diff options
Diffstat (limited to 'thirdparty')
-rw-r--r-- | thirdparty/README.md | 2 | ||||
-rw-r--r-- | thirdparty/assimp/code/res/resource.h | 14 | ||||
-rw-r--r-- | thirdparty/cvtt/LICENSE.txt | 88 | ||||
-rw-r--r-- | thirdparty/misc/clipper-exceptions.patch | 154 | ||||
-rw-r--r-- | thirdparty/misc/clipper.cpp | 68 | ||||
-rw-r--r-- | thirdparty/xatlas/xatlas.cpp | 44 |
6 files changed, 271 insertions, 99 deletions
diff --git a/thirdparty/README.md b/thirdparty/README.md index bc820634bb..732c08fdea 100644 --- a/thirdparty/README.md +++ b/thirdparty/README.md @@ -346,7 +346,7 @@ Collection of single-file libraries used in Godot components. * License: Public Domain - `clipper.{cpp,hpp}` * Upstream: https://sourceforge.net/projects/polyclipping - * Version: 6.4.2 + * Version: 6.4.2 + Godot changes (added optional exceptions handling) * License: BSL-1.0 - `fastlz.{c,h}` * Upstream: https://github.com/ariya/FastLZ diff --git a/thirdparty/assimp/code/res/resource.h b/thirdparty/assimp/code/res/resource.h deleted file mode 100644 index 37d39284fe..0000000000 --- a/thirdparty/assimp/code/res/resource.h +++ /dev/null @@ -1,14 +0,0 @@ -//{{NO_DEPENDENCIES}} -// Microsoft Visual C++ generated include file. -// Used by assimp.rc - -// Nächste Standardwerte für neue Objekte -// -#ifdef APSTUDIO_INVOKED -#ifndef APSTUDIO_READONLY_SYMBOLS -#define _APS_NEXT_RESOURCE_VALUE 101 -#define _APS_NEXT_COMMAND_VALUE 40001 -#define _APS_NEXT_CONTROL_VALUE 1001 -#define _APS_NEXT_SYMED_VALUE 101 -#endif -#endif diff --git a/thirdparty/cvtt/LICENSE.txt b/thirdparty/cvtt/LICENSE.txt index 6964f6e43f..d79aec44e3 100644 --- a/thirdparty/cvtt/LICENSE.txt +++ b/thirdparty/cvtt/LICENSE.txt @@ -1,45 +1,45 @@ -Convection Texture Tools Stand-Alone Kernels
-
-Copyright (c) 2018 Eric Lasota
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject
-to the following conditions:
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-**************************************************************************
-
-Based on DirectX Texture Library
-
-Copyright (c) 2018 Microsoft Corp
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of this
-software and associated documentation files (the "Software"), to deal in the Software
-without restriction, including without limitation the rights to use, copy, modify,
-merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to the following
-conditions:
-
-The above copyright notice and this permission notice shall be included in all copies
-or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
-INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
-PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
-CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
+Convection Texture Tools Stand-Alone Kernels + +Copyright (c) 2018 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +************************************************************************** + +Based on DirectX Texture Library + +Copyright (c) 2018 Microsoft Corp + +Permission is hereby granted, free of charge, to any person obtaining a copy of this +software and associated documentation files (the "Software"), to deal in the Software +without restriction, including without limitation the rights to use, copy, modify, +merge, publish, distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be included in all copies +or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, +INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A +PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF +CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file diff --git a/thirdparty/misc/clipper-exceptions.patch b/thirdparty/misc/clipper-exceptions.patch new file mode 100644 index 0000000000..537afd59b3 --- /dev/null +++ b/thirdparty/misc/clipper-exceptions.patch @@ -0,0 +1,154 @@ +diff --git a/thirdparty/misc/clipper.cpp b/thirdparty/misc/clipper.cpp +index 8c3a59c4ca..c67045d113 100644 +--- a/thirdparty/misc/clipper.cpp ++++ b/thirdparty/misc/clipper.cpp +@@ -48,6 +48,38 @@ + #include <ostream> + #include <functional> + ++//Explicitly disables exceptions handling for target platform ++//#define CLIPPER_NOEXCEPTION ++ ++#define CLIPPER_THROW(exception) std::abort() ++#define CLIPPER_TRY if(true) ++#define CLIPPER_CATCH(exception) if(false) ++ ++#if defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND) ++ #ifndef CLIPPER_NOEXCEPTION ++ #undef CLIPPER_THROW ++ #define CLIPPER_THROW(exception) throw exception ++ #undef CLIPPER_TRY ++ #define CLIPPER_TRY try ++ #undef CLIPPER_CATCH ++ #define CLIPPER_CATCH(exception) catch(exception) ++ #endif ++#endif ++ ++//Optionally allows to override exception macros ++#if defined(CLIPPER_THROW_USER) ++ #undef CLIPPER_THROW ++ #define CLIPPER_THROW CLIPPER_THROW_USER ++#endif ++#if defined(CLIPPER_TRY_USER) ++ #undef CLIPPER_TRY ++ #define CLIPPER_TRY CLIPPER_TRY_USER ++#endif ++#if defined(CLIPPER_CATCH_USER) ++ #undef CLIPPER_CATCH ++ #define CLIPPER_CATCH CLIPPER_CATCH_USER ++#endif ++ + namespace ClipperLib { + + static double const pi = 3.141592653589793238; +@@ -898,7 +930,7 @@ void RangeTest(const IntPoint& Pt, bool& useFullRange) + if (useFullRange) + { + if (Pt.X > hiRange || Pt.Y > hiRange || -Pt.X > hiRange || -Pt.Y > hiRange) +- throw clipperException("Coordinate outside allowed range"); ++ CLIPPER_THROW(clipperException("Coordinate outside allowed range")); + } + else if (Pt.X > loRange|| Pt.Y > loRange || -Pt.X > loRange || -Pt.Y > loRange) + { +@@ -1046,10 +1078,10 @@ bool ClipperBase::AddPath(const Path &pg, PolyType PolyTyp, bool Closed) + { + #ifdef use_lines + if (!Closed && PolyTyp == ptClip) +- throw clipperException("AddPath: Open paths must be subject."); ++ CLIPPER_THROW(clipperException("AddPath: Open paths must be subject.")); + #else + if (!Closed) +- throw clipperException("AddPath: Open paths have been disabled."); ++ CLIPPER_THROW(clipperException("AddPath: Open paths have been disabled.")); + #endif + + int highI = (int)pg.size() -1; +@@ -1062,7 +1094,7 @@ bool ClipperBase::AddPath(const Path &pg, PolyType PolyTyp, bool Closed) + + bool IsFlat = true; + //1. Basic (first) edge initialization ... +- try ++ CLIPPER_TRY + { + edges[1].Curr = pg[1]; + RangeTest(pg[0], m_UseFullRange); +@@ -1075,10 +1107,10 @@ bool ClipperBase::AddPath(const Path &pg, PolyType PolyTyp, bool Closed) + InitEdge(&edges[i], &edges[i+1], &edges[i-1], pg[i]); + } + } +- catch(...) ++ CLIPPER_CATCH(...) + { + delete [] edges; +- throw; //range test fails ++ CLIPPER_THROW(); //range test fails + } + TEdge *eStart = &edges[0]; + +@@ -1442,7 +1474,7 @@ void ClipperBase::SwapPositionsInAEL(TEdge *Edge1, TEdge *Edge2) + void ClipperBase::UpdateEdgeIntoAEL(TEdge *&e) + { + if (!e->NextInLML) +- throw clipperException("UpdateEdgeIntoAEL: invalid call"); ++ CLIPPER_THROW(clipperException("UpdateEdgeIntoAEL: invalid call")); + + e->NextInLML->OutIdx = e->OutIdx; + TEdge* AelPrev = e->PrevInAEL; +@@ -1510,7 +1542,7 @@ bool Clipper::Execute(ClipType clipType, Paths &solution, + { + if( m_ExecuteLocked ) return