Mercurial > octave
view libinterp/corefcn/xdiv.cc @ 22327:d0562b3159c7
move more classes inside octave namespace
* ov-complex.cc, quit.h, lo-array-errwarn.h, lo-array-errwarn.cc,
lo-array-gripes.cc: Move classes inside octave namespace.
* NEWS, file-editor-tab.cc, Cell.cc, __qp__.cc, cellfun.cc, daspk.cc,
dasrt.cc, dassl.cc, data.cc, error.cc, error.h, errwarn.cc, errwarn.h,
file-io.cc, gcd.cc, graphics.cc, graphics.in.h, gripes.cc, gripes.h,
input.cc, interpreter.cc, interpreter.h, inv.cc, jit-typeinfo.cc,
load-path.cc, ls-mat-ascii.cc, ls-mat5.cc, lsode.cc, mex.cc,
oct-handle.h, oct-map.cc, oct-stream.cc, quad.cc, rand.cc,
sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, sub2ind.cc, toplev.cc,
utils.cc, variables.cc, xdiv.cc, xpow.cc, __eigs__.cc,
__init_gnuplot__.cc, ov-base-diag.cc, ov-base-mat.cc,
ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-class.cc,
ov-classdef.cc, ov-complex.h, ov-complex.cc, ov-cx-mat.cc,
ov-cx-sparse.cc, ov-fcn-handle.cc, ov-float.cc, ov-float.h,
ov-flt-complex.h, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-java.cc,
ov-oncleanup.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc,
ov-re-sparse.cc, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov.cc,
op-cs-cs.cc, op-fcs-fcs.cc, op-fs-fs.cc, op-int.h, op-s-s.cc, ops.h,
oct-parse.in.yy, pt-assign.cc, pt-eval.cc, pt-idx.cc, pt.cc,
Array-util.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MDiagArray2.cc,
MSparse.cc, PermMatrix.cc, Range.cc, Sparse.cc, dColVector.cc,
dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc,
fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc,
fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc,
fNDArray.cc, fRowVector.cc, idx-vector.cc, quit.cc, quit.h,
gepbalance.cc, Sparse-diag-op-defs.h, Sparse-op-defs.h,
Sparse-perm-op-defs.h, mx-inlines.cc, mx-op-defs.h, cmd-edit.cc,
lo-array-errwarn.cc, lo-array-errwarn.h, lo-array-gripes.cc,
lo-array-gripes.h, oct-binmap.h: Update to use namespace.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 17 Aug 2016 03:41:42 -0400 |
parents | bac0d6f07a3e |
children | 34ce5be04942 |
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/* Copyright (C) 1993-2016 John W. Eaton Copyright (C) 2008 Jaroslav Hajek Copyright (C) 2009-2010 VZLU Prague 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 <http://www.gnu.org/licenses/>. */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <cassert> #include "Array-util.h" #include "CMatrix.h" #include "dMatrix.h" #include "CNDArray.h" #include "dNDArray.h" #include "fCMatrix.h" #include "fMatrix.h" #include "fCNDArray.h" #include "fNDArray.h" #include "oct-cmplx.h" #include "dDiagMatrix.h" #include "fDiagMatrix.h" #include "CDiagMatrix.h" #include "fCDiagMatrix.h" #include "lo-array-errwarn.h" #include "quit.h" #include "error.h" #include "xdiv.h" static inline bool result_ok (octave_idx_type info) { assert (info != -1); return (info != -2); } static void solve_singularity_warning (double rcond) { octave::warn_singular_matrix (rcond); } template <typename T1, typename T2> bool mx_leftdiv_conform (const T1& a, const T2& b, blas_trans_type blas_trans) { octave_idx_type a_nr = blas_trans == blas_no_trans ? a.rows () : a.cols (); octave_idx_type b_nr = b.rows (); if (a_nr != b_nr) { octave_idx_type a_nc = blas_trans == blas_no_trans ? a.cols () : a.rows (); octave_idx_type b_nc = b.cols (); octave::err_nonconformant ("operator \\", a_nr, a_nc, b_nr, b_nc); } return true; } #define INSTANTIATE_MX_LEFTDIV_CONFORM(T1, T2) \ template bool mx_leftdiv_conform (const T1&, const T2&, blas_trans_type) INSTANTIATE_MX_LEFTDIV_CONFORM (Matrix, Matrix); INSTANTIATE_MX_LEFTDIV_CONFORM (Matrix, ComplexMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (ComplexMatrix, Matrix); INSTANTIATE_MX_LEFTDIV_CONFORM (ComplexMatrix, ComplexMatrix); template <typename T1, typename T2> bool mx_div_conform (const T1& a, const T2& b) { octave_idx_type a_nc = a.cols (); octave_idx_type b_nc = b.cols (); if (a_nc != b_nc) { octave_idx_type a_nr = a.rows (); octave_idx_type b_nr = b.rows (); octave::err_nonconformant ("operator /", a_nr, a_nc, b_nr, b_nc); } return true; } #define INSTANTIATE_MX_DIV_CONFORM(T1, T2) \ template bool mx_div_conform (const T1&, const T2&) INSTANTIATE_MX_DIV_CONFORM (Matrix, Matrix); INSTANTIATE_MX_DIV_CONFORM (Matrix, ComplexMatrix); INSTANTIATE_MX_DIV_CONFORM (ComplexMatrix, Matrix); INSTANTIATE_MX_DIV_CONFORM (ComplexMatrix, ComplexMatrix); // Right division functions. // // op2 / op1: m cm // +-- +---+----+ // matrix | 1 | 3 | // +---+----+ // complex_matrix | 2 | 4 | // +---+----+ // -*- 1 -*- Matrix xdiv (const Matrix& a, const Matrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return Matrix (); octave_idx_type info; double rcond = 0.0; Matrix result = b.solve (typ, a.transpose (), info, rcond, solve_singularity_warning, true, blas_trans); return result.transpose (); } // -*- 2 -*- ComplexMatrix xdiv (const Matrix& a, const ComplexMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return ComplexMatrix (); octave_idx_type info; double rcond = 0.0; ComplexMatrix result = b.solve (typ, a.transpose (), info, rcond, solve_singularity_warning, true, blas_trans); return result.transpose (); } // -*- 3 -*- ComplexMatrix xdiv (const ComplexMatrix& a, const Matrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return ComplexMatrix (); octave_idx_type info; double rcond = 0.0; ComplexMatrix result = b.solve (typ, a.transpose (), info, rcond, solve_singularity_warning, true, blas_trans); return result.transpose (); } // -*- 4 -*- ComplexMatrix xdiv (const ComplexMatrix& a, const ComplexMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return ComplexMatrix (); octave_idx_type info; double rcond = 0.0; ComplexMatrix result = b.solve (typ, a.transpose (), info, rcond, solve_singularity_warning, true, blas_trans); return result.transpose (); } // Funny element by element division operations. // // op2 \ op1: s cs // +-- +---+----+ // matrix | 1 | 3 | // +---+----+ // complex_matrix | 2 | 4 | // +---+----+ Matrix x_el_div (double a, const Matrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.columns (); Matrix result (nr, nc); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = 0; i < nr; i++) { octave_quit (); result (i, j) = a / b (i, j); } return result; } ComplexMatrix x_el_div (double a, const ComplexMatrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.columns (); ComplexMatrix result (nr, nc); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = 0; i < nr; i++) { octave_quit (); result (i, j) = a / b (i, j); } return result; } ComplexMatrix x_el_div (const Complex a, const Matrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.columns (); ComplexMatrix result (nr, nc); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = 0; i < nr; i++) { octave_quit (); result (i, j) = a / b (i, j); } return result; } ComplexMatrix x_el_div (const Complex a, const ComplexMatrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.columns (); ComplexMatrix result (nr, nc); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = 0; i < nr; i++) { octave_quit (); result (i, j) = a / b (i, j); } return result; } // Funny element by element division operations. // // op2 \ op1: s cs // +-- +---+----+ // N-D array | 1 | 3 | // +---+----+ // complex N-D array | 2 | 4 | // +---+----+ NDArray x_el_div (double a, const