lhs, const std::complex<T>& rhs, std::complex<T> x)
|
|
{
|
|
assert(lhs / rhs == x);
|
|
}
|
|
|
|
template <class T>
|
|
void
|
|
test()
|
|
{
|
|
std::complex<T> lhs(-4.0, 7.5);
|
|
std::complex<T> rhs(1.5, 2.5);
|
|
std::complex<T> x(1.5, 2.5);
|
|
test(lhs, rhs, x);
|
|
}
|
|
|
|
void test_edges()
|
|
{
|
|
const unsigned N = sizeof(x) / sizeof(x[0]);
|
|
for (unsigned i = 0; i < N; ++i)
|
|
{
|
|
for (unsigned j = 0; j < N; ++j)
|
|
{
|
|
std::complex<double> r = x[i] / x[j];
|
|
switch (classify(x[i]))
|
|
{
|
|
case zero:
|
|
switch (classify(x[j]))
|
|
{
|
|
case zero:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case non_zero:
|
|
assert(classify(r) == zero);
|
|
break;
|
|
case inf:
|
|
assert(classify(r) == zero);
|
|
break;
|
|
case NaN:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case non_zero_nan:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
}
|
|
break;
|
|
case non_zero:
|
|
switch (classify(x[j]))
|
|
{
|
|
case zero:
|
|
assert(classify(r) == inf);
|
|
break;
|
|
case non_zero:
|
|
assert(classify(r) == non_zero);
|
|
break;
|
|
case inf:
|
|
assert(classify(r) == zero);
|
|
break;
|
|
case NaN:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case non_zero_nan:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
}
|
|
break;
|
|
case inf:
|
|
switch (classify(x[j]))
|
|
{
|
|
case zero:
|
|
assert(classify(r) == inf);
|
|
break;
|
|
case non_zero:
|
|
assert(classify(r) == inf);
|
|
break;
|
|
case inf:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case NaN:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case non_zero_nan:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
}
|
|
break;
|
|
case NaN:
|
|
switch (classify(x[j]))
|
|
{
|
|
case zero:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case non_zero:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case inf:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case NaN:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case non_zero_nan:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
}
|
|
break;
|
|
case non_zero_nan:
|
|
switch (classify(x[j]))
|
|
{
|
|
case zero:
|
|
assert(classify(r) == inf);
|
|
break;
|
|
case non_zero:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case inf:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case NaN:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
case non_zero_nan:
|
|
assert(classify(r) == NaN);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test<float>();
|
|
test<double>();
|
|
test<long double>();
|
|
test_edges();
|
|
}
|