false; + if (m_HasOpenPaths) +- throw clipperException("Error: PolyTree struct is needed for open path clipping."); ++ CLIPPER_THROW(clipperException("Error: PolyTree struct is needed for open path clipping.")); + m_ExecuteLocked = true; + solution.resize(0); + m_SubjFillType = subjFillType; +@@ -1560,7 +1592,7 @@ void Clipper::FixHoleLinkage(OutRec &outrec) + bool Clipper::ExecuteInternal() + { + bool succeeded = true; +- try { ++ CLIPPER_TRY { + Reset(); + m_Maxima = MaximaList(); + m_SortedEdges = 0; +@@ -1583,7 +1615,7 @@ bool Clipper::ExecuteInternal() + InsertLocalMinimaIntoAEL(botY); + } + } +- catch(...) ++ CLIPPER_CATCH(...) + { + succeeded = false; + } +@@ -2827,18 +2859,18 @@ void Clipper::ProcessHorizontal(TEdge *horzEdge) + bool Clipper::ProcessIntersections(const cInt topY) + { + if( !m_ActiveEdges ) return true; +- try { ++ CLIPPER_TRY { + BuildIntersectList(topY); + size_t IlSize = m_IntersectList.size(); + if (IlSize == 0) return true; + if (IlSize == 1 || FixupIntersectionOrder()) ProcessIntersectList(); + else return false; + } +- catch(...) ++ CLIPPER_CATCH(...) + { + m_SortedEdges = 0; + DisposeIntersectNodes(); +- throw clipperException("ProcessIntersections error"); ++ CLIPPER_THROW(clipperException("ProcessIntersections error")); + } + m_SortedEdges = 0; + return true; +@@ -3002,7 +3034,7 @@ void Clipper::DoMaxima(TEdge *e) + DeleteFromAEL(eMaxPair); + } + #endif +- else throw clipperException("DoMaxima error"); ++ else CLIPPER_THROW(clipperException("DoMaxima error")); + } + //------------------------------------------------------------------------------ + diff --git a/thirdparty/misc/clipper.cpp b/thirdparty/misc/clipper.cpp index d3143fe5ab..c67045d113 100644 --- a/thirdparty/misc/clipper.cpp +++ b/thirdparty/misc/clipper.cpp @@ -48,6 +48,38 @@ #include <ostream> #include <functional> +//Explicitly disables exceptions handling for target platform +//#define CLIPPER_NOEXCEPTION + +#define CLIPPER_THROW(exception) std::abort() +#define CLIPPER_TRY if(true) +#define CLIPPER_CATCH(exception) if(false) + +#if defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND) + #ifndef CLIPPER_NOEXCEPTION + #undef CLIPPER_THROW + #define CLIPPER_THROW(exception) throw exception + #undef CLIPPER_TRY + #define CLIPPER_TRY try + #undef CLIPPER_CATCH + #define CLIPPER_CATCH(exception) catch(exception) + #endif +#endif + +//Optionally allows to override exception macros +#if defined(CLIPPER_THROW_USER) + #undef CLIPPER_THROW + #define CLIPPER_THROW CLIPPER_THROW_USER +#endif +#if defined(CLIPPER_TRY_USER) + #undef CLIPPER_TRY + #define CLIPPER_TRY CLIPPER_TRY_USER +#endif +#if defined(CLIPPER_CATCH_USER) + #undef CLIPPER_CATCH + #define CLIPPER_CATCH CLIPPER_CATCH_USER +#endif + namespace ClipperLib { static double const pi = 3.141592653589793238; @@ -898,7 +930,7 @@ void RangeTest(const IntPoint& Pt, bool& useFullRange) if (useFullRange) { if (Pt.X > hiRange || Pt.Y > hiRange || -Pt.X > hiRange || -Pt.Y > hiRange) - throw clipperException("Coordinate outside allowed range"); + CLIPPER_THROW(clipperException("Coordinate outside allowed range")); } else if (Pt.X > loRange|| Pt.Y > loRange || -Pt.X > loRange || -Pt.Y > loRange) { @@ -1046,10 +1078,10 @@ bool ClipperBase::AddPath(const Path &pg, PolyType PolyTyp, bool Closed) { #ifdef use_lines if (!Closed && PolyTyp == ptClip) - throw clipperException("AddPath: Open paths must be subject."); + CLIPPER_THROW(clipperException("AddPath: Open paths must be subject.")); #else if (!Closed) - throw