NDArray& b) { NDArray result (b.dims ()); for (octave_idx_type i = 0; i < b.numel (); i++) { octave_quit (); result (i) = a / b (i); } return result; } ComplexNDArray x_el_div (double a, const ComplexNDArray& b) { ComplexNDArray result (b.dims ()); for (octave_idx_type i = 0; i < b.numel (); i++) { octave_quit (); result (i) = a / b (i); } return result; } ComplexNDArray x_el_div (const Complex a, const NDArray& b) { ComplexNDArray result (b.dims ()); for (octave_idx_type i = 0; i < b.numel (); i++) { octave_quit (); result (i) = a / b (i); } return result; } ComplexNDArray x_el_div (const Complex a, const ComplexNDArray& b) { ComplexNDArray result (b.dims ()); for (octave_idx_type i = 0; i < b.numel (); i++) { octave_quit (); result (i) = a / b (i); } return result; } // Left division functions. // // op2 \ op1: m cm // +-- +---+----+ // matrix | 1 | 3 | // +---+----+ // complex_matrix | 2 | 4 | // +---+----+ // -*- 1 -*- Matrix xleftdiv (const Matrix& a, const Matrix& b, MatrixType &typ, blas_trans_type transt) { if (! mx_leftdiv_conform (a, b, transt)) return Matrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning, true, transt); } // -*- 2 -*- ComplexMatrix xleftdiv (const Matrix& a, const ComplexMatrix& b, MatrixType &typ, blas_trans_type transt) { if (! mx_leftdiv_conform (a, b, transt)) return ComplexMatrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning, true, transt); } // -*- 3 -*- ComplexMatrix xleftdiv (const ComplexMatrix& a, const Matrix& b, MatrixType &typ, blas_trans_type transt) { if (! mx_leftdiv_conform (a, b, transt)) return ComplexMatrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning, true, transt); } // -*- 4 -*- ComplexMatrix xleftdiv (const ComplexMatrix& a, const ComplexMatrix& b, MatrixType &typ, blas_trans_type transt) { if (! mx_leftdiv_conform (a, b, transt)) return ComplexMatrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning, true, transt); } static void solve_singularity_warning (float rcond) { octave::warn_singular_matrix (rcond); } INSTANTIATE_MX_LEFTDIV_CONFORM (FloatMatrix, FloatMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (FloatMatrix, FloatComplexMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (FloatComplexMatrix, FloatMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (FloatComplexMatrix, FloatComplexMatrix); INSTANTIATE_MX_DIV_CONFORM (FloatMatrix, FloatMatrix); INSTANTIATE_MX_DIV_CONFORM (FloatMatrix, FloatComplexMatrix); INSTANTIATE_MX_DIV_CONFORM (FloatComplexMatrix, FloatMatrix); INSTANTIATE_MX_DIV_CONFORM (FloatComplexMatrix, FloatComplexMatrix); // Right division functions. // // op2 / op1: m cm // +-- +---+----+ // matrix | 1 | 3 | // +---+----+ // complex_matrix | 2 | 4 | // +---+----+ // -*- 1 -*- FloatMatrix xdiv (const FloatMatrix& a, const FloatMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return FloatMatrix (); octave_idx_type info; float rcond = 0.0; FloatMatrix result = b.solve (typ, a.transpose (), info, rcond, solve_singularity_warning, true, blas_trans); return result.transpose (); } // -*- 2 -*- FloatComplexMatrix xdiv (const FloatMatrix& a, const FloatComplexMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return FloatComplexMatrix (); octave_idx_type info; float rcond = 0.0; FloatComplexMatrix result = b.solve (typ, a.transpose (), info, rcond, solve_singularity_warning, true, blas_trans); return result.transpose (); } // -*- 3 -*- FloatComplexMatrix xdiv (const FloatComplexMatrix& a, const FloatMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return FloatComplexMatrix (); octave_idx_type info; float rcond = 0.0; FloatComplexMatrix result = b.solve (typ, a.transpose (), info, rcond, solve_singularity_warning, true, blas_trans); return result.transpose (); } // -*- 4 -*- FloatComplexMatrix xdiv (const FloatComplexMatrix& a, const FloatComplexMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return FloatComplexMatrix (); octave_idx_type info; float rcond = 0.0; FloatComplexMatrix result = b.solve (typ, a.transpose (), info, rcond, solve_singularity_warning, true, blas_trans); return result.transpose (); } // Funny element by element division operations. // // op2 \ op1: s cs // +-- +---+----+ // matrix | 1 | 3 | // +---+----+ // complex_matrix | 2 | 4 | // +---+----+ FloatMatrix x_el_div (float a, const FloatMatrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.columns (); FloatMatrix result (nr, nc); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = 0; i < nr; i++) { octave_quit (); result (i, j) = a / b (i, j); } return result; } FloatComplexMatrix x_el_div (float a, const FloatComplexMatrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.columns (); FloatComplexMatrix result (nr, nc); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = 0; i < nr; i++) { octave_quit (); result (i, j) = a / b (i, j); } return result; } FloatComplexMatrix x_el_div (const FloatComplex a, const FloatMatrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.columns (); FloatComplexMatrix result (nr, nc); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = 0; i < nr; i++) { octave_quit (); result (i, j) = a / b (i, j); } return result; } FloatComplexMatrix x_el_div (const FloatComplex a, const FloatComplexMatrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.columns (); FloatComplexMatrix result (nr, nc); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = 0; i < nr; i++) { octave_quit (); result (i, j) = a / b (i, j); } return result; } // Funny element by element division operations. // // op2 \ op1: s cs // +-- +---+----+ // N-D array | 1 | 3 | // +---+----+ // complex N-D array | 2 | 4 | // +---+----+ FloatNDArray x_el_div (float a, const FloatNDArray& b) { FloatNDArray result (b.dims ()); for (octave_idx_type i = 0; i < b.numel (); i++) { octave_quit (); result (i) = a / b (i); } return result; } FloatComplexNDArray x_el_div (float a, const FloatComplexNDArray& b) { FloatComplexNDArray result (b.dims ()); for (octave_idx_type i = 0; i < b.numel (); i++) { octave_quit (); result (i) = a / b (i); } return result; } FloatComplexNDArray x_el_div (const FloatComplex a, const FloatNDArray& b) { FloatComplexNDArray result (b.dims ()); for (octave_idx_type i = 0; i < b.numel (); i++) { octave_quit (); result (i) = a / b (i); } return result; } FloatComplexNDArray x_el_div (const FloatComplex a, const FloatComplexNDArray& b) { FloatComplexNDArray result (b.dims ()); for (octave_idx_type i = 0; i < b.numel (); i++) { octave_quit (); result (i) = a / b (i); } return result; } // Left division functions. // // op2 \ op1: m cm // +-- +---+----+ // matrix | 1 | 3 | // +---+----+ // complex_matrix | 2 | 4 | // +---+----+ // -*- 1 -*- FloatMatrix xleftdiv (const FloatMatrix& a, const FloatMatrix& b, MatrixType &typ, blas_trans_type transt) { if (! mx_leftdiv_conform (a, b, transt)) return FloatMatrix (); octave_idx_type info; float rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning, true, transt); } // -*- 2 -*- FloatComplexMatrix xleftdiv (const FloatMatrix& a, const FloatComplexMatrix& b, MatrixType &typ, blas_trans_type transt) { if (! mx_leftdiv_conform (a, b, transt)) return FloatComplexMatrix (); octave_idx_type info; float rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning, true, transt); } // -*- 3 -*- FloatComplexMatrix xleftdiv (const FloatComplexMatrix& a, const FloatMatrix& b, MatrixType &typ, blas_trans_type transt) { if (! mx_leftdiv_conform (a, b, transt)) return FloatComplexMatrix (); octave_idx_type info; float rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning, true, transt); } // -*- 4 -*- FloatComplexMatrix xleftdiv (const FloatComplexMatrix& a, const FloatComplexMatrix& b, MatrixType &typ, blas_trans_type transt) { if (! mx_leftdiv_conform (a, b, transt)) return FloatComplexMatrix (); octave_idx_type info; float rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning, true, transt); } // Diagonal matrix division. template <typename MT, typename DMT> MT mdm_div_impl (const MT& a, const DMT& d) { if (! mx_div_conform (a, d)) return MT (); octave_idx_type m = a.rows (); octave_idx_type n = d.rows (); octave_idx_type l = d.length (); MT x (m, n); typedef typename DMT::element_type S; typedef typename MT::element_type T; const T *aa = a.data (); const S *dd = d.data (); T *xx = x.fortran_vec (); for (octave_idx_type j = 0; j < l; j++) { const S del = dd[j]; if (del != S ()) for (octave_idx_type i = 0; i < m; i++) xx[i] = aa[i] / del; else for (octave_idx_type i = 0; i < m; i++) xx[i] = T (); aa += m; xx += m; } for (octave_idx_type i = l*m; i < n*m; i++) xx[i] = T (); return x; } // Right division functions. // // op2 / op1: dm cdm // +-- +---+----+ // matrix | 1 | | // +---+----+ // complex_matrix | 2 | 3 | // +---+----+ // -*- 1 -*- Matrix xdiv (const Matrix& a, const DiagMatrix& b) { return mdm_div_impl (a, b); } // -*- 2 -*- ComplexMatrix xdiv (const ComplexMatrix& a, const DiagMatrix& b) { return mdm_div_impl (a, b); } // -*- 3 -*- ComplexMatrix xdiv (const ComplexMatrix& a, const ComplexDiagMatrix& b) { return mdm_div_impl (a, b); } // Right division functions, float type. // // op2 / op1: dm cdm // +-- +---+----+ // matrix | 1 | | // +---+----+ // complex_matrix | 2 | 3 | // +---+----+ // -*- 1 -*- FloatMatrix xdiv (const FloatMatrix& a, const FloatDiagMatrix& b) { return mdm_div_impl (a, b); } // -*- 2 -*- FloatComplexMatrix xdiv (const FloatComplexMatrix& a, const FloatDiagMatrix& b) { return mdm_div_impl (a, b); } // -*- 3 -*- FloatComplexMatrix xdiv (const FloatComplexMatrix& a, const FloatComplexDiagMatrix& b) { return mdm_div_impl (a, b); } template <typename MT, typename DMT> MT dmm_leftdiv_impl (const DMT& d, const MT& a) { if (! mx_leftdiv_conform (d, a, blas_no_trans)) return MT (); octave_idx_type m = d.cols (); octave_idx_type n = a.cols (); octave_idx_type k = a.rows (); octave_idx_type l = d.length (); MT x (m, n); typedef typename DMT::element_type S; typedef typename MT::element_type T; const T *aa = a.data (); const S *dd = d.data (); T *xx = x.fortran_vec (); for (octave_idx_type j = 0; j < n; j++) { for (octave_idx_type i = 0; i < l; i++) xx[i] = dd[i] != S () ? aa[i] / dd[i] : T (); for (octave_idx_type i = l; i < m; i++) xx[i] = T (); aa += k; xx += m; } return x; } // Left division functions. // // op2 \ op1: m cm // +---+----+ // diag_matrix | 1 | 2 | // +---+----+ // complex_diag_matrix | | 3 | // +---+----+ // -*- 1 -*- Matrix xleftdiv (const DiagMatrix& a, const Matrix& b) { return dmm_leftdiv_impl (a, b); } // -*- 2 -*- ComplexMatrix xleftdiv (const DiagMatrix& a, const ComplexMatrix& b) { return dmm_leftdiv_impl (a, b); } // -*- 3 -*- ComplexMatrix xleftdiv (const ComplexDiagMatrix& a, const ComplexMatrix& b) { return dmm_leftdiv_impl (a, b); } // Left division functions, float type. // // op2 \ op1: m cm // +---+----+ // diag_matrix | 1 | 2 | // +---+----+ // complex_diag_matrix | | 3 | // +---+----+ // -*- 1 -*- FloatMatrix xleftdiv (const FloatDiagMatrix& a, const FloatMatrix& b) { return dmm_leftdiv_impl (a, b); } // -*- 2 -*- FloatComplexMatrix xleftdiv (const