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Fix MSVC build.

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This commit is contained in:
Victor Zverovich 2014-07-29 09:14:07 -07:00
parent d346a4120d
commit be785a8a43
1 changed files with 11 additions and 6 deletions
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17
format.cc
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@ -63,11 +63,16 @@ namespace {
#ifndef _MSC_VER
// Portable version of signbit.
// When compiled in C++11 mode signbit is no longer a macro but a function
// defined in namespace std and the macro is undefined.
#ifndef signbit
using std::signbit;
inline int getsign(double x) {
#ifdef signbit
return signbit(x);
#else
return std::signbit(x);
#endif
}
// Portable version of isinf.
inline int isinfinity(double x) {
@ -82,7 +87,7 @@ inline int isinfinity(double x) {
#else // _MSC_VER
inline int signbit(double value) {
inline int getsign(double value) {
if (value < 0) return 1;
if (value == value) return 0;
int dec = 0, sign = 0;
@ -210,7 +215,7 @@ inline Arg::StringValue<wchar_t> ignore_incompatible_str(
Arg::StringValue<wchar_t> s) { return s; }
} // namespace
int fmt::internal::signbit_noinline(double value) { return signbit(value); }
int fmt::internal::signbit_noinline(double value) { return getsign(value); }
void fmt::SystemError::init(
int error_code, StringRef format_str, const ArgList &args) {
@ -527,9 +532,9 @@ void fmt::BasicWriter<Char>::write_double(T value, const FormatSpec &spec) {
}
char sign = 0;
// Use signbit instead of value < 0 because the latter is always
// Use getsign instead of value < 0 because the latter is always
// false for NaN.
if (signbit(static_cast<double>(value))) {
if (getsign(static_cast<double>(value))) {
sign = '-';
value = -value;
} else if (spec.flag(SIGN_FLAG)) {