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-rw-r--r--thirdparty/embree-aarch64/common/math/linearspace2.h148
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diff --git a/thirdparty/embree-aarch64/common/math/linearspace2.h b/thirdparty/embree-aarch64/common/math/linearspace2.h
deleted file mode 100644
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--- a/thirdparty/embree-aarch64/common/math/linearspace2.h
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@@ -1,148 +0,0 @@
-// Copyright 2009-2020 Intel Corporation
-// SPDX-License-Identifier: Apache-2.0
-
-#pragma once
-
-#include "vec2.h"
-
-namespace embree
-{
- ////////////////////////////////////////////////////////////////////////////////
- /// 2D Linear Transform (2x2 Matrix)
- ////////////////////////////////////////////////////////////////////////////////
-
- template<typename T> struct LinearSpace2
- {
- typedef T Vector;
- typedef typename T::Scalar Scalar;
-
- /*! default matrix constructor */
- __forceinline LinearSpace2 ( ) {}
- __forceinline LinearSpace2 ( const LinearSpace2& other ) { vx = other.vx; vy = other.vy; }
- __forceinline LinearSpace2& operator=( const LinearSpace2& other ) { vx = other.vx; vy = other.vy; return *this; }
-
- template<typename L1> __forceinline LinearSpace2( const LinearSpace2<L1>& s ) : vx(s.vx), vy(s.vy) {}
-
- /*! matrix construction from column vectors */
- __forceinline LinearSpace2(const Vector& vx, const Vector& vy)
- : vx(vx), vy(vy) {}
-
- /*! matrix construction from row mayor data */
- __forceinline LinearSpace2(const Scalar& m00, const Scalar& m01,
- const Scalar& m10, const Scalar& m11)
- : vx(m00,m10), vy(m01,m11) {}
-
- /*! compute the determinant of the matrix */
- __forceinline const Scalar det() const { return vx.x*vy.y - vx.y*vy.x; }
-
- /*! compute adjoint matrix */
- __forceinline const LinearSpace2 adjoint() const { return LinearSpace2(vy.y,-vy.x,-vx.y,vx.x); }
-
- /*! compute inverse matrix */
- __forceinline const LinearSpace2 inverse() const { return adjoint()/det(); }
-
- /*! compute transposed matrix */
- __forceinline const LinearSpace2 transposed() const { return LinearSpace2(vx.x,vx.y,vy.x,vy.y); }
-
- /*! returns first row of matrix */
- __forceinline Vector row0() const { return Vector(vx.x,vy.x); }
-
- /*! returns second row of matrix */
- __forceinline Vector row1() const { return Vector(vx.y,vy.y); }
-
- ////////////////////////////////////////////////////////////////////////////////
- /// Constants
- ////////////////////////////////////////////////////////////////////////////////
-
- __forceinline LinearSpace2( ZeroTy ) : vx(zero), vy(zero) {}
- __forceinline LinearSpace2( OneTy ) : vx(one, zero), vy(zero, one) {}
-
- /*! return matrix for scaling */
- static __forceinline LinearSpace2 scale(const Vector& s) {
- return LinearSpace2(s.x, 0,
- 0 , s.y);
- }
-
- /*! return matrix for rotation */
- static __forceinline LinearSpace2 rotate(const Scalar& r) {
- Scalar s = sin(r), c = cos(r);
- return LinearSpace2(c, -s,
- s, c);
- }
-
- /*! return closest orthogonal matrix (i.e. a general rotation including reflection) */
- LinearSpace2 orthogonal() const
- {
- LinearSpace2 m = *this;
-
- // mirrored?
- Scalar mirror(one);
- if (m.det() < Scalar(zero)) {
- m.vx = -m.vx;
- mirror = -mirror;
- }
-
- // rotation
- for (int i = 0; i < 99; i++) {
- const LinearSpace2 m_next = 0.5 * (m + m.transposed().inverse());
- const LinearSpace2 d = m_next - m;
- m = m_next;
- // norm^2 of difference small enough?
