Mercurial > octave
view libinterp/corefcn/__eigs__.cc @ 29654:d13d090cb03a stable
use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
Files affected: make_int.cc, file-editor-tab.cc, octave-qscintilla.cc,
Cell.cc, Cell.h, call-stack.cc, call-stack.h, cellfun.cc, data.cc,
debug.cc, dlmread.cc, error.cc, event-queue.h, fcn-info.cc,
fcn-info.h, file-io.cc, ft-text-renderer.cc, gl2ps-print.cc,
graphics.cc, graphics.in.h, help.cc, hex2num.cc, input.cc,
latex-text-renderer.cc, load-path.cc, load-save.cc, load-save.h,
ls-hdf5.cc, ls-mat-ascii.cc, ls-mat5.cc, ls-oct-text.cc, mex.cc,
mexproto.h, mxarray.h, oct-map.cc, oct-stream.cc, oct-stream.h,
pager.cc, pager.h, pr-output.cc, regexp.cc, settings.h,
stack-frame.cc, stack-frame.h, strfns.cc, syminfo.cc, symrec.h,
symscope.cc, symscope.h, symtab.cc, sysdep.cc, toplev.cc, utils.cc,
utils.h, variables.cc, __fltk_uigetfile__.cc, __init_fltk__.cc,
audioread.cc, gzip.cc, cdef-class.cc, cdef-manager.cc, cdef-method.cc,
cdef-object.cc, cdef-object.h, ov-base-diag.cc, ov-base-diag.h,
ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base-scalar.h,
ov-base-sparse.h, ov-base.cc, ov-base.h, ov-cell.cc, ov-cell.h,
ov-ch-mat.cc, ov-class.cc, ov-class.h, ov-classdef.cc,
ov-fcn-handle.cc, ov-java.cc, ov-lazy-idx.h, ov-perm.cc, ov-perm.h,
ov-range.h, ov-str-mat.cc, ov-struct.cc, ov-struct.h, ov-usr-fcn.cc,
ov-usr-fcn.h, ov.cc, ov.h, ovl.cc, octave.cc, bp-table.cc, jit-ir.cc,
jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.h, lex.h, lex.ll,
oct-lvalue.cc, oct-parse.yy, parse.h, profiler.h, pt-eval.cc,
pt-eval.h, pt-jit.cc, pt-jit.h, pt-pr-code.cc, pt-tm-const.cc,
pt-tm-const.h, Array.h, CMatrix.cc, DiagArray2.h, PermMatrix.h,
Sparse.h, dMatrix.cc, fCMatrix.cc, fMatrix.cc, bsxfun-defs.cc,
oct-fftw.cc, oct-fftw.h, randpoisson.cc, sparse-chol.cc,
mx-inlines.cc, file-ops.cc, lo-sysdep.cc, oct-env.cc, oct-time.cc,
action-container.cc, action-container.h, base-list.h, caseless-str.h,
cmd-edit.cc, cmd-hist.cc, data-conv.cc, data-conv.h, f77-fcn.h,
file-info.cc, file-info.h, kpse.cc, kpse.h, lo-cutils.h, lo-hash.h,
lo-regexp.cc, oct-base64.cc, oct-base64.h, oct-binmap.h, oct-glob.cc,
oct-shlib.cc, oct-shlib.h, oct-sort.cc, oct-sparse.h, oct-string.cc,
quit.cc, unwind-prot.h, url-transfer.cc, main.in.cc, mkoctfile.in.cc,
and shared-fcns.h.
(grafted from aef11bb4e6d1f303ad9de5688fcb7244ef48867e)
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 28 Apr 2021 22:57:42 -0400 |
parents | a11714e03733 |
children | b99d87eafd4e |
line wrap: on
line source
//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2005-2021 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 <limits> #include <string> #include "Matrix.h" #include "eigs-base.h" #include "unwind-prot.h" #include "defun.h" #include "error.h" #include "errwarn.h" #include "interpreter-private.h" #include "oct-map.h" #include "ov.h" #include "ovl.h" #include "pager.h" #include "parse.h" #include "variables.h" #if defined (HAVE_ARPACK) // Global pointer for user defined function. static octave_value eigs_fcn; // Have we warned about imaginary values returned from user function? static bool warned_imaginary = false; // Is this a recursive call? static int call_depth = 0; ColumnVector eigs_func (const ColumnVector& x, int& eigs_error) { ColumnVector retval; octave_value_list args; args(0) = x; if (eigs_fcn.is_defined ()) { octave_value_list tmp; try { tmp = octave::feval (eigs_fcn, args, 1); } catch (octave::execution_exception& e) { err_user_supplied_eval (e, "eigs"); } if (tmp.length () && tmp(0).is_defined ()) { if (! warned_imaginary && tmp(0).iscomplex ()) { warning ("eigs: ignoring imaginary part returned from user-supplied function"); warned_imaginary = true; } retval = tmp(0).xvector_value ("eigs: evaluation of user-supplied function failed"); } else { eigs_error = 1; err_user_supplied_eval ("eigs"); } } return retval; } ComplexColumnVector eigs_complex_func (const ComplexColumnVector& x, int& eigs_error) { ComplexColumnVector retval; octave_value_list args; args(0) = x; if (eigs_fcn.is_defined ()) { octave_value_list tmp; try { tmp = octave::feval (eigs_fcn, args, 1); } catch (octave::execution_exception& e) { err_user_supplied_eval (e, "eigs"); } if (tmp.length () && tmp(0).is_defined ()) { retval = tmp(0).xcomplex_vector_value ("eigs: evaluation of user-supplied