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BaMath Class Reference

Container for a variety of useful mathematics functions. More...

#include <freecloth/base/baMath.h>

List of all members.

Static Public Member Functions

Float ceil (Float)

Float floor (Float)

Float round (Float)

Int8 roundTruncInt8 (Float)

This will cap values to the range [-128,127].

UInt8 roundTruncUInt8 (Float)

This will cap values to the range [0,255].

Int16 roundTruncInt16 (Float)

This will cap values to the range [-32768,32767].

UInt16 roundTruncUInt16 (Float)

This will cap values to the range [0,65535].

Float abs (Float)

bool isInteger (Float)

Returns true if input is an integer (or within tolerance).

bool isPow2 (UInt32)

Returns true if input is a power of two.

UInt32 roundUpPow2 (UInt32)

Rounds input up to nearest power of two.

Float sqr (Float)

Float sqrt (Float)

Float cos (Float)

Float sin (Float)

Float tan (Float)

Float arccos (Float)

Float arcsin (Float)

Float arctan (Float)

Float arctan2 (Float y, Float x)

Float sinc (Float)

Float exp (Float)

Float log (Float)

UInt32 randomUInt32 ()

UInt32 randomUInt32 (UInt32 nbVals)

Float randomFloat ()

Int8 ceilInt8 (Float)

Int8 floorInt8 (Float)

Int8 roundInt8 (Float)

UInt8 ceilUInt8 (Float)

UInt8 floorUInt8 (Float)

UInt8 roundUInt8 (Float)

Int16 ceilInt16 (Float)

Int16 floorInt16 (Float)

Int16 roundInt16 (Float)

UInt16 ceilUInt16 (Float)

UInt16 floorUInt16 (Float)

UInt16 roundUInt16 (Float)

Int32 ceilInt32 (Float)

Int32 floorInt32 (Float)

Int32 roundInt32 (Float)

UInt32 ceilUInt32 (Float)

UInt32 floorUInt32 (Float)

UInt32 roundUInt32 (Float)

bool isEqual (Float a, Float b, Float tol=TOLERANCE)

bool isGreater (Float a, Float b, Float tol=TOLERANCE)

bool isLess (Float a, Float b, Float tol=TOLERANCE)

Static Public Attributes

const Float TOLERANCE = 10e-4f

Detailed Description

Container for a variety of useful mathematics functions.

This class is intended to provide clean platform-independent access to standard routines. It also groups a number of useful new routines, such as floating-point comparisons using tolerances.

Definition at line 50 of file baMath.h.

Member Function Documentation

Int16 BaMath::ceilInt16 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 74 of file baMath.cpp.

Int32 BaMath::ceilInt32 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 116 of file baMath.cpp.

Int8 BaMath::ceilInt8 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 32 of file baMath.cpp.

UInt16 BaMath::ceilUInt16 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 95 of file baMath.cpp.

UInt32 BaMath::ceilUInt32 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 137 of file baMath.cpp.

UInt8 BaMath::ceilUInt8 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 53 of file baMath.cpp.

Int16 BaMath::floorInt16 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 81 of file baMath.cpp.

Int32 BaMath::floorInt32 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 123 of file baMath.cpp.

Int8 BaMath::floorInt8 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 39 of file baMath.cpp.

UInt16 BaMath::floorUInt16 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 102 of file baMath.cpp.

UInt32 BaMath::floorUInt32 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 144 of file baMath.cpp.

UInt8 BaMath::floorUInt8 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 60 of file baMath.cpp.

bool BaMath::isEqual ( Float a,

Float b,

Float tol = TOLERANCE

) [static]

Values a and b are considered equal if they differ by less than the tolerance.
Definition at line 270 of file baMath.cpp.
Referenced by SimSimulator::setPosConstraintLine().

bool BaMath::isGreater ( Float a,

Float b,

Float tol = TOLERANCE

) [static]

Values a and b are considered equal if they differ by less than the tolerance.
Definition at line 277 of file baMath.cpp.

bool BaMath::isLess ( Float a,

Float b,

Float tol = TOLERANCE

) [static]

Values a and b are considered equal if they differ by less than the tolerance.
Definition at line 284 of file baMath.cpp.

Float BaMath::randomFloat ( ) [static]

Returns a value between 0 and 1, in a pseudo-random uniform distribution.
Definition at line 263 of file baMath.cpp.

UInt32 BaMath::randomUInt32 ( UInt32 nbVals ) [static]

Returns a 32-bit value in the range [0,nbVals) using a pseudo-random uniform distribution.
Definition at line 256 of file baMath.cpp.
References randomUInt32().

UInt32 BaMath::randomUInt32 ( ) [static]

Returns a 32-bit value containing random bits, according to a a pseudo-random uniform distribution.
Definition at line 242 of file baMath.cpp.
Referenced by randomUInt32().

Int16 BaMath::roundInt16 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 88 of file baMath.cpp.

Int32 BaMath::roundInt32 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 130 of file baMath.cpp.

Int8 BaMath::roundInt8 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 46 of file baMath.cpp.

UInt16 BaMath::roundUInt16 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 109 of file baMath.cpp.

UInt32 BaMath::roundUInt32 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 151 of file baMath.cpp.

UInt8 BaMath::roundUInt8 ( Float ) [static]

Note that no truncation is performed. If the value is out of range, it will be wrapped around.
Definition at line 67 of file baMath.cpp.

The documentation for this class was generated from the following files:

Generated on Wed Apr 23 15:58:52 2003 for Freecloth by

1.3-rc3


Static Public Member Functions
Float	ceil (Float)
Float	floor (Float)
Float	round (Float)
Int8	roundTruncInt8 (Float)
	This will cap values to the range [-128,127].
UInt8	roundTruncUInt8 (Float)
	This will cap values to the range [0,255].
Int16	roundTruncInt16 (Float)
	This will cap values to the range [-32768,32767].
UInt16	roundTruncUInt16 (Float)
	This will cap values to the range [0,65535].
Float	abs (Float)
bool	isInteger (Float)
	Returns true if input is an integer (or within tolerance).
bool	isPow2 (UInt32)
	Returns true if input is a power of two.
UInt32	roundUpPow2 (UInt32)
	Rounds input up to nearest power of two.
Float	sqr (Float)
Float	sqrt (Float)
Float	cos (Float)
Float	sin (Float)
Float	tan (Float)
Float	arccos (Float)
Float	arcsin (Float)
Float	arctan (Float)
Float	arctan2 (Float y, Float x)
Float	sinc (Float)
Float	exp (Float)
Float	log (Float)
UInt32	randomUInt32 ()
UInt32	randomUInt32 (UInt32 nbVals)
Float	randomFloat ()

Int8	ceilInt8 (Float)
Int8	floorInt8 (Float)
Int8	roundInt8 (Float)
UInt8	ceilUInt8 (Float)
UInt8	floorUInt8 (Float)
UInt8	roundUInt8 (Float)
Int16	ceilInt16 (Float)
Int16	floorInt16 (Float)
Int16	roundInt16 (Float)
UInt16	ceilUInt16 (Float)
UInt16	floorUInt16 (Float)
UInt16	roundUInt16 (Float)
Int32	ceilInt32 (Float)
Int32	floorInt32 (Float)
Int32	roundInt32 (Float)
UInt32	ceilUInt32 (Float)
UInt32	floorUInt32 (Float)
UInt32	roundUInt32 (Float)

bool	isEqual (Float a, Float b, Float tol=TOLERANCE)
bool	isGreater (Float a, Float b, Float tol=TOLERANCE)
bool	isLess (Float a, Float b, Float tol=TOLERANCE)
Static Public Attributes
const Float	TOLERANCE = 10e-4f