math_vector.h File Reference

#include <math.h>
#include <assert.h>

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Data Structures

class Bounds

class idVec2_t

class idVec3_t

class idVec5_t

class vec4_t

Defines

#define __VectorMA(v, s, b, o)   ((o)[0]=(v)[0]+(b)[0]*(s),(o)[1]=(v)[1]+(b)[1]*(s),(o)[2]=(v)[2]+(b)[2]*(s))

#define DotProduct4(x, y)   ((x)[0]*(y)[0]+(x)[1]*(y)[1]+(x)[2]*(y)[2]+(x)[3]*(y)[3])

#define EQUAL_EPSILON   0.001

#define ID_INLINE   inline

#define SnapVector(v)   {v[0]=(int)v[0];v[1]=(int)v[1];v[2]=(int)v[2];}

#define Vector4Copy(a, b)   ((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2],(b)[3]=(a)[3])

#define VectorAdd4(a, b, c)   ((c)[0]=(a)[0]+(b)[0],(c)[1]=(a)[1]+(b)[1],(c)[2]=(a)[2]+(b)[2],(c)[3]=(a)[3]+(b)[3])

#define VectorCopy4(a, b)   ((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2],(b)[3]=(a)[3])

#define VectorMA4(v, s, b, o)   ((o)[0]=(v)[0]+(b)[0]*(s),(o)[1]=(v)[1]+(b)[1]*(s),(o)[2]=(v)[2]+(b)[2]*(s),(o)[3]=(v)[3]+(b)[3]*(s))

#define VectorNegate(a, b)   ((b)[0]=-(a)[0],(b)[1]=-(a)[1],(b)[2]=-(a)[2])

#define VectorScale4(v, s, o)   ((o)[0]=(v)[0]*(s),(o)[1]=(v)[1]*(s),(o)[2]=(v)[2]*(s),(o)[3]=(v)[3]*(s))

#define VectorSubtract4(a, b, c)   ((c)[0]=(a)[0]-(b)[0],(c)[1]=(a)[1]-(b)[1],(c)[2]=(a)[2]-(b)[2],(c)[3]=(a)[3]-(b)[3])

Functions

double idSqrt (double x)

ID_INLINE idVec3_t operator * (const float a, const idVec3_t b)

float Q_fabs (float f)

Variables

Bounds boundsZero

idVec3_t vec_zero

Define Documentation

#define __VectorMA ( v,
s,
b,
o ) ((o)[0]=(v)[0]+(b)[0]*(s),(o)[1]=(v)[1]+(b)[1]*(s),(o)[2]=(v)[2]+(b)[2]*(s))

Definition at line 37 of file math_vector.h.

#define DotProduct4 ( x,
y ) ((x)[0]*(y)[0]+(x)[1]*(y)[1]+(x)[2]*(y)[2]+(x)[3]*(y)[3])

Definition at line 40 of file math_vector.h.

#define EQUAL_EPSILON 0.001

Definition at line 59 of file math_vector.h.

#define ID_INLINE inline

Definition at line 68 of file math_vector.h.

#define SnapVector ( v ) {v[0]=(int)v[0];v[1]=(int)v[1];v[2]=(int)v[2];}

Definition at line 53 of file math_vector.h.

#define Vector4Copy ( a,
b ) ((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2],(b)[3]=(a)[3])

Definition at line 51 of file math_vector.h.

#define VectorAdd4 ( a,
b,
c ) ((c)[0]=(a)[0]+(b)[0],(c)[1]=(a)[1]+(b)[1],(c)[2]=(a)[2]+(b)[2],(c)[3]=(a)[3]+(b)[3])

Definition at line 42 of file math_vector.h.

#define VectorCopy4 ( a,
b ) ((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2],(b)[3]=(a)[3])

Definition at line 43 of file math_vector.h.

#define VectorMA4 ( v,
s,
b,
o ) ((o)[0]=(v)[0]+(b)[0]*(s),(o)[1]=(v)[1]+(b)[1]*(s),(o)[2]=(v)[2]+(b)[2]*(s),(o)[3]=(v)[3]+(b)[3]*(s))

Definition at line 45 of file math_vector.h.

