Numerical utilities. More...

Static Public Member Functions
static double	BeNextafter (double x, double y)

static int	BeIsnan (double v)

static int	BeFinite (double v)

static UInt32	ResetFloatingPointExceptions (UInt32 newFpuMask)
	A platform-specific function that clears any pending floating point exceptions. More...

static double	NextafterDelta (double sv)
	Get the smallest value that, when added to fabs(sv), yields a number that is not equal to fabs(sv). More...

static double	ComputeComparisonTolerance (double sv1, double sv2)
	Compute the tolerance that should be used to check if these two numbers are not equal. More...

static int	Compare (double sv1, double sv2)
	Compare two values to the closest tolerance possible. More...

Detailed Description

Numerical utilities.

Member Function Documentation

static int BeFinite ( double v )

static

static int BeIsnan ( double v )

static

static

static

Compare two values to the closest tolerance possible.

Parameters

[in]	sv1	a value
[in]	sv2	another value

Returns: 0 if equal within the closest possible tolerance, -1 if sv1 is less than sv2, and 1 if sv1 is greater than sv2

static double ComputeComparisonTolerance	(	double	sv1,
		double	sv2
	)

static

Compute the tolerance that should be used to check if these two numbers are not equal.

Remarks: Do not use the difference between the numbers as a basis for computing the comparison tolerance!

Parameters

[in]	sv1	a value
[in]	sv2	another value

static double NextafterDelta ( double sv )

static

Get the smallest value that, when added to fabs(sv), yields a number that is not equal to fabs(sv).

This can be used to compute a comparison tolerance between numbers that are about as large as sv.

static UInt32 ResetFloatingPointExceptions ( UInt32 newFpuMask )

static

A platform-specific function that clears any pending floating point exceptions.

The documentation for this struct was generated from the following file: