C:/desarrollo/GIMPACT/GIMPACT/include/GIMPACT/core/gim_math.h File Reference

#include "LinearMath/btScalar.h"

Defines
#define	GREAL   btScalar
#define	GREAL2   double
#define	GINT   int
#define	GUINT   unsigned int
#define	GSHORT   short
#define	GUSHORT   unsigned short
#define	GINT64   long long
#define	GUINT64   unsigned long long
#define	G_PI   3.14159265358979f
#define	G_HALF_PI   1.5707963f
#define	G_TWO_PI   6.28318530f
#define	G_ROOT3   1.73205f
#define	G_ROOT2   1.41421f
#define	G_UINT_INFINITY   0xffffffff
	A very very high value.
#define	G_REAL_INFINITY   FLT_MAX
#define	G_SIGN_BITMASK   0x80000000
#define	G_EPSILON   SIMD_EPSILON
#define	G_DEGTORAD(X)   ((X)*3.1415926f/180.0f)
#define	G_RADTODEG(X)   ((X)*180.0f/3.1415926f)
#define	GIM_IR(x)   ((GUINT&)(x))
	Integer representation of a floating-point value.
#define	GIM_SIR(x)   ((GINT&)(x))
	Signed integer representation of a floating-point value.
#define	GIM_AIR(x)   (GIM_IR(x)&0x7fffffff)
	Absolute integer representation of a floating-point value.
#define	GIM_FR(x)   ((GREAL&)(x))
	Floating-point representation of an integer value.
#define	GIM_MAX(a, b)   (a<b?b:a)
#define	GIM_MIN(a, b)   (a>b?b:a)
#define	GIM_MAX3(a, b, c)   GIM_MAX(a,GIM_MAX(b,c))
#define	GIM_MIN3(a, b, c)   GIM_MIN(a,GIM_MIN(b,c))
#define	GIM_IS_ZERO(value)   (value < G_EPSILON && value > -G_EPSILON)
#define	GIM_IS_NEGATIVE(value)   (value <= -G_EPSILON)
#define	GIM_IS_POSISITVE(value)   (value >= G_EPSILON)
#define	GIM_NEAR_EQUAL(v1, v2)   GIM_IS_ZERO((v1-v2))
#define	GIM_CLAMP(number, minval, maxval)   (number<minval?minval:(number>maxval?maxval:number))
	returns a clamped number
#define	GIM_GREATER(x, y)   fabsf(x) > (y)
#define	GIM_SWAP_NUMBERS(a, b)
	Swap numbers.
#define	GIM_INV_SQRT(va, isva)
#define	GIM_SQRT(va, sva)
Enumerations
enum	GIM_SCALAR_TYPES {   G_STYPE_REAL = 0, G_STYPE_REAL2, G_STYPE_SHORT, G_STYPE_USHORT,   G_STYPE_INT, G_STYPE_UINT, G_STYPE_INT64, G_STYPE_UINT64 }
Functions
GREAL	gim_inv_sqrt (GREAL f)
	Computes 1.0f / sqrtf(x). Comes from Quake3. See http://www.magic-software.com/3DGEDInvSqrt.html.
GREAL	gim_sqrt (GREAL f)

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Detailed Description

Author:

Francisco León Nájera

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