#define VectorNegate ( a,
b ) ((b)[0]=-(a)[0],(b)[1]=-(a)[1],(b)[2]=-(a)[2])

Definition at line 49 of file math_vector.h.

#define VectorScale4 ( v,
s,
o ) ((o)[0]=(v)[0]*(s),(o)[1]=(v)[1]*(s),(o)[2]=(v)[2]*(s),(o)[3]=(v)[3]*(s))

Definition at line 44 of file math_vector.h.

#define VectorSubtract4 ( a,
b,
c ) ((c)[0]=(a)[0]-(b)[0],(c)[1]=(a)[1]-(b)[1],(c)[2]=(a)[2]-(b)[2],(c)[3]=(a)[3]-(b)[3])

Definition at line 41 of file math_vector.h.

Function Documentation

double idSqrt ( double x ) [inline, static]

Definition at line 116 of file math_vector.h.
References sqrt(), and x.
Referenced by idVec3_t::Length(), Bounds::Radius(), and idVec3_t::toPitch().
00116 { 00117 return sqrt(x); 00118 }

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ID_INLINE idVec3_t operator * ( const float a,

const idVec3_t b

)

Definition at line 234 of file math_vector.h.
References a, b, ID_INLINE, idVec3_t::x, idVec3_t::y, and idVec3_t::z.
00234 { 00235 return idVec3_t( b.x * a, b.y * a, b.z * a ); 00236 }

float Q_fabs ( float f )

Definition at line 574 of file q_math.c.
Referenced by idVec3_t::operator!=(), idVec3_t::operator==(), ProjectDlightTexture(), ProjectPointOnPlane(), and UI_MovedirAdjustment().
00574 { 00575 int tmp = * ( int * ) &f; 00576 tmp &= 0x7FFFFFFF; 00577 return * ( float * ) &tmp; 00578 }

Variable Documentation

Bounds boundsZero

Definition at line 39 of file math_vector.cpp.

idVec3_t vec_zero

Generated on Thu Aug 25 15:33:54 2005 for Quake III Arena by

1.3.9.1


Data Structures
class	Bounds
class	idVec2_t
class	idVec3_t
class	idVec5_t
class	vec4_t
Defines
#define	__VectorMA(v, s, b, o) ((o)[0]=(v)[0]+(b)[0](s),(o)[1]=(v)[1]+(b)[1](s),(o)[2]=(v)[2]+(b)[2]*(s))
#define	DotProduct4(x, y) ((x)[0](y)[0]+(x)[1](y)[1]+(x)[2](y)[2]+(x)[3](y)[3])
#define	EQUAL_EPSILON 0.001
#define	ID_INLINE inline
#define	SnapVector(v) {v[0]=(int)v[0];v[1]=(int)v[1];v[2]=(int)v[2];}
#define	Vector4Copy(a, b) ((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2],(b)[3]=(a)[3])
#define	VectorAdd4(a, b, c) ((c)[0]=(a)[0]+(b)[0],(c)[1]=(a)[1]+(b)[1],(c)[2]=(a)[2]+(b)[2],(c)[3]=(a)[3]+(b)[3])
#define	VectorCopy4(a, b) ((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2],(b)[3]=(a)[3])
#define	VectorMA4(v, s, b, o) ((o)[0]=(v)[0]+(b)[0](s),(o)[1]=(v)[1]+(b)[1](s),(o)[2]=(v)[2]+(b)[2](s),(o)[3]=(v)[3]+(b)[3](s))
#define	VectorNegate(a, b) ((b)[0]=-(a)[0],(b)[1]=-(a)[1],(b)[2]=-(a)[2])
#define	VectorScale4(v, s, o) ((o)[0]=(v)[0](s),(o)[1]=(v)[1](s),(o)[2]=(v)[2](s),(o)[3]=(v)[3](s))
#define	VectorSubtract4(a, b, c) ((c)[0]=(a)[0]-(b)[0],(c)[1]=(a)[1]-(b)[1],(c)[2]=(a)[2]-(b)[2],(c)[3]=(a)[3]-(b)[3])
Functions
double	idSqrt (double x)
ID_INLINE idVec3_t	operator * (const float a, const idVec3_t b)
float	Q_fabs (float f)
Variables
Bounds	boundsZero
idVec3_t	vec_zero