clipperException("AddPath: Open paths have been disabled."); + CLIPPER_THROW(clipperException("AddPath: Open paths have been disabled.")); #endif int highI = (int)pg.size() -1; @@ -1062,7 +1094,7 @@ bool ClipperBase::AddPath(const Path &pg, PolyType PolyTyp, bool Closed) bool IsFlat = true; //1. Basic (first) edge initialization ... - try + CLIPPER_TRY { edges[1].Curr = pg[1]; RangeTest(pg[0], m_UseFullRange); @@ -1075,10 +1107,10 @@ bool ClipperBase::AddPath(const Path &pg, PolyType PolyTyp, bool Closed) InitEdge(&edges[i], &edges[i+1], &edges[i-1], pg[i]); } } - catch(...) + CLIPPER_CATCH(...) { delete [] edges; - throw; //range test fails + CLIPPER_THROW(); //range test fails } TEdge *eStart = &edges[0]; @@ -1442,7 +1474,7 @@ void ClipperBase::SwapPositionsInAEL(TEdge *Edge1, TEdge *Edge2) void ClipperBase::UpdateEdgeIntoAEL(TEdge *&e) { if (!e->NextInLML) - throw clipperException("UpdateEdgeIntoAEL: invalid call"); + CLIPPER_THROW(clipperException("UpdateEdgeIntoAEL: invalid call")); e->NextInLML->OutIdx = e->OutIdx; TEdge* AelPrev = e->PrevInAEL; @@ -1510,7 +1542,7 @@ bool Clipper::Execute(ClipType clipType, Paths &solution, { if( m_ExecuteLocked ) return false; if (m_HasOpenPaths) - throw clipperException("Error: PolyTree struct is needed for open path clipping."); + CLIPPER_THROW(clipperException("Error: PolyTree struct is needed for open path clipping.")); m_ExecuteLocked = true; solution.resize(0); m_SubjFillType = subjFillType; @@ -1560,7 +1592,7 @@ void Clipper::FixHoleLinkage(OutRec &outrec) bool Clipper::ExecuteInternal() { bool succeeded = true; - try { + CLIPPER_TRY { Reset(); m_Maxima = MaximaList(); m_SortedEdges = 0; @@ -1583,7 +1615,7 @@ bool Clipper::ExecuteInternal() InsertLocalMinimaIntoAEL(botY); } } - catch(...) + CLIPPER_CATCH(...) { succeeded = false; } @@ -2827,18 +2859,18 @@ void Clipper::ProcessHorizontal(TEdge *horzEdge) bool Clipper::ProcessIntersections(const cInt topY) { if( !m_ActiveEdges ) return true; - try { + CLIPPER_TRY { BuildIntersectList(topY); size_t IlSize = m_IntersectList.size(); if (IlSize == 0) return true; if (IlSize == 1 || FixupIntersectionOrder()) ProcessIntersectList(); else return false; } - catch(...) + CLIPPER_CATCH(...) { m_SortedEdges = 0; DisposeIntersectNodes(); - throw clipperException("ProcessIntersections error"); + CLIPPER_THROW(clipperException("ProcessIntersections error")); } m_SortedEdges = 0; return true; @@ -3002,7 +3034,7 @@ void Clipper::DoMaxima(TEdge *e) DeleteFromAEL(eMaxPair); } #endif - else throw clipperException("DoMaxima error"); + else CLIPPER_THROW(clipperException("DoMaxima error")); } //------------------------------------------------------------------------------ @@ -4329,10 +4361,10 @@ double DistanceFromLineSqrd( const IntPoint& pt, const IntPoint& ln1, const IntPoint& ln2) { //The equation of a line in general form (Ax + By + C = 0) - //given 2 points (x¹,y¹) & (x²,y²) is ... - //(y¹ - y²)x + (x² - x¹)y + (y² - y¹)x¹ - (x² - x¹)y¹ = 0 - //A = (y¹ - y²); B = (x² - x¹); C = (y² - y¹)x¹ - (x² - x¹)y¹ - //perpendicular distance of point (x³,y³) = (Ax³ + By³ + C)/Sqrt(A² + B²) + //given 2 points (x¹,y¹) & (x²,y²) is ... + //(y¹ - y²)x + (x² - x¹)y + (y² - y¹)x¹ - (x² - x¹)y¹ = 0 + //A = (y¹ - y²); B = (x² - x¹); C = (y² - y¹)x¹ - (x² - x¹)y¹ + //perpendicular distance of point (x³,y³) = (Ax³ + By³ + C)/Sqrt(A² + B²) //see http://en.wikipedia.org/wiki/Perpendicular_distance double A = double(ln1.Y - ln2.Y); double B = double(ln2.X - ln1.X); diff --git a/thirdparty/xatlas/xatlas.cpp