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Diffstat (limited to 'extern/bullet2/BulletMultiThreaded/vectormath/scalar/cpp/vec_aos.h')
| -rw-r--r-- | extern/bullet2/BulletMultiThreaded/vectormath/scalar/cpp/vec_aos.h | 1426 |
1 files changed, 1426 insertions, 0 deletions
diff --git a/extern/bullet2/BulletMultiThreaded/vectormath/scalar/cpp/vec_aos.h b/extern/bullet2/BulletMultiThreaded/vectormath/scalar/cpp/vec_aos.h new file mode 100644 index 00000000000..46d4d6b3e5c --- /dev/null +++ b/extern/bullet2/BulletMultiThreaded/vectormath/scalar/cpp/vec_aos.h @@ -0,0 +1,1426 @@ +/* + Copyright (C) 2009 Sony Computer Entertainment Inc. + All rights reserved. + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. + +*/ + +#ifndef _VECTORMATH_VEC_AOS_CPP_H +#define _VECTORMATH_VEC_AOS_CPP_H + +//----------------------------------------------------------------------------- +// Constants + +#define _VECTORMATH_SLERP_TOL 0.999f + +//----------------------------------------------------------------------------- +// Definitions + +#ifndef _VECTORMATH_INTERNAL_FUNCTIONS +#define _VECTORMATH_INTERNAL_FUNCTIONS + +#endif + +namespace Vectormath { +namespace Aos { + +inline Vector3::Vector3( const Vector3 & vec ) +{ + mX = vec.mX; + mY = vec.mY; + mZ = vec.mZ; +} + +inline Vector3::Vector3( float _x, float _y, float _z ) +{ + mX = _x; + mY = _y; + mZ = _z; +} + +inline Vector3::Vector3( const Point3 & pnt ) +{ + mX = pnt.getX(); + mY = pnt.getY(); + mZ = pnt.getZ(); +} + +inline Vector3::Vector3( float scalar ) +{ + mX = scalar; + mY = scalar; + mZ = scalar; +} + +inline const Vector3 Vector3::xAxis( ) +{ + return Vector3( 1.0f, 0.0f, 0.0f ); +} + +inline const Vector3 Vector3::yAxis( ) +{ + return Vector3( 0.0f, 1.0f, 0.0f ); +} + +inline const Vector3 Vector3::zAxis( ) +{ + return Vector3( 0.0f, 0.0f, 1.0f ); +} + +inline const Vector3 lerp( float t, const Vector3 & vec0, const Vector3 & vec1 ) +{ + return ( vec0 + ( ( vec1 - vec0 ) * t ) ); +} + +inline const Vector3 slerp( float t, const Vector3 & unitVec0, const Vector3 & unitVec1 ) +{ + float recipSinAngle, scale0, scale1, cosAngle, angle; + cosAngle = dot( unitVec0, unitVec1 ); + if ( cosAngle < _VECTORMATH_SLERP_TOL ) { + angle = acosf( cosAngle ); + recipSinAngle = ( 1.0f / sinf( angle ) ); + scale0 = ( sinf( ( ( 1.0f - t ) * angle ) ) * recipSinAngle ); + scale1 = ( sinf( ( t * angle ) ) * recipSinAngle ); + } else { + scale0 = ( 1.0f - t ); + scale1 = t; + } + return ( ( unitVec0 * scale0 ) + ( unitVec1 * scale1 ) ); +} + +inline void loadXYZ( Vector3 & vec, const float * fptr ) +{ + vec = Vector3( fptr[0], fptr[1], fptr[2] ); +} + +inline void storeXYZ( const Vector3 & vec, float * fptr ) +{ + fptr[0] = vec.getX(); + fptr[1] = vec.getY(); + fptr[2] = vec.getZ(); +} + +inline void loadHalfFloats( Vector3 & vec, const unsigned short * hfptr ) +{ + union Data32 { + unsigned int u32; + float f32; + }; + + for (int i = 0; i < 3; i++) { + unsigned short fp16 = hfptr[i]; + unsigned int sign = fp16 >> 15; + unsigned int exponent = (fp16 >> 10) & ((1 << 5) - 1); + unsigned int mantissa = fp16 & ((1 << 10) - 1); + + if (exponent == 0) { + // zero + mantissa = 0; + + } else if (exponent == 31) { + // infinity or nan -> infinity + exponent = 255; + mantissa = 0; + + } else { + exponent += 127 - 15; + mantissa <<= 13; + } + + Data32 d; + d.u32 = (sign << 31) | (exponent << 23) | mantissa; + vec[i] = d.f32; + } +} + +inline void storeHalfFloats( const Vector3 & vec, unsigned short * hfptr ) +{ + union Data32 { + unsigned int u32; + float f32; + }; + + for (int i = 0; i < 3; i++) { + Data32 d; + d.f32 = vec[i]; + + unsigned int sign = d.u32 >> 31; + unsigned int exponent = (d.u32 >> 23) & ((1 << 8) - 