Mercurial > octave
view liboctave/array/CNDArray.cc @ 30564:796f54d4ddbf stable
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2021.
In all .txi and .texi files except gpl.txi and gpl.texi in the
doc/liboctave and doc/interpreter directories, change the copyright
to "Octave Project Developers", the same as used for other source
files. Update copyright notices for 2022 (not done since 2019). For
gpl.txi and gpl.texi, change the copyright notice to be "Free Software
Foundation, Inc." and leave the date at 2007 only because this file
only contains the text of the GPL, not anything created by the Octave
Project Developers.
Add Paul Thomas to contributors.in.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 28 Dec 2021 18:22:40 -0500 |
parents | da7210e30f3e |
children | 597f3ee61a48 |
line wrap: on
line source
//////////////////////////////////////////////////////////////////////// // // 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 (HAVE_CONFIG_H) # include "config.h" #endif #include <complex> #include <istream> #include <ostream> #include "Array-util.h" #include "CNDArray.h" #include "f77-fcn.h" #include "lo-ieee.h" #include "lo-mappers.h" #include "mx-base.h" #include "mx-cnda-s.h" #include "mx-op-defs.h" #include "oct-fftw.h" #include "oct-locbuf.h" #include "bsxfun-defs.cc" ComplexNDArray::ComplexNDArray (const charNDArray& a) : MArray<Complex> (a.dims ()) { octave_idx_type n = a.numel (); for (octave_idx_type i = 0; i < n; i++) xelem (i) = static_cast<unsigned char> (a(i)); } #if defined (HAVE_FFTW) ComplexNDArray ComplexNDArray::fourier (int dim) const { dim_vector dv = dims (); if (dim > dv.ndims () || dim < 0) return ComplexNDArray (); octave_idx_type stride = 1; octave_idx_type n = dv(dim); for (int i = 0; i < dim; i++) stride *= dv(i); octave_idx_type howmany = numel () / dv(dim); howmany = (stride == 1 ? howmany : (howmany > stride ? stride : howmany)); octave_idx_type nloop = (stride == 1 ? 1 : numel () / dv(dim) / stride); octave_idx_type dist = (stride == 1 ? n : 1); const Complex *in (data ()); ComplexNDArray retval (dv); Complex *out (retval.fortran_vec ()); // Need to be careful here about the distance between fft's for (octave_idx_type k = 0; k < nloop; k++) octave::fftw::fft (in + k * stride * n, out + k * stride * n, n, howmany, stride, dist); return retval; } ComplexNDArray ComplexNDArray::ifourier (int dim) const { dim_vector dv = dims (); if (dim > dv.ndims () || dim < 0) return ComplexNDArray (); octave_idx_type stride = 1; octave_idx_type n = dv(dim); for (int i = 0; i < dim; i++) stride *= dv(i); octave_idx_type howmany = numel () / dv(dim); howmany = (stride == 1 ? howmany : (howmany > stride ? stride : howmany)); octave_idx_type nloop = (stride == 1 ? 1 : numel () / dv(dim) / stride); octave_idx_type dist = (stride == 1 ? n : 1); const Complex *in (data ()); ComplexNDArray retval (dv); Complex *out (retval.fortran_vec ()); // Need to be careful here about the distance between fft's for (octave_idx_type k = 0; k < nloop; k++) octave::fftw::ifft (in + k * stride * n, out + k * stride * n, n, howmany, stride, dist); return retval; } ComplexNDArray ComplexNDArray::fourier2d (void) const { dim_vector dv = dims (); if (dv.ndims () < 2) return ComplexNDArray (); dim_vector dv2 (dv(0), dv(1)); const Complex *in = data (); ComplexNDArray retval (dv); Complex *out = retval.fortran_vec (); octave_idx_type howmany = numel () / dv(0) / dv(1); octave_idx_type dist = dv(0) * dv(1); for (octave_idx_type i=0; i < howmany; i++) octave::fftw::fftNd (in + i*dist, out + i*dist, 2, dv2); return retval; } ComplexNDArray ComplexNDArray::ifourier2d (void) const { dim_vector dv = dims (); if (dv.ndims () < 2) return ComplexNDArray (); dim_vector dv2 (dv(0), dv(1)); const Complex *in = data (); ComplexNDArray retval (dv); Complex *out = retval.fortran_vec (); octave_idx_type howmany = numel () / dv(0) / dv(1); octave_idx_type dist = dv(0) * dv(1); for (octave_idx_type i=0; i < howmany; i++) octave::fftw::ifftNd (in + i*dist, out + i*dist, 2, dv2); return retval; } ComplexNDArray ComplexNDArray::fourierNd (void) const { dim_vector dv = dims (); int rank = dv.ndims (); const Complex *in (data ()); ComplexNDArray retval (dv); Complex *out (retval.fortran_vec ()); octave::fftw::fftNd (in, out, rank, dv); return retval; } ComplexNDArray ComplexNDArray::ifourierNd (void) const { dim_vector dv = dims (); int rank = dv.ndims (); const Complex *in (data ()); ComplexNDArray retval (dv); Complex *out (retval.fortran_vec ()); octave::fftw::ifftNd (in, out, rank, dv); return retval; } #else ComplexNDArray ComplexNDArray::fourier (int dim) const { octave_unused_parameter (dim); (*current_liboctave_error_handler) ("support for FFTW was unavailable or disabled when liboctave was built"); return ComplexNDArray (); } ComplexNDArray ComplexNDArray::ifourier (int dim) const { octave_unused_parameter (dim); (*current_liboctave_error_handler) ("support for FFTW was unavailable or disabled when liboctave was built"); return ComplexNDArray (); } ComplexNDArray ComplexNDArray::fourier2d (void) const { (*current_liboctave_error_handler) ("support for FFTW was unavailable or disabled when liboctave was built"); return ComplexNDArray (); } ComplexNDArray ComplexNDArray::ifourier2d (void) const { (*current_liboctave_error_handler) ("support for FFTW was unavailable or disabled when liboctave was built"); return ComplexNDArray (); } ComplexNDArray ComplexNDArray::fourierNd (void) const { (*current_liboctave_error_handler) ("support for FFTW was unavailable or disabled when liboctave was built"); return ComplexNDArray (); } ComplexNDArray ComplexNDArray::ifourierNd (void) const { (*current_liboctave_error_handler) ("support for FFTW was unavailable or disabled when liboctave was built"); return ComplexNDArray (); } #endif // unary operations boolNDArray ComplexNDArray::operator ! (void) const { if (any_element_is_nan ()) octave::err_nan_to_logical_conversion (); return do_mx_unary_op<bool, Complex> (*this, mx_inline_not); } // FIXME: this is not quite the right thing. bool ComplexNDArray::any_element_is_nan (void) const { return do_mx_check<Complex> (*this, mx_inline_any_nan); } bool ComplexNDArray::any_element_is_inf_or_nan (void) const { return ! do_mx_check<Complex> (*this, mx_inline_all_finite); } // Return true if no elements have imaginary components. bool ComplexNDArray::all_elements_are_real (void) const { return do_mx_check<Complex> (*this, mx_inline_all_real); } // Return nonzero if any element of CM has a non-integer real or // imaginary part. Also extract the largest and smallest (real or // imaginary) values and return them in MAX_VAL and MIN_VAL. bool ComplexNDArray::all_integers (double& max_val, double& min_val) const { octave_idx_type nel = numel (); if (nel > 0) { Complex val = elem (0); double r_val = val.real (); double i_val = val.imag (); max_val = r_val; min_val = r_val; if (i_val > max_val) max_val = i_val; if (i_val < max_val) min_val = i_val; } else return false; for (octave_idx_type i = 0; i < nel; i++) { Complex val = elem (i); double r_val = val.real (); double i_val = val.imag (); if (r_val > max_val) max_val = r_val; if (i_val > max_val) max_val = i_val; if (r_val < min_val) min_val = r_val; if (i_val < min_val) min_val = i_val; if (octave::math::x_nint (r_val) != r_val || octave::math::x_nint (i_val) != i_val) return false; } return true; } bool ComplexNDArray::too_large_for_float (void) const { return test_any (octave::too_large_for_float); } boolNDArray ComplexNDArray::all (int dim) const { return do_mx_red_op<bool, Complex> (*this, dim, mx_inline_all); } boolNDArray ComplexNDArray::any (int dim) const { return do_mx_red_op<bool, Complex> (*this, dim, mx_inline_any); } ComplexNDArray ComplexNDArray::cumprod (int dim) const { return do_mx_cum_op<Complex, Complex> (*this, dim, mx_inline_cumprod); } ComplexNDArray ComplexNDArray::cumsum (int dim) const { return do_mx_cum_op<Complex, Complex> (*this, dim, mx_inline_cumsum); } ComplexNDArray ComplexNDArray::prod (int dim) const { return do_mx_red_op<Complex, Complex> (*this, dim, mx_inline_prod); } ComplexNDArray ComplexNDArray::sum (int dim) const { return do_mx_red_op<Complex, Complex> (*this, dim, mx_inline_sum); } ComplexNDArray ComplexNDArray::xsum (int dim) const { return do_mx_red_op<Complex, Complex> (*this, dim, mx_inline_xsum); } ComplexNDArray ComplexNDArray::sumsq (int dim) const { return do_mx_red_op<double, Complex> (*this, dim, mx_inline_sumsq); } ComplexNDArray ComplexNDArray::diff (octave_idx_type order, int dim) const { return do_mx_diff_op<Complex> (*this, dim, order, mx_inline_diff); } ComplexNDArray ComplexNDArray::concat (const ComplexNDArray& rb, const Array<octave_idx_type>& ra_idx) { if (rb.numel () > 0) insert (rb, ra_idx); return *this; } ComplexNDArray ComplexNDArray::concat (const NDArray& rb, const Array<octave_idx_type>& ra_idx) { ComplexNDArray tmp (rb); if (rb.numel () > 0) insert (tmp, ra_idx); return *this; } ComplexNDArray concat (NDArray& ra, ComplexNDArray& rb, const Array<octave_idx_type>& ra_idx) { ComplexNDArray retval (ra); if (rb.numel () > 0) retval.insert (rb, ra_idx); return retval; } static const Complex Complex_NaN_result (octave::numeric_limits<double>::NaN (), octave::numeric_limits<double>::NaN ()); ComplexNDArray ComplexNDArray::max (int dim) const { return do_mx_minmax_op<Complex> (*this, dim, mx_inline_max); } ComplexNDArray ComplexNDArray::max (Array<octave_idx_type>& idx_arg, int dim) const { return do_mx_minmax_op<Complex> (*this, idx_arg, dim, mx_inline_max); } ComplexNDArray ComplexNDArray::min (int dim) const { return do_mx_minmax_op<Complex> (*this, dim, mx_inline_min); } ComplexNDArray ComplexNDArray::min (Array<octave_idx_type>& idx_arg, int dim) const { return do_mx_minmax_op<Complex> (*this, idx_arg, dim, mx_inline_min); } ComplexNDArray ComplexNDArray::cummax (int dim) const { return do_mx_cumminmax_op<Complex> (*this, dim, mx_inline_cummax); } ComplexNDArray ComplexNDArray::cummax (Array<octave_idx_type>& idx_arg, int dim) const { return do_mx_cumminmax_op<Complex> (*this, idx_arg, dim, mx_inline_cummax); } ComplexNDArray ComplexNDArray::cummin (int dim) const { return do_mx_cumminmax_op<Complex> (*this, dim, mx_inline_cummin); } ComplexNDArray ComplexNDArray::cummin (Array<octave_idx_type>& idx_arg, int dim) const { return do_mx_cumminmax_op<Complex> (*this, idx_arg, dim, mx_inline_cummin); } NDArray ComplexNDArray::abs (void) const { return do_mx_unary_map<double, Complex, std::abs> (*this); } boolNDArray ComplexNDArray::isnan (void) const { return