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| author | Jonathan Wakely <jwakely@redhat.com> | 2019-05-03 20:25:05 +0100 |
|---|---|---|
| committer | Jonathan Wakely <redi@gcc.gnu.org> | 2019-05-03 20:25:05 +0100 |
| commit | e339291fc13d074bade3fd9ab3cbfacce5a21cbd (patch) | |
| tree | 2c50a2cca767aa1e4aa1d00ebdeff95742a12e7b | |
| parent | 56e5b093de436686effacab1f3211f8695be39a6 (diff) | |
| download | gcc-e339291fc13d074bade3fd9ab3cbfacce5a21cbd.zip gcc-e339291fc13d074bade3fd9ab3cbfacce5a21cbd.tar.gz gcc-e339291fc13d074bade3fd9ab3cbfacce5a21cbd.tar.bz2 | |
Fix new testcase to not require std::copysign
Use __builtin_copysign{,f,l} when std::copysign isn't available.
PR libstdc++/61761
* testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
std::copysign.
From-SVN: r270859
| -rw-r--r-- | libstdc++-v3/ChangeLog | 4 | ||||
| -rw-r--r-- | libstdc++-v3/testsuite/26_numerics/complex/proj.cc | 20 |
2 files changed, 22 insertions, 2 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index b139014..4039631 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,5 +1,9 @@ 2019-05-03 Jonathan Wakely <jwakely@redhat.com> + PR libstdc++/61761 + * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines + std::copysign. + PR libstdc++/52119 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer overflow warning with -Wpedantic -Wsystem-headers. diff --git a/libstdc++-v3/testsuite/26_numerics/complex/proj.cc b/libstdc++-v3/testsuite/26_numerics/complex/proj.cc index b70ca4c..caf12d2 100644 --- a/libstdc++-v3/testsuite/26_numerics/complex/proj.cc +++ b/libstdc++-v3/testsuite/26_numerics/complex/proj.cc @@ -21,6 +21,22 @@ #include <limits> #include <testsuite_hooks.h> +namespace test +{ +#ifdef _GLIBCXX_USE_C99_MATH_TR1 + using std::copysign; +#else + bool copysign(float x, float y) + { return __builtin_copysignf(x, y); } + + bool copysign(double x, double y) + { return __builtin_copysign(x, y); } + + bool copysign(long double x, long double y) + { return __builtin_copysignl(x, y); } +#endif +} + template<typename T> bool eq(const std::complex<T>& x, const std::complex<T>& y) { @@ -28,9 +44,9 @@ bool eq(const std::complex<T>& x, const std::complex<T>& y) bool nan_imags = std::isnan(x.imag()) && std::isnan(y.imag()); bool sign_reals - = std::copysign(T(1), x.real()) == std::copysign(T(1), y.real()); + = test::copysign(T(1), x.real()) == test::copysign(T(1), y.real()); bool sign_imags - = std::copysign(T(1), x.imag()) == std::copysign(T(1), y.imag()); + = test::copysign(T(1), x.imag()) == test::copysign(T(1), y.imag()); return ((x.real() == y.real() && sign_reals) || nan_reals) && ((x.imag() == y.imag() && sign_imags) || nan_imags); |