Mercurial > octave
view liboctave/array/fDiagMatrix.h @ 31130:0c637fa9529a
build: Search for python executable with multiple names (bug #62372)
* m4/acinclude.m4 (OCTAVE_PROG_PYTHON): Switch to AC_CHECK_PROGS and search for
a range of possible names for python executable.
author | Rik <rik@octave.org> |
---|---|
date | Sat, 09 Jul 2022 09:58:02 -0700 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1994-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if ! defined (octave_fDiagMatrix_h) #define octave_fDiagMatrix_h 1 #include "octave-config.h" #include "DET.h" #include "MDiagArray2.h" #include "fColVector.h" #include "fRowVector.h" #include "mx-defs.h" class OCTAVE_API FloatDiagMatrix : public MDiagArray2<float> { public: typedef FloatMatrix full_matrix_type; FloatDiagMatrix (void) = default; FloatDiagMatrix (const FloatDiagMatrix& a) = default; FloatDiagMatrix& operator = (const FloatDiagMatrix& a) = default; ~FloatDiagMatrix (void) = default; FloatDiagMatrix (octave_idx_type r, octave_idx_type c) : MDiagArray2<float> (r, c) { } FloatDiagMatrix (octave_idx_type r, octave_idx_type c, float val) : MDiagArray2<float> (r, c, val) { } FloatDiagMatrix (const MDiagArray2<float>& a) : MDiagArray2<float> (a) { } template <typename U> FloatDiagMatrix (const DiagArray2<U>& a) : MDiagArray2<float> (a) { } explicit FloatDiagMatrix (const Array<double>& a) : MDiagArray2<float> (a) { } FloatDiagMatrix (const Array<float>& a, octave_idx_type r, octave_idx_type c) : MDiagArray2<float> (a, r, c) { } OCTAVE_API bool operator == (const FloatDiagMatrix& a) const; OCTAVE_API bool operator != (const FloatDiagMatrix& a) const; OCTAVE_API FloatDiagMatrix& fill (float val); OCTAVE_API FloatDiagMatrix& fill (float val, octave_idx_type beg, octave_idx_type end); OCTAVE_API FloatDiagMatrix& fill (const FloatColumnVector& a); OCTAVE_API FloatDiagMatrix& fill (const FloatRowVector& a); OCTAVE_API FloatDiagMatrix& fill (const FloatColumnVector& a, octave_idx_type beg); OCTAVE_API FloatDiagMatrix& fill (const FloatRowVector& a, octave_idx_type beg); FloatDiagMatrix transpose (void) const { return MDiagArray2<float>::transpose (); } OCTAVE_API FloatDiagMatrix abs (void) const; friend OCTAVE_API FloatDiagMatrix real (const FloatComplexDiagMatrix& a); friend OCTAVE_API FloatDiagMatrix imag (const FloatComplexDiagMatrix& a); // resize is the destructive analog for this one OCTAVE_API FloatMatrix extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const; // extract row or column i. OCTAVE_API FloatRowVector row (octave_idx_type i) const; OCTAVE_API FloatRowVector row (char *s) const; OCTAVE_API FloatColumnVector column (octave_idx_type i) const; OCTAVE_API FloatColumnVector column (char *s) const; OCTAVE_API FloatDiagMatrix inverse (void) const; OCTAVE_API FloatDiagMatrix inverse (octave_idx_type& info) const; OCTAVE_API FloatDiagMatrix pseudo_inverse (float tol = 0.0f) const; // other operations FloatColumnVector extract_diag (octave_idx_type k = 0) const { return MDiagArray2<float>::extract_diag (k); } OCTAVE_API FloatDET determinant (void) const; OCTAVE_API float rcond (void) const; // i/o friend OCTAVE_API std::ostream& operator << (std::ostream& os, const FloatDiagMatrix& a); }; OCTAVE_API FloatDiagMatrix real (const FloatComplexDiagMatrix& a); OCTAVE_API FloatDiagMatrix imag (const FloatComplexDiagMatrix& a); // diagonal matrix by diagonal matrix -> diagonal matrix operations OCTAVE_API FloatDiagMatrix operator * (const FloatDiagMatrix& a, const FloatDiagMatrix& b); MDIAGARRAY2_FORWARD_DEFS (MDiagArray2, FloatDiagMatrix, float) #endif