b/thirdparty/xatlas/xatlas.cpp index eb0824a517..2cc2905eee 100644 --- a/thirdparty/xatlas/xatlas.cpp +++ b/thirdparty/xatlas/xatlas.cpp @@ -4388,7 +4388,7 @@ private: class Solver { public: - // Solve the symmetric system: At·A·x = At·b + // Solve the symmetric system: At·A·x = At·b static bool LeastSquaresSolver(const sparse::Matrix &A, const FullVector &b, FullVector &x, float epsilon = 1e-5f) { xaDebugAssert(A.width() == x.dimension()); @@ -4477,22 +4477,22 @@ private: * Gradient method. * * Solving sparse linear systems: - * (1) A·x = b + * (1) A·x = b * * The conjugate gradient algorithm solves (1) only in the case that A is * symmetric and positive definite. It is based on the idea of minimizing the * function * - * (2) f(x) = 1/2·x·A·x - b·x + * (2) f(x) = 1/2·x·A·x - b·x * * This function is minimized when its gradient * - * (3) df = A·x - b + * (3) df = A·x - b * * is zero, which is equivalent to (1). The minimization is carried out by * generating a succession of search directions p.k and improved minimizers x.k. - * At each stage a quantity alfa.k is found that minimizes f(x.k + alfa.k·p.k), - * and x.k+1 is set equal to the new point x.k + alfa.k·p.k. The p.k and x.k are + * At each stage a quantity alfa.k is found that minimizes f(x.k + alfa.k·p.k), + * and x.k+1 is set equal to the new point x.k + alfa.k·p.k. The p.k and x.k are * built up in such a way that x.k+1 is also the minimizer of f over the whole * vector space of directions already taken, {p.1, p.2, . . . , p.k}. After N * iterations you arrive at the minimizer over the entire vector space, i.e., the @@ -4520,7 +4520,7 @@ private: float delta_new; float alpha; float beta; - // r = b - A·x; + // r = b - A·x; sparse::copy(b, r); sparse::sgemv(-1, A, x, 1, r); // p = r; @@ -4529,24 +4529,24 @@ private: delta_0 = delta_new; while (i < i_max && delta_new > epsilon * epsilon * delta_0) { i++; - // q = A·p + // q = A·p mult(A, p, q); - // alpha = delta_new / p·q + // alpha = delta_new / p·q alpha = delta_new / sparse::dot( p, q ); - // x = alfa·p + x + // x = alfa·p + x sparse::saxpy(alpha, p, x); if ((i & 31) == 0) { // recompute r after 32 steps - // r = b - A·x + // r = b - A·x sparse::copy(b, r); sparse::sgemv(-1, A, x, 1, r); } else { - // r = r - alpha·q + // r = r - alpha·q sparse::saxpy(-alpha, q, r); } delta_old = delta_new; delta_new = sparse::dot( r, r ); beta = delta_new / delta_old; - // p = beta·p + r + // p = beta·p + r sparse::scal(beta, p); sparse::saxpy(1, r, p); } @@ -4572,35 +4572,35 @@ private: float delta_new; float alpha; float beta; - // r = b - A·x + // r = b - A·x sparse::copy(b, r); sparse::sgemv(-1, A, x, 1, r); - // p = M^-1 · r + // p = M^-1 · r preconditioner.apply(r, p); delta_new = sparse::dot(r, p); delta_0 = delta_new; while (i < i_max && delta_new > epsilon * epsilon * delta_0) { i++; - // q = A·p + // q = A·p mult(A, p, q); - // alpha = delta_new / p·q + // alpha = delta_new / p·q alpha = delta_new / sparse::dot(p, q); - // x = alfa·p + x + // x = alfa·p + x sparse::saxpy(alpha, p, x); if ((i & 31) == 0) { // recompute r after 32 steps - // r = b - A·x + // r = b - A·x sparse::copy(b, r); sparse::sgemv(-1, A, x, 1, r); } else { - // r = r - alfa·q + // r = r - alfa·q sparse::saxpy(-alpha, q, r); } - // s = M^-1 · r + // s = M^-1 · r preconditioner.apply(r, s); delta_old = delta_new; delta_new = sparse::dot( r, s ); beta = delta_new / delta_old; - // p = s + beta·p + // p = s + beta·p sparse::scal(beta, p); sparse::saxpy(1, s, p); } |