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Build fix for old systems that don't have a float remainder(...) function.

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This commit is contained in:
Christoph M. Wintersteiger 2016-04-28 12:52:36 +01:00
parent 10cc8c3a75
commit cba82325de
2 changed files with 7 additions and 3 deletions
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6
src/util/hwf.cpp
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@ -383,10 +383,10 @@ void hwf_manager::round_to_integral(mpf_rounding_mode rm, hwf const & x, hwf & o
} }
void hwf_manager::rem(hwf const & x, hwf const & y, hwf & o) { void hwf_manager::rem(hwf const & x, hwf const & y, hwf & o) {
#if defined(_WINDOWS) && _MSC_VER < 1800 #if defined(_WINDOWS) && _MSC_VER < 1700
o.value = fmod(x.value, y.value); o.value = fmod(x.value, y.value);
if (o.value >= (y.value/2)) if (o.value >= (y.value/2.0))
o.value /= 2.0; o.value -= y.value;
#else #else
o.value = remainder(x.value, y.value); o.value = remainder(x.value, y.value);
#endif #endif

4
src/util/mpf.cpp
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@ -1412,7 +1412,11 @@ std::string mpf_manager::to_string_hexfloat(mpf const & x) {
std::ios::fmtflags ff = ss.setf(std::ios_base::hex | std::ios_base::uppercase | std::ios::fmtflags ff = ss.setf(std::ios_base::hex | std::ios_base::uppercase |
std::ios_base::showpoint | std::ios_base::showpos); std::ios_base::showpoint | std::ios_base::showpos);
ss.precision(13); ss.precision(13);
#if defined(_WIN32) && _MSC_VER >= 1800
ss << std::hexfloat << to_double(x); ss << std::hexfloat << to_double(x);
#else
ss << std::hex << (*reinterpret_cast<const unsigned long long *>(&(x)));
#endif
return ss.str(); return ss.str();
} }