do_mx_unary_map<bool, Complex, octave::math::isnan> (*this); } boolNDArray ComplexNDArray::isinf (void) const { return do_mx_unary_map<bool, Complex, octave::math::isinf> (*this); } boolNDArray ComplexNDArray::isfinite (void) const { return do_mx_unary_map<bool, Complex, octave::math::isfinite> (*this); } ComplexNDArray conj (const ComplexNDArray& a) { return do_mx_unary_map<Complex, Complex, std::conj<double>> (a); } ComplexNDArray& ComplexNDArray::insert (const NDArray& a, octave_idx_type r, octave_idx_type c) { dim_vector a_dv = a.dims (); dim_vector dv = dims (); int n = a_dv.ndims (); if (n != dv.ndims ()) (*current_liboctave_error_handler) ("Array<T>::insert: invalid indexing operation"); Array<octave_idx_type> a_ra_idx (dim_vector (a_dv.ndims (), 1), 0); a_ra_idx.elem (0) = r; a_ra_idx.elem (1) = c; for (int i = 0; i < n; i++) { if (a_ra_idx(i) < 0 || (a_ra_idx(i) + a_dv(i)) > dv(i)) (*current_liboctave_error_handler) ("Array<T>::insert: range error for insert"); } a_ra_idx.elem (0) = 0; a_ra_idx.elem (1) = 0; octave_idx_type n_elt = a.numel (); // IS make_unique () NECESSARY HERE? for (octave_idx_type i = 0; i < n_elt; i++) { Array<octave_idx_type> ra_idx = a_ra_idx; ra_idx.elem (0) = a_ra_idx(0) + r; ra_idx.elem (1) = a_ra_idx(1) + c; elem (ra_idx) = a.elem (a_ra_idx); increment_index (a_ra_idx, a_dv); } return *this; } ComplexNDArray& ComplexNDArray::insert (const ComplexNDArray& a, octave_idx_type r, octave_idx_type c) { Array<Complex>::insert (a, r, c); return *this; } ComplexNDArray& ComplexNDArray::insert (const ComplexNDArray& a, const Array<octave_idx_type>& ra_idx) { Array<Complex>::insert (a, ra_idx); return *this; } void ComplexNDArray::increment_index (Array<octave_idx_type>& ra_idx, const dim_vector& dimensions, int start_dimension) { ::increment_index (ra_idx, dimensions, start_dimension); } octave_idx_type ComplexNDArray::compute_index (Array<octave_idx_type>& ra_idx, const dim_vector& dimensions) { return ::compute_index (ra_idx, dimensions); } ComplexNDArray ComplexNDArray::diag (octave_idx_type k) const { return MArray<Complex>::diag (k); } ComplexNDArray ComplexNDArray::diag (octave_idx_type m, octave_idx_type n) const { return MArray<Complex>::diag (m, n); } // This contains no information on the array structure !!! std::ostream& operator << (std::ostream& os, const ComplexNDArray& a) { octave_idx_type nel = a.numel (); for (octave_idx_type i = 0; i < nel; i++) { os << ' '; octave::write_value<Complex> (os, a.elem (i)); os << "\n"; } return os; } std::istream& operator >> (std::istream& is, ComplexNDArray& a) { octave_idx_type nel = a.numel (); if (nel > 0) { Complex tmp; for (octave_idx_type i = 0; i < nel; i++) { tmp = octave::read_value<Complex> (is); if (is) a.elem (i) = tmp; else return is; } } return is; } MINMAX_FCNS (ComplexNDArray, Complex) NDS_CMP_OPS (ComplexNDArray, Complex) NDS_BOOL_OPS (ComplexNDArray, Complex) SND_CMP_OPS (Complex, ComplexNDArray) SND_BOOL_OPS (Complex, ComplexNDArray) NDND_CMP_OPS (ComplexNDArray, ComplexNDArray) NDND_BOOL_OPS (ComplexNDArray, ComplexNDArray) ComplexNDArray& operator *= (ComplexNDArray& a, double s) { if (a.is_shared ()) a = a * s; else do_ms_inplace_op<Complex, double> (a, s, mx_inline_mul2); return a; } ComplexNDArray& operator /= (ComplexNDArray& a, double s) { if (a.is_shared ()) return a = a / s; else do_ms_inplace_op<Complex, double> (a, s, mx_inline_div2); return a; } BSXFUN_STDOP_DEFS_MXLOOP (ComplexNDArray) BSXFUN_STDREL_DEFS_MXLOOP (ComplexNDArray) BSXFUN_OP_DEF_MXLOOP (pow, ComplexNDArray, mx_inline_pow)