- if (max(dot(d.vx, d.vx), dot(d.vy, d.vy)) < 1e-8)
- break;
- }
-
- // rotation * mirror_x
- return LinearSpace2(mirror*m.vx, m.vy);
- }
-
- public:
-
- /*! the column vectors of the matrix */
- Vector vx,vy;
- };
-
- ////////////////////////////////////////////////////////////////////////////////
- // Unary Operators
- ////////////////////////////////////////////////////////////////////////////////
-
- template<typename T> __forceinline LinearSpace2<T> operator -( const LinearSpace2<T>& a ) { return LinearSpace2<T>(-a.vx,-a.vy); }
- template<typename T> __forceinline LinearSpace2<T> operator +( const LinearSpace2<T>& a ) { return LinearSpace2<T>(+a.vx,+a.vy); }
- template<typename T> __forceinline LinearSpace2<T> rcp ( const LinearSpace2<T>& a ) { return a.inverse(); }
-
- ////////////////////////////////////////////////////////////////////////////////
- // Binary Operators
- ////////////////////////////////////////////////////////////////////////////////
-
- template<typename T> __forceinline LinearSpace2<T> operator +( const LinearSpace2<T>& a, const LinearSpace2<T>& b ) { return LinearSpace2<T>(a.vx+b.vx,a.vy+b.vy); }
- template<typename T> __forceinline LinearSpace2<T> operator -( const LinearSpace2<T>& a, const LinearSpace2<T>& b ) { return LinearSpace2<T>(a.vx-b.vx,a.vy-b.vy); }
-
- template<typename T> __forceinline LinearSpace2<T> operator*(const typename T::Scalar & a, const LinearSpace2<T>& b) { return LinearSpace2<T>(a*b.vx, a*b.vy); }
- template<typename T> __forceinline T operator*(const LinearSpace2<T>& a, const T & b) { return b.x*a.vx + b.y*a.vy; }
- template<typename T> __forceinline LinearSpace2<T> operator*(const LinearSpace2<T>& a, const LinearSpace2<T>& b) { return LinearSpace2<T>(a*b.vx, a*b.vy); }
-
- template<typename T> __forceinline LinearSpace2<T> operator/(const LinearSpace2<T>& a, const typename T::Scalar & b) { return LinearSpace2<T>(a.vx/b, a.vy/b); }
- template<typename T> __forceinline LinearSpace2<T> operator/(const LinearSpace2<T>& a, const LinearSpace2<T>& b) { return a * rcp(b); }
-
- template<typename T> __forceinline LinearSpace2<T>& operator *=( LinearSpace2<T>& a, const LinearSpace2<T>& b ) { return a = a * b; }
- template<typename T> __forceinline LinearSpace2<T>& operator /=( LinearSpace2<T>& a, const LinearSpace2<T>& b ) { return a = a / b; }
-
- ////////////////////////////////////////////////////////////////////////////////
- /// Comparison Operators
- ////////////////////////////////////////////////////////////////////////////////
-
- template<typename T> __forceinline bool operator ==( const LinearSpace2<T>& a, const LinearSpace2<T>& b ) { return a.vx == b.vx && a.vy == b.vy; }
- template<typename T> __forceinline bool operator !=( const LinearSpace2<T>& a, const LinearSpace2<T>& b ) { return a.vx != b.vx || a.vy != b.vy; }
-
- ////////////////////////////////////////////////////////////////////////////////
- /// Output Operators
- ////////////////////////////////////////////////////////////////////////////////
-
- template<typename T> static embree_ostream operator<<(embree_ostream cout, const LinearSpace2<T>& m) {
- return cout << "{ vx = " << m.vx << ", vy = " << m.vy << "}";
- }
-
- /*! Shortcuts for common linear spaces. */
- typedef LinearSpace2<Vec2f> LinearSpace2f;
- typedef LinearSpace2<Vec2fa> LinearSpace2fa;
-}