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Fix unreachable code warning when signbit returns bool

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peterbell10 2018-01-20 20:15:30 +00:00 committed by Victor Zverovich
parent 1760c31b52
commit f78c3e41be
1 changed files with 3 additions and 6 deletions
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9
fmt/format.h
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@ -456,8 +456,7 @@ class numeric_limits<fmt::internal::DummyInt> :
using namespace fmt::internal;
// The resolution "priority" is:
// isinf macro > std::isinf > ::isinf > fmt::internal::isinf
if (const_check(sizeof(isinf(x)) == sizeof(bool) ||
sizeof(isinf(x)) == sizeof(int))) {
if (const_check(sizeof(isinf(x)) != sizeof(fmt::internal::DummyInt))) {
return isinf(x) != 0;
}
return !_finite(static_cast<double>(x));
@ -467,8 +466,7 @@ class numeric_limits<fmt::internal::DummyInt> :
template <typename T>
static bool isnotanumber(T x) {
using namespace fmt::internal;
if (const_check(sizeof(isnan(x)) == sizeof(bool) ||
sizeof(isnan(x)) == sizeof(int))) {
if (const_check(sizeof(isnan(x)) != sizeof(fmt::internal::DummyInt))) {
return isnan(x) != 0;
}
return _isnan(static_cast<double>(x)) != 0;
@ -477,8 +475,7 @@ class numeric_limits<fmt::internal::DummyInt> :
// Portable version of signbit.
static bool isnegative(double x) {
using namespace fmt::internal;
if (const_check(sizeof(signbit(x)) == sizeof(bool) ||
sizeof(signbit(x)) == sizeof(int))) {
if (const_check(sizeof(signbit(x)) != sizeof(fmt::internal::DummyInt))) {
return signbit(x) != 0;
}
if (x < 0) return true;