1); + unsigned int mantissa = d.u32 & ((1 << 23) - 1);; + + if (exponent == 0) { + // zero or denorm -> zero + mantissa = 0; + + } else if (exponent == 255 && mantissa != 0) { + // nan -> infinity + exponent = 31; + mantissa = 0; + + } else if (exponent >= 127 - 15 + 31) { + // overflow or infinity -> infinity + exponent = 31; + mantissa = 0; + + } else if (exponent <= 127 - 15) { + // underflow -> zero + exponent = 0; + mantissa = 0; + + } else { + exponent -= 127 - 15; + mantissa >>= 13; + } + + hfptr[i] = (unsigned short)((sign << 15) | (exponent << 10) | mantissa); + } +} + +inline Vector3 & Vector3::operator =( const Vector3 & vec ) +{ + mX = vec.mX; + mY = vec.mY; + mZ = vec.mZ; + return *this; +} + +inline Vector3 & Vector3::setX( float _x ) +{ + mX = _x; + return *this; +} + +inline float Vector3::getX( ) const +{ + return mX; +} + +inline Vector3 & Vector3::setY( float _y ) +{ + mY = _y; + return *this; +} + +inline float Vector3::getY( ) const +{ + return mY; +} + +inline Vector3 & Vector3::setZ( float _z ) +{ + mZ = _z; + return *this; +} + +inline float Vector3::getZ( ) const +{ + return mZ; +} + +inline Vector3 & Vector3::setElem( int idx, float value ) +{ + *(&mX + idx) = value; + return *this; +} + +inline float Vector3::getElem( int idx ) const +{ + return *(&mX + idx); +} + +inline float & Vector3::operator []( int idx ) +{ + return *(&mX + idx); +} + +inline float Vector3::operator []( int idx ) const +{ + return *(&mX + idx); +} + +inline const Vector3 Vector3::operator +( const Vector3 & vec ) const +{ + return Vector3( + ( mX + vec.mX ), + ( mY + vec.mY ), + ( mZ + vec.mZ ) + ); +} + +inline const Vector3 Vector3::operator -( const Vector3 & vec ) const +{ + return Vector3( + ( mX - vec.mX ), + ( mY - vec.mY ), + ( mZ - vec.mZ ) + ); +} + +inline const Point3 Vector3::operator +( const Point3 & pnt ) const +{ + return Point3( + ( mX + pnt.getX() ), + ( mY + pnt.getY() ), + ( mZ + pnt.getZ() ) + ); +} + +inline const Vector3 Vector3::operator *( float scalar ) const +{ + return Vector3( + ( mX * scalar ), + ( mY * scalar ), + ( mZ * scalar ) + ); +} + +inline Vector3 & Vector3::operator +=( const Vector3 & vec ) +{ + *this = *this + vec; + return *this; +} + +inline Vector3 & Vector3::operator -=( const Vector3 & vec ) +{ + *this = *this - vec; + return *this; +} + +inline Vector3 & Vector3::operator *=( float scalar ) +{ + *this = *this * scalar; + return *this; +} + +inline const Vector3 Vector3::operator /( float scalar ) const +{ + return Vector3( + ( mX / scalar ), + ( mY / scalar ), + ( mZ / scalar ) + ); +} + +inline Vector3 & Vector3::operator /=( float scalar ) +{ + *this = *this / scalar; + return *this; +} + +inline const Vector3 Vector3::operator -( ) const +{ + return Vector3( + -mX, + -mY, + -mZ + ); +} + +inline const Vector3 operator *( float scalar, const Vector3 & vec ) +{ + return vec * scalar; +} + +inline const Vector3 mulPerElem( const Vector3 & vec0, const Vector3 & vec1 ) +{ + return Vector3( + ( vec0.getX() * vec1.getX() ), + ( vec0.getY() * vec1.getY() ), + ( vec0.getZ() * vec1.getZ() ) + ); +} + +inline const Vector3 divPerElem( const Vector3 & vec0, const Vector3 & vec1 ) +{ + return Vector3( + ( vec0.getX() / vec1.getX() ), + ( vec0.getY() / vec1.getY() ), + ( vec0.getZ() / vec1.getZ() ) + ); +} + +inline const Vector3 recipPerElem( const Vector3 & vec ) +{ + return Vector3( + ( 1.0f / vec.getX() ), + ( 1.0f / vec.getY() ), + ( 1.0f / vec.getZ() ) + ); +} + +inline const Vector3 sqrtPerElem( const Vector3 & vec ) +{ + return Vector3( + sqrtf( vec.getX() ), + sqrtf( vec.getY() ), + sqrtf( vec.getZ() ) + ); +} + +inline const Vector3 rsqrtPerElem( const Vector3 & vec ) +{ + return Vector3( + ( 1.0f / sqrtf( vec.getX() ) ), + ( 1.0f / sqrtf( vec.getY() ) ), + ( 1.0f / sqrtf( vec.getZ() ) ) + ); +} + +inline const Vector3 absPerElem( const Vector3 & vec ) +{ + return Vector3( + fabsf( vec.getX() ), + fabsf( vec.getY() ), + fabsf( vec.getZ() ) + ); +} + +inline const Vector3 copySignPerElem( const Vector3 & vec0, const Vector3 & vec1 ) +{ + return Vector3( + ( vec1.getX() < 0.0f )? -fabsf( vec0.getX() ) : fabsf( vec0.getX() ), + ( vec1.getY() < 0.0f )? -fabsf( vec0.getY() ) : fabsf( vec0.getY() ), + ( vec1.getZ() < 0.0f )? -fabsf( vec0.getZ() ) : fabsf( vec0.getZ() ) + ); +} + +inline const Vector3 maxPerElem( const Vector3 & vec0, const Vector3 & vec1 ) +{ + return Vector3( + (vec0.getX() > vec1.getX())? vec0.getX() : vec1.getX(), + (vec0.getY() > vec1.getY())? vec0.getY() : vec1.getY(), + (vec0.getZ() > vec1.getZ())? vec0.getZ() : vec1.getZ() + ); +} + +inline float maxElem( const Vector3 & vec ) +{ + float result; + result = (vec.getX() > vec.getY())? vec.getX() : vec.getY(); + result = (vec.getZ() > result)? vec.getZ() : result; + return result; +} + +inline const Vector3 minPerElem( const Vector3 & vec0, const Vector3 & vec1 ) +{ + return Vector3( + (vec0.getX() < vec1.getX())? vec0.getX() : vec1.getX(), + (vec0.getY() < vec1.getY())? vec0.getY() : vec1.getY(), + (vec0.getZ() < vec1.getZ())? vec0.getZ() : vec1.getZ() + ); +} + +inline float minElem( const Vector3 & vec ) +{ + float result; + result = (vec.getX() < vec.getY())? vec.getX() : vec.getY(); + result = (vec.getZ() < result)? vec.getZ() : result; + return result; +} + +inline float sum( const Vector3 & vec ) +{ + float result; + result = ( vec.getX() + vec.getY() ); + result = ( result + vec.getZ() ); + return result; +} + +inline float dot( const Vector3 & vec0, const Vector3 & vec1 ) +{ + float result; + result = ( vec0.getX() * vec1.getX() ); + result = ( result + ( vec0.getY() * vec1.getY() ) ); + result = ( result + ( vec0.getZ() * vec1.getZ() ) ); + return result; +} + +inline float lengthSqr( const Vector3 & vec ) +{ + float result; + result = ( vec.getX() * vec.getX() ); + result = ( result + ( vec.getY() * vec.getY() ) ); + result = ( result + ( vec.getZ() * vec.getZ() ) ); + return result; +} + +inline float length( const Vector3 & vec ) +{ + return ::sqrtf( lengthSqr( vec ) ); +} + +inline const Vector3 normalize( const Vector3 & vec ) +{ + float lenSqr, lenInv; + lenSqr = lengthSqr( vec ); + lenInv = ( 1.0f / sqrtf( lenSqr ) ); + return Vector3( + ( vec.getX() * lenInv ), + ( vec.getY() * lenInv ), + ( vec.getZ() * lenInv ) + ); +} + +inline const Vector3 cross( const Vector3 & vec0, const Vector3 & vec1 ) +{ + return Vector3( + ( ( vec0.getY() * vec1.getZ() ) - ( vec0.getZ() * vec1.getY() ) ), + ( ( vec0.getZ() * vec1.getX() ) - ( vec0.getX() * vec1.getZ() ) ), + ( ( vec0.getX() * vec1.getY() ) - ( vec0.getY() * vec1.getX() ) ) + ); +} + +inline const Vector3 select( const Vector3 & vec0, const Vector3 & vec1, bool select1 ) +{ + return Vector3( + ( select1 )? vec1.getX() : vec0.getX(), + ( select1 )? vec1.getY() : vec0.getY(), + ( select1 )? vec1.getZ() : vec0.getZ() + ); +} + +#ifdef _VECTORMATH_DEBUG + +inline void print( const Vector3 & vec ) +{ + printf( "( %f %f %f )\n", vec.getX(), vec.getY(), vec.getZ() ); +} + +inline void print( const Vector3 & vec, const char * name ) +{ + printf( "%s: ( %f %f %f )\n", name, vec.getX(), vec.getY(), vec.getZ() ); +} + +#endif + +inline Vector4::Vector4( const Vector4 & vec ) +{ + mX = vec.mX; + mY = vec.mY; + mZ = vec.mZ; + mW = vec.mW; +} + +inline Vector4::Vector4( float _x, float _y, float _z, float _w ) +{ + mX = _x; + mY = _y; + mZ = _z; + mW = _w; +} + +inline Vector4::Vector4( const Vector3 & xyz, float _w ) +{ + this->setXYZ( xyz ); + this->setW( _w ); +} + +inline Vector4::Vector4( const Vector3 & vec ) +{ + mX = vec.getX(); + mY = vec.getY(); + mZ = vec.getZ(); + mW = 0.0f; +} + +inline Vector4::Vector4( const Point3 & pnt ) +{ + mX = pnt.getX(); + mY = pnt.getY(); + mZ = pnt.getZ(); + mW = 1.0f; +} + +inline Vector4::Vector4( const Quat & quat ) +{ + mX = quat.getX(); + mY = quat.getY(); + mZ = quat.getZ(); + mW = quat.getW(); +} + +inline Vector4::Vector4( float scalar ) +{ + mX = scalar; + mY = scalar; + mZ = scalar; + mW = scalar; +} + +inline const Vector4 Vector4::xAxis( ) +{ + return Vector4( 1.0f, 0.0f, 0.0f, 0.0f ); +} + +inline const Vector4 Vector4::yAxis( ) +{ + return Vector4( 0.0f, 1.0f, 0.0f, 0.0f ); +} + +inline const Vector4 Vector4::zAxis( ) +{ + return Vector4( 0.0f, 0.0f, 1.0f, 0.0f ); +} + +inline const Vector4 Vector4::wAxis( ) +{ + return Vector4( 0.0f, 0.0f, 0.0f, 1.0f ); +} + +inline const Vector4 lerp( float t, const Vector4 & vec0, const Vector4 & vec1 ) +{ + return ( vec0 + ( ( vec1 - vec0 ) * t ) ); +} + +inline const Vector4 slerp( float t, const Vector4 & unitVec0, const Vector4 & unitVec1 ) +{ + float recipSinAngle, scale0, scale1, cosAngle, angle; + cosAngle = dot( unitVec0, unitVec1 ); + if ( cosAngle < _VECTORMATH_SLERP_TOL ) { + angle = acosf( cosAngle ); + recipSinAngle = ( 1.0f / sinf( angle ) ); + scale0 = ( sinf( ( ( 1.0f - t ) * angle ) ) * recipSinAngle ); + scale1 = ( sinf( ( t * angle ) ) * recipSinAngle ); + } else { + scale0 = ( 1.0f - t ); + scale1 = t; + } + return ( ( unitVec0 * scale0 ) + ( unitVec1 * scale1 ) ); +} + +inline void loadXYZW( Vector4 & vec, const float * fptr ) +{ + vec = Vector4( fptr[0], fptr[1], fptr[2], fptr[3] ); +} + +inline void storeXYZW( const Vector4 & vec, float * fptr ) +{ + fptr[0] = vec.getX(); + fptr[1] = vec.getY(); + fptr[2] = vec.getZ(); + fptr[3] = vec.getW(); +} + +inline void loadHalfFloats( Vector4 & vec, const unsigned short * hfptr ) +{ + union Data32 { + unsigned int u32; + float f32; + }; + + for (int i = 0; i < 4; i++) { + unsigned short fp16 = hfptr[i]; + unsigned int sign = fp16 >> 15; + unsigned int exponent = (fp16 >> 10) & ((1 << 5) - 1); + unsigned int mantissa = fp16 & ((1 << 10) - 1); + + if (exponent == 0) { + // zero + mantissa = 0; + + } else if (exponent == 31) { + // infinity or nan -> infinity + exponent = 255; + mantissa = 0; + + } else { + exponent += 127 - 15; + mantissa <<= 13; + } + + Data32 d; + d.u32 = (sign << 31) | (exponent << 23) | mantissa; + vec[i] = d.f32; + } +} + +inline void storeHalfFloats( const Vector4 & vec, unsigned short * hfptr ) +{ + union Data32 { + unsigned int u32; + float f32; + }; + + for (int i = 0; i < 4; i++) { + Data32 d; + d.f32 = vec[i]; + + unsigned int sign = d.u32 >> 31; + unsigned int exponent = (d.u32 >> 23) & ((1 << 8) - 1); + unsigned int mantissa = d.u32 & ((1 << 23) - 1);; + + if (exponent == 0) { + // zero or denorm -> zero + mantissa = 0; + + } else if (exponent == 255 && mantissa != 0) { + // nan -> infinity + exponent = 31; + mantissa = 0; + + } else if (exponent >= 127 - 15 + 31) { + // overflow or infinity -> infinity + exponent = 31; + mantissa = 0; + + } else if (exponent <= 127 - 15) { + // underflow -> zero + exponent = 0; + mantissa = 0; + + } else { + exponent -= 127 - 15; + mantissa >>= 13; + } + + hfptr[i] = (unsigned short)((sign << 15) | (exponent << 10) | mantissa); + } +} + +inline Vector4 & Vector4::operator =( const Vector4 & vec ) +{ + mX = vec.mX; + mY = vec.mY; + mZ = vec.mZ; + mW = vec.mW; + return *this; +} + +inline Vector4 & Vector4::setXYZ( const Vector3 & vec ) +{ + mX = vec.getX(); + mY = vec.getY(); + mZ = vec.getZ(); + return *this; +} + +inline const Vector3 