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Build adjustments of C++11

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This commit is contained in:
caheckman 2021-01-19 12:03:12 -05:00
parent 41c453c545
commit a26cc9e6e3
3 changed files with 7 additions and 32 deletions
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32
Ghidra/Features/Decompiler/src/decompile/cpp/float.cc
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@ -19,32 +19,6 @@
#include <cmath>
#include "address.hh"
#if defined(_WINDOWS) && !defined(INFINITY)
// Some definitions for Windows floating point stuff
#include <cfloat>
inline int4 signbit(double x) {
return (((_fpclass(x)& (_FPCLASS_NINF | _FPCLASS_NN
| _FPCLASS_ND | _FPCLASS_NZ))!=0) ? 1 : 0);
}
inline int4 isnan(double x) {
return (((_fpclass(x)& (_FPCLASS_SNAN | _FPCLASS_QNAN))!=0) ? 1 : 0);
}
inline int4 isinf(double x) {
int4 classify = _fpclass(x);
if (classify == _FPCLASS_NINF) return -1;
if (classify == _FPCLASS_PINF) return 1;
return 0;
}
#define INFINITY HUGE_VAL
#define NAN (INFINITY/INFINITY)
#endif
/// Set format for a given encoding size according to IEEE 754 standards
/// \param sz is the size of the encoding in bytes
FloatFormat::FloatFormat(int4 sz)
@ -105,10 +79,10 @@ FloatFormat::floatclass FloatFormat::extractExpSig(double x,bool *sgn,uintb *sig
{
int4 e;
*sgn = (signbit(x) != 0);
*sgn = std::signbit(x);
if (x == 0.0) return zero;
if (isinf(x)!=0) return infinity;
if (isnan(x)!=0) return nan;
if (std::isinf(x)) return infinity;
if (std::isnan(x)) return nan;
if (*sgn)
x = -x;
double norm = frexp(x,&e); // norm is between 1/2 and 1