FloatDiagMatrix& a, const FloatComplexMatrix& b) { return dmm_leftdiv_impl (a, b); } // -*- 3 -*- FloatComplexMatrix xleftdiv (const FloatComplexDiagMatrix& a, const FloatComplexMatrix& b) { return dmm_leftdiv_impl (a, b); } // Diagonal by diagonal matrix division. template <typename MT, typename DMT> MT dmdm_div_impl (const MT& a, const DMT& d) { if (! mx_div_conform (a, d)) return MT (); octave_idx_type m = a.rows (); octave_idx_type n = d.rows (); octave_idx_type k = d.cols (); octave_idx_type l = std::min (m, n); octave_idx_type lk = std::min (l, k); MT x (m, n); typedef typename DMT::element_type S; typedef typename MT::element_type T; const T *aa = a.data (); const S *dd = d.data (); T *xx = x.fortran_vec (); for (octave_idx_type i = 0; i < lk; i++) xx[i] = dd[i] != S () ? aa[i] / dd[i] : T (); for (octave_idx_type i = lk; i < l; i++) xx[i] = T (); return x; } // Right division functions. // // op2 / op1: dm cdm // +-- +---+----+ // diag_matrix | 1 | | // +---+----+ // complex_diag_matrix | 2 | 3 | // +---+----+ // -*- 1 -*- DiagMatrix xdiv (const DiagMatrix& a, const DiagMatrix& b) { return dmdm_div_impl (a, b); } // -*- 2 -*- ComplexDiagMatrix xdiv (const ComplexDiagMatrix& a, const DiagMatrix& b) { return dmdm_div_impl (a, b); } // -*- 3 -*- ComplexDiagMatrix xdiv (const ComplexDiagMatrix& a, const ComplexDiagMatrix& b) { return dmdm_div_impl (a, b); } // Right division functions, float type. // // op2 / op1: dm cdm // +-- +---+----+ // diag_matrix | 1 | | // +---+----+ // complex_diag_matrix | 2 | 3 | // +---+----+ // -*- 1 -*- FloatDiagMatrix xdiv (const FloatDiagMatrix& a, const FloatDiagMatrix& b) { return dmdm_div_impl (a, b); } // -*- 2 -*- FloatComplexDiagMatrix xdiv (const FloatComplexDiagMatrix& a, const FloatDiagMatrix& b) { return dmdm_div_impl (a, b); } // -*- 3 -*- FloatComplexDiagMatrix xdiv (const FloatComplexDiagMatrix& a, const FloatComplexDiagMatrix& b) { return dmdm_div_impl (a, b); } template <typename MT, typename DMT> MT dmdm_leftdiv_impl (const DMT& d, const MT& a) { if (! mx_leftdiv_conform (d, a, blas_no_trans)) return MT (); octave_idx_type m = d.cols (); octave_idx_type n = a.cols (); octave_idx_type k = d.rows (); octave_idx_type l = std::min (m, n); octave_idx_type lk = std::min (l, k); MT x (m, n); typedef typename DMT::element_type S; typedef typename MT::element_type T; const T *aa = a.data (); const S *dd = d.data (); T *xx = x.fortran_vec (); for (octave_idx_type i = 0; i < lk; i++) xx[i] = dd[i] != S () ? aa[i] / dd[i] : T (); for (octave_idx_type i = lk; i < l; i++) xx[i] = T (); return x; } // Left division functions. // // op2 \ op1: dm cdm // +---+----+ // diag_matrix | 1 | 2 | // +---+----+ // complex_diag_matrix | | 3 | // +---+----+ // -*- 1 -*- DiagMatrix xleftdiv (const DiagMatrix& a, const DiagMatrix& b) { return dmdm_leftdiv_impl (a, b); } // -*- 2 -*- ComplexDiagMatrix xleftdiv (const DiagMatrix& a, const ComplexDiagMatrix& b) { return dmdm_leftdiv_impl (a, b); } // -*- 3 -*- ComplexDiagMatrix xleftdiv (const ComplexDiagMatrix& a, const ComplexDiagMatrix& b) { return dmdm_leftdiv_impl (a, b); } // Left division functions, float type. // // op2 \ op1: dm cdm // +---+----+ // diag_matrix | 1 | 2 | // +---+----+ // complex_diag_matrix | | 3 | // +---+----+ // -*- 1 -*- FloatDiagMatrix xleftdiv (const FloatDiagMatrix& a, const FloatDiagMatrix& b) { return dmdm_leftdiv_impl (a, b); } // -*- 2 -*- FloatComplexDiagMatrix xleftdiv (const FloatDiagMatrix& a, const FloatComplexDiagMatrix& b) { return dmdm_leftdiv_impl (a, b); } // -*- 3 -*- FloatComplexDiagMatrix xleftdiv (const FloatComplexDiagMatrix& a, const FloatComplexDiagMatrix& b) { return dmdm_leftdiv_impl (a, b); }