Vector4::getXYZ( ) const +{ + return Vector3( mX, mY, mZ ); +} + +inline Vector4 & Vector4::setX( float _x ) +{ + mX = _x; + return *this; +} + +inline float Vector4::getX( ) const +{ + return mX; +} + +inline Vector4 & Vector4::setY( float _y ) +{ + mY = _y; + return *this; +} + +inline float Vector4::getY( ) const +{ + return mY; +} + +inline Vector4 & Vector4::setZ( float _z ) +{ + mZ = _z; + return *this; +} + +inline float Vector4::getZ( ) const +{ + return mZ; +} + +inline Vector4 & Vector4::setW( float _w ) +{ + mW = _w; + return *this; +} + +inline float Vector4::getW( ) const +{ + return mW; +} + +inline Vector4 & Vector4::setElem( int idx, float value ) +{ + *(&mX + idx) = value; + return *this; +} + +inline float Vector4::getElem( int idx ) const +{ + return *(&mX + idx); +} + +inline float & Vector4::operator []( int idx ) +{ + return *(&mX + idx); +} + +inline float Vector4::operator []( int idx ) const +{ + return *(&mX + idx); +} + +inline const Vector4 Vector4::operator +( const Vector4 & vec ) const +{ + return Vector4( + ( mX + vec.mX ), + ( mY + vec.mY ), + ( mZ + vec.mZ ), + ( mW + vec.mW ) + ); +} + +inline const Vector4 Vector4::operator -( const Vector4 & vec ) const +{ + return Vector4( + ( mX - vec.mX ), + ( mY - vec.mY ), + ( mZ - vec.mZ ), + ( mW - vec.mW ) + ); +} + +inline const Vector4 Vector4::operator *( float scalar ) const +{ + return Vector4( + ( mX * scalar ), + ( mY * scalar ), + ( mZ * scalar ), + ( mW * scalar ) + ); +} + +inline Vector4 & Vector4::operator +=( const Vector4 & vec ) +{ + *this = *this + vec; + return *this; +} + +inline Vector4 & Vector4::operator -=( const Vector4 & vec ) +{ + *this = *this - vec; + return *this; +} + +inline Vector4 & Vector4::operator *=( float scalar ) +{ + *this = *this * scalar; + return *this; +} + +inline const Vector4 Vector4::operator /( float scalar ) const +{ + return Vector4( + ( mX / scalar ), + ( mY / scalar ), + ( mZ / scalar ), + ( mW / scalar ) + ); +} + +inline Vector4 & Vector4::operator /=( float scalar ) +{ + *this = *this / scalar; + return *this; +} + +inline const Vector4 Vector4::operator -( ) const +{ + return Vector4( + -mX, + -mY, + -mZ, + -mW + ); +} + +inline const Vector4 operator *( float scalar, const Vector4 & vec ) +{ + return vec * scalar; +} + +inline const Vector4 mulPerElem( const Vector4 & vec0, const Vector4 & vec1 ) +{ + return Vector4( + ( vec0.getX() * vec1.getX() ), + ( vec0.getY() * vec1.getY() ), + ( vec0.getZ() * vec1.getZ() ), + ( vec0.getW() * vec1.getW() ) + ); +} + +inline const Vector4 divPerElem( const Vector4 & vec0, const Vector4 & vec1 ) +{ + return Vector4( + ( vec0.getX() / vec1.getX() ), + ( vec0.getY() / vec1.getY() ), + ( vec0.getZ() / vec1.getZ() ), + ( vec0.getW() / vec1.getW() ) + ); +} + +inline const Vector4 recipPerElem( const Vector4 & vec ) +{ + return Vector4( + ( 1.0f / vec.getX() ), + ( 1.0f / vec.getY() ), + ( 1.0f / vec.getZ() ), + ( 1.0f / vec.getW() ) + ); +} + +inline const Vector4 sqrtPerElem( const Vector4 & vec ) +{ + return Vector4( + sqrtf( vec.getX() ), + sqrtf( vec.getY() ), + sqrtf( vec.getZ() ), + sqrtf( vec.getW() ) + ); +} + +inline const Vector4 rsqrtPerElem( const Vector4 & vec ) +{ + return Vector4( + ( 1.0f / sqrtf( vec.getX() ) ), + ( 1.0f / sqrtf( vec.getY() ) ), + ( 1.0f / sqrtf( vec.getZ() ) ), + ( 1.0f / sqrtf( vec.getW() ) ) + ); +} + +inline const Vector4 absPerElem( const Vector4 & vec ) +{ + return Vector4( + fabsf( vec.getX() ), + fabsf( vec.getY() ), + fabsf( vec.getZ() ), + fabsf( vec.getW() ) + ); +} + +inline const Vector4 copySignPerElem( const Vector4 & vec0, const Vector4 & vec1 ) +{ + return Vector4( + ( vec1.getX() < 0.0f )? -fabsf( vec0.getX() ) : fabsf( vec0.getX() ), + ( vec1.getY() < 