Mercurial > octave
view liboctave/array/dNDArray.h @ 31248:8b75954a4670
delaunayn: adjust node ordering for positive outward normal vectors (bug #53397)
* delaunayn.m: Check sign of simplex volume, flip node order for negative
volumes to ensure positive (outward-pointing) normal vectors. Add BISTs to
check for positive volumes.
* etc/News.8.md: Append function improvement note to delaunayn change
paragraph under General Improvements.
author | Nicholas R. Jankowski <jankowski.nicholas@gmail.com> |
---|---|
date | Thu, 29 Sep 2022 23:09:05 -0400 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2022 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_dNDArray_h) #define octave_dNDArray_h 1 #include "octave-config.h" #include "intNDArray-fwd.h" #include "MArray.h" #include "bsxfun-decl.h" #include "mx-defs.h" #include "mx-op-decl.h" class OCTAVE_API NDArray : public MArray<double> { public: NDArray (void) : MArray<double> () { } NDArray (const dim_vector& dv) : MArray<double> (dv) { } NDArray (const dim_vector& dv, double val) : MArray<double> (dv, val) { } NDArray (const NDArray& a) : MArray<double> (a) { } NDArray (const Array<octave_idx_type>& a, bool zero_based = false, bool negative_to_nan = false); template <typename U> NDArray (const MArray<U>& a) : MArray<double> (a) { } template <typename U> NDArray (const Array<U>& a) : MArray<double> (a) { } template <typename U> explicit NDArray (const intNDArray<U>& a) : MArray<double> (a) { } NDArray (const charNDArray&); NDArray& operator = (const NDArray& a) { MArray<double>::operator = (a); return *this; } // unary operations OCTAVE_API boolNDArray operator ! (void) const; OCTAVE_API bool any_element_is_negative (bool = false) const; OCTAVE_API bool any_element_is_positive (bool = false) const; OCTAVE_API bool any_element_is_nan (void) const; OCTAVE_API bool any_element_is_inf_or_nan (void) const; OCTAVE_API bool any_element_not_one_or_zero (void) const; OCTAVE_API bool all_elements_are_zero (void) const; OCTAVE_API bool all_elements_are_int_or_inf_or_nan (void) const; OCTAVE_API bool all_integers (double& max_val, double& min_val) const; OCTAVE_API bool all_integers (void) const; OCTAVE_API bool too_large_for_float (void) const; // FIXME: this is not quite the right thing. OCTAVE_API boolNDArray all (int dim = -1) const; OCTAVE_API boolNDArray any (int dim = -1) const; OCTAVE_API NDArray cumprod (int dim = -1) const; OCTAVE_API NDArray cumsum (int dim = -1) const; OCTAVE_API NDArray prod (int dim = -1) const; OCTAVE_API NDArray sum (int dim = -1) const; OCTAVE_API NDArray xsum (int dim = -1) const; OCTAVE_API NDArray sumsq (int dim = -1) const; OCTAVE_API NDArray concat (const NDArray& rb, const Array<octave_idx_type>& ra_idx); OCTAVE_API ComplexNDArray concat (const ComplexNDArray& rb, const Array<octave_idx_type>& ra_idx); OCTAVE_API charNDArray concat (const charNDArray& rb, const Array<octave_idx_type>& ra_idx); OCTAVE_API NDArray max (int dim = -1) const; OCTAVE_API NDArray max (Array<octave_idx_type>& index, int dim = -1) const; OCTAVE_API NDArray min (int dim = -1) const; OCTAVE_API NDArray min (Array<octave_idx_type>& index, int dim = -1) const; OCTAVE_API NDArray cummax (int dim = -1) const; OCTAVE_API NDArray cummax (Array<octave_idx_type>& index, int dim = -1) const; OCTAVE_API NDArray cummin (int dim = -1) const; OCTAVE_API NDArray cummin (Array<octave_idx_type>& index, int dim = -1) const; OCTAVE_API NDArray diff (octave_idx_type order = 1, int dim = -1) const; OCTAVE_API NDArray& insert (const NDArray& a, octave_idx_type r, octave_idx_type c); OCTAVE_API NDArray& insert (const NDArray& a, const Array<octave_idx_type>& ra_idx); OCTAVE_API NDArray abs (void) const; OCTAVE_API boolNDArray isnan (void) const; OCTAVE_API boolNDArray isinf (void) const; OCTAVE_API boolNDArray isfinite (void) const; OCTAVE_API ComplexNDArray fourier (int dim = 1) const; OCTAVE_API ComplexNDArray ifourier (int dim = 1) const; OCTAVE_API ComplexNDArray fourier2d (void) const; OCTAVE_API ComplexNDArray ifourier2d (void) const; OCTAVE_API ComplexNDArray fourierNd (void) const; OCTAVE_API ComplexNDArray ifourierNd (void) const; friend OCTAVE_API NDArray real (const ComplexNDArray& a); friend OCTAVE_API NDArray imag (const ComplexNDArray& a); friend class ComplexNDArray; NDArray squeeze (void) const { return MArray<double>::squeeze (); } static OCTAVE_API void increment_index (Array<octave_idx_type>& ra_idx, const dim_vector& dimensions, int start_dimension = 0); static OCTAVE_API octave_idx_type compute_index (Array<octave_idx_type>& ra_idx, const dim_vector& dimensions); // i/o friend OCTAVE_API std::ostream& operator << (std::ostream& os, const NDArray& a); friend OCTAVE_API std::istream& operator >> (std::istream& is, NDArray& a); OCTAVE_API NDArray diag (octave_idx_type k = 0) const; OCTAVE_API NDArray diag (octave_idx_type m, octave_idx_type n) const; NDArray& changesign (void) { MArray<double>::changesign (); return *this; } }; // Publish externally used friend functions. extern OCTAVE_API NDArray real (const ComplexNDArray& a); extern OCTAVE_API NDArray imag (const ComplexNDArray& a); MINMAX_DECLS (NDArray, double, OCTAVE_API) NDS_CMP_OP_DECLS (NDArray, double, OCTAVE_API) NDS_BOOL_OP_DECLS (NDArray, double, OCTAVE_API) SND_CMP_OP_DECLS (double, NDArray, OCTAVE_API) SND_BOOL_OP_DECLS (double, NDArray, OCTAVE_API) NDND_CMP_OP_DECLS (NDArray, NDArray, OCTAVE_API) NDND_BOOL_OP_DECLS (NDArray, NDArray, OCTAVE_API) MARRAY_FORWARD_DEFS (MArray, NDArray, double) BSXFUN_STDOP_DECLS (NDArray, OCTAVE_API) BSXFUN_STDREL_DECLS (NDArray, OCTAVE_API) BSXFUN_OP_DECL (pow, NDArray, OCTAVE_API) BSXFUN_OP2_DECL (pow, ComplexNDArray, ComplexNDArray, NDArray, OCTAVE_API) BSXFUN_OP2_DECL (pow, ComplexNDArray, NDArray, ComplexNDArray, OCTAVE_API) #endif