win32-math.h File Reference

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Enumerations
enum	{   FP_NAN , FP_INFINITE , FP_ZERO , FP_SUBNORMAL ,   FP_NORMAL }

Functions
int	std::isfinite (double x)
int	std::isinf (double x)
int	std::isnan (double x)
int	std::isless (double x, double y)
int	std::isgreater (double x, double y)
int	std::fpclassify (double x)
int	std::signbit (double x)

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
FP_NAN
FP_INFINITE
FP_ZERO
FP_SUBNORMAL
FP_NORMAL

Definition at line 19 of file win32-math.h.

     {
  FP_NAN,
  FP_INFINITE,
  FP_ZERO,
  FP_SUBNORMAL,
  FP_NORMAL
};

Function Documentation

fpclassify()

int std::fpclassify

(

double

x

)

References std::fpclassify(), and std::signbit().

Referenced by std::fpclassify().

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isfinite()

int std::isfinite

(

double

x

)

References std::isfinite().

Referenced by std::isfinite().

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isgreater()

int std::isgreater	(	double	x,
		double	y
	)

References std::isgreater().

Referenced by std::isgreater().

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isinf()

int std::isinf

(

double

x

)

References std::isinf().

Referenced by std::isinf().

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isless()

int std::isless	(	double	x,
		double	y
	)

References std::isless().

Referenced by std::isless().

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isnan()

int std::isnan

(

double

x

)

References std::isnan().

Referenced by std::isnan().

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signbit()

int std::signbit

(

double

x

)

Definition at line 40 of file platform-solaris.cc.

                      {
  // We need to take care of the special case of both positive and negative
  // versions of zero.
  if (x == 0) {
    return fpclass(x) & FP_NZERO;
  } else {
    // This won't detect negative NaN but that should be okay since we don't
    // assume that behavior.
    return x < 0;
  }
}

References std::signbit().

Referenced by std::fpclassify(), and std::signbit().

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