0.0f )? -fabsf( vec0.getY() ) : fabsf( vec0.getY() ), + ( vec1.getZ() < 0.0f )? -fabsf( vec0.getZ() ) : fabsf( vec0.getZ() ), + ( vec1.getW() < 0.0f )? -fabsf( vec0.getW() ) : fabsf( vec0.getW() ) + ); +} + +inline const Vector4 maxPerElem( const Vector4 & vec0, const Vector4 & vec1 ) +{ + return Vector4( + (vec0.getX() > vec1.getX())? vec0.getX() : vec1.getX(), + (vec0.getY() > vec1.getY())? vec0.getY() : vec1.getY(), + (vec0.getZ() > vec1.getZ())? vec0.getZ() : vec1.getZ(), + (vec0.getW() > vec1.getW())? vec0.getW() : vec1.getW() + ); +} + +inline float maxElem( const Vector4 & vec ) +{ + float result; + result = (vec.getX() > vec.getY())? vec.getX() : vec.getY(); + result = (vec.getZ() > result)? vec.getZ() : result; + result = (vec.getW() > result)? vec.getW() : result; + return result; +} + +inline const Vector4 minPerElem( const Vector4 & vec0, const Vector4 & vec1 ) +{ + return Vector4( + (vec0.getX() < vec1.getX())? vec0.getX() : vec1.getX(), + (vec0.getY() < vec1.getY())? vec0.getY() : vec1.getY(), + (vec0.getZ() < vec1.getZ())? vec0.getZ() : vec1.getZ(), + (vec0.getW() < vec1.getW())? vec0.getW() : vec1.getW() + ); +} + +inline float minElem( const Vector4 & vec ) +{ + float result; + result = (vec.getX() < vec.getY())? vec.getX() : vec.getY(); + result = (vec.getZ() < result)? vec.getZ() : result; + result = (vec.getW() < result)? vec.getW() : result; + return result; +} + +inline float sum( const Vector4 & vec ) +{ + float result; + result = ( vec.getX() + vec.getY() ); + result = ( result + vec.getZ() ); + result = ( result + vec.getW() ); + return result; +} + +inline float dot( const Vector4 & vec0, const Vector4 & vec1 ) +{ + float result; + result = ( vec0.getX() * vec1.getX() ); + result = ( result + ( vec0.getY() * vec1.getY() ) ); + result = ( result + ( vec0.getZ() * vec1.getZ() ) ); + result = ( result + ( vec0.getW() * vec1.getW() ) ); + return result; +} + +inline float lengthSqr( const Vector4 & vec ) +{ + float result; + result = ( vec.getX() * vec.getX() ); + result = ( result + ( vec.getY() * vec.getY() ) ); + result = ( result + ( vec.getZ() * vec.getZ() ) ); + result = ( result + ( vec.getW() * vec.getW() ) ); + return result; +} + +inline float length( const Vector4 & vec ) +{ + return ::sqrtf( lengthSqr( vec ) ); +} + +inline const Vector4 normalize( const Vector4 & vec ) +{ + float lenSqr, lenInv; + lenSqr = lengthSqr( vec ); + lenInv = ( 1.0f / sqrtf( lenSqr ) ); + return Vector4( + ( vec.getX() * lenInv ), + ( vec.getY() * lenInv ), + ( vec.getZ() * lenInv ), + ( vec.getW() * lenInv ) + ); +} + +inline const Vector4 select( const Vector4 & vec0, const Vector4 & vec1, bool select1 ) +{ + return Vector4( + ( select1 )? vec1.getX() : vec0.getX(), + ( select1 )? vec1.getY() : vec0.getY(), + ( select1 )? vec1.getZ() : vec0.getZ(), + ( select1 )? vec1.getW() : vec0.getW() + ); +} + +#ifdef _VECTORMATH_DEBUG + +inline void print( const Vector4 & vec ) +{ + printf( "( %f %f %f %f )\n", vec.getX(), vec.getY(), vec.getZ(), vec.getW() ); +} + +inline void print( const Vector4 & vec, const char * name ) +{ + printf( "%s: ( %f %f %f %f )\n", name, vec.getX(), vec.getY(), vec.getZ(), vec.getW() ); +} + +#endif + +inline Point3::Point3( const Point3 & pnt ) +{ + mX = pnt.mX; + mY = pnt.mY; + mZ = pnt.mZ; +} + +inline Point3::Point3( float _x, float _y, float _z ) +{ + mX = _x; + mY = _y; + mZ = _z; +} + +inline Point3::Point3( const Vector3 & vec ) +{ + mX = vec.getX(); + mY = vec.getY(); + mZ = vec.getZ(); +} + +inline Point3::Point3( float scalar ) +{ + mX = scalar; + mY = scalar; + mZ = scalar; +} + +inline const Point3 lerp( float t, const Point3 & pnt0, const Point3 & pnt1 ) +{ + return ( pnt0 + ( ( pnt1 - pnt0 ) * t ) ); +} + +inline void loadXYZ( Point3 & pnt, const float * fptr ) +{ + pnt = Point3( fptr[0], fptr[1], fptr[2] ); +} + +inline void storeXYZ( const Point3 & pnt, float * fptr ) +{ + fptr[0] = pnt.getX(); + fptr[1] = pnt.getY(); + fptr[2] = pnt.getZ(); +} + +inline void loadHalfFloats( Point3 & vec, const unsigned short * hfptr ) +{ + union Data32 { + unsigned int u32; + float f32; + }; + + for (int i = 0; i < 3; i++) { + unsigned short fp16 = hfptr[i]; + unsigned int sign = fp16 >> 15; + unsigned int exponent = (fp16 >> 10) & ((1 << 5) - 1); + unsigned int mantissa = fp16 & ((1 << 10) - 1); + + if (exponent == 0) { + // zero + mantissa = 0; + + } else if (exponent == 31) { + // infinity or nan -> infinity + exponent = 255; + mantissa = 0; + + } else { + exponent += 127 - 15; + mantissa <<= 13; + } + + Data32 d; + d.u32 = (sign << 31) | (exponent << 23) | mantissa; + vec[i] = d.f32; + } +} + +inline void storeHalfFloats( const Point3 & vec, unsigned short * hfptr ) +{ + union Data32 { + unsigned int u32; + float f32; + }; + + for (int i = 0; i < 3; i++) { + Data32 d; + d.f32 = vec[i]; + + unsigned int sign = d.u32 >> 31; + unsigned int exponent = (d.u32 >> 23) & ((1 << 8) - 1); + unsigned int mantissa = d.u32 & ((1 << 23) - 1);; + + if (exponent == 0) { + // zero or denorm -> zero + mantissa = 0; + + } else if (exponent == 255 && mantissa != 0) { + // nan -> infinity + exponent = 31; + mantissa = 0; + + } else if (exponent >= 127 - 15 + 31) { + // overflow or infinity -> infinity + exponent = 31; + mantissa = 0; + + } else if (exponent <= 127 - 15) { + // underflow -> zero + exponent = 0; + mantissa = 0; + + } else { + exponent -= 127 - 15; + mantissa >>= 13; + } + + hfptr[i] = (unsigned short)((sign << 15) | (exponent << 10) | mantissa); + } +} + +inline Point3 & Point3::operator =( const Point3 & pnt ) +{ + mX = pnt.mX; + mY = pnt.mY; + mZ = pnt.mZ; + return *this; +} + +inline Point3 & Point3::setX( float _x ) +{ + mX = _x; + return *this; +} + +inline float Point3::getX( ) const +{ + return mX; +} + +inline Point3 & Point3::setY( float _y ) +{ + mY = _y; + return *this; +} + +inline float Point3::getY( ) const +{ + return mY; +} + +inline Point3 & Point3::setZ( float _z ) +{ + mZ = _z; + return *this; +} + +inline float Point3::getZ( ) const +{ + return mZ; +} + +inline Point3 & Point3::setElem( int idx, float value ) +{ + *(&mX + idx) = value; + return *this; +} + +inline float Point3::getElem( int idx ) const +{ + return *(&mX + idx); +} + +inline float & Point3::operator []( int idx ) +{ + return *(&mX + idx); +} + +inline float Point3::operator []( int idx ) const +{ + return *(&mX + idx); +} + +inline const Vector3 Point3::operator -( const Point3 & pnt ) const +{ + return Vector3( + ( mX - pnt.mX ), + ( mY - pnt.mY ), + ( mZ - pnt.mZ ) + ); +} + +inline const Point3 Point3::operator +( const Vector3 & vec ) const +{ + return Point3( + ( mX + vec.getX() ), + ( mY + vec.getY() ), + ( mZ + vec.getZ() ) + ); +} + +inline const Point3 Point3::operator -( const Vector3 & vec ) const +{ + return Point3( + ( mX - vec.getX() ), + ( mY - vec.getY() ), + ( mZ - vec.getZ() ) + ); +} + +inline Point3 & Point3::operator +=( const Vector3 & vec ) +{ + *this = *this + vec; + return *this; +} + +inline Point3 & Point3::operator -=( const Vector3 & vec ) +{ + *this = *this - vec; + return *this; +} + +inline const Point3 mulPerElem( const Point3 & pnt0, const Point3 & pnt1 ) +{ + return Point3( + ( pnt0.getX() * pnt1.getX() ), + ( pnt0.getY() * pnt1.getY() ), + ( pnt0.getZ() * pnt1.getZ() ) + ); +} + +inline const Point3 divPerElem( const Point3 & pnt0, const Point3 & pnt1 ) +{ + return Point3( + ( pnt0.getX() / pnt1.getX() ), + ( pnt0.getY() / pnt1.getY() ), + ( pnt0.getZ() / pnt1.getZ() ) + ); +} + +inline const Point3 recipPerElem( const Point3 & pnt ) +{ + return Point3( + ( 1.0f / pnt.getX() ), + ( 1.0f / pnt.getY() ), + ( 1.0f / pnt.getZ() ) + ); +} + +inline const Point3 sqrtPerElem( const Point3 & pnt ) +{ + return Point3( + sqrtf( pnt.getX() ), + sqrtf( pnt.getY() ), + sqrtf( pnt.getZ() ) + ); +} + +inline const Point3 rsqrtPerElem( const Point3 & pnt ) +{ + return Point3( + ( 1.0f / sqrtf( pnt.getX() ) ), + ( 1.0f / sqrtf( pnt.getY() ) ), + ( 1.0f / sqrtf( pnt.getZ() ) ) + ); +} + +inline const Point3 absPerElem( const Point3 & pnt ) +{ + return Point3( + fabsf( pnt.getX() ), + fabsf( pnt.getY() ), + fabsf( pnt.getZ() ) + ); +} + +inline const Point3 copySignPerElem( const Point3 & pnt0, const Point3 & pnt1 ) +{ + return Point3( + ( pnt1.getX() < 0.0f )? -fabsf( pnt0.getX() ) : fabsf( pnt0.getX() ), + ( pnt1.getY() < 0.0f )? -fabsf( pnt0.getY() ) : fabsf( pnt0.getY() ), + ( pnt1.getZ() < 0.0f )? -fabsf( pnt0.getZ() ) : fabsf( pnt0.getZ() ) + ); +} + +inline const Point3 maxPerElem( const Point3 & pnt0, const Point3 & pnt1 ) +{ + return Point3( + (pnt0.getX() > pnt1.getX())? pnt0.getX() : pnt1.getX(), + (pnt0.getY() > pnt1.getY())? pnt0.getY() : pnt1.getY(), + (pnt0.getZ() > pnt1.getZ())? pnt0.getZ() : pnt1.getZ() + ); +} + +inline float maxElem( const Point3 & pnt ) +{ + float result; + result = (pnt.getX() > pnt.getY())? pnt.getX() : pnt.getY(); + result = (pnt.getZ() > result)? pnt.getZ() : result; + return result; +} + +inline const Point3 minPerElem( const Point3 & pnt0, const Point3 & pnt1 ) +{ + return Point3( + (pnt0.getX() < pnt1.getX())? pnt0.getX() : pnt1.getX(), + (pnt0.getY() < pnt1.getY())? pnt0.getY() : pnt1.getY(), + (pnt0.getZ() < pnt1.getZ())? pnt0.getZ() : pnt1.getZ() + ); +} + +inline float minElem( const Point3 & pnt ) +{ + float result; + result = (pnt.getX() < pnt.getY())? pnt.getX() : pnt.getY(); + result = (pnt.getZ() < result)? pnt.getZ() : result; + return result; +} + +inline float sum( const Point3 & pnt ) +{ + float result; + result = ( pnt.getX() + pnt.getY() ); + result = ( result + pnt.getZ() ); + return result; +} + +inline const Point3 scale( const Point3 & pnt, float scaleVal ) +{ + return mulPerElem( pnt, Point3( scaleVal ) ); +} + +inline const Point3 scale( const Point3 & pnt, const Vector3 & scaleVec ) +{ + return mulPerElem( pnt, Point3( scaleVec ) ); +} + +inline float projection( const Point3 & pnt, const Vector3 & unitVec ) +{ + float result; + result = ( pnt.getX() * unitVec.getX() ); + result = ( result + ( pnt.getY() * unitVec.getY() ) ); + result = ( result + ( pnt.getZ() * unitVec.getZ() ) ); + return result; +} + +inline float distSqrFromOrigin( const Point3 & pnt ) +{ + return lengthSqr( Vector3( pnt ) ); +} + +inline float distFromOrigin( const Point3 & pnt ) +{ + return length( Vector3( pnt ) ); +} + +inline float distSqr( const Point3 & pnt0, const Point3 & pnt1 ) +{ + return lengthSqr( ( pnt1 - pnt0 ) ); +} + +inline float dist( const Point3 & pnt0, const Point3 & pnt1 ) +{ + return length( ( pnt1 - pnt0 ) ); +} + +inline const Point3 select( const Point3 & pnt0, const Point3 & pnt1, bool select1 ) +{ + return Point3( + ( select1 )? pnt1.getX() : pnt0.getX(), + ( select1 )? pnt1.getY() : pnt0.getY(), + ( select1 )? pnt1.getZ() : pnt0.getZ() + ); +} + +#ifdef _VECTORMATH_DEBUG + +inline void print( const Point3 & pnt ) +{ + printf( "( %f %f %f )\n", pnt.getX(), pnt.getY(), pnt.getZ() ); +} + +inline void print( const Point3 & pnt, const char * name ) +{ + printf( "%s: ( %f %f %f )\n", name, pnt.getX(), pnt.getY(), pnt.getZ() ); +} + +#endif + +} // namespace Aos +} // namespace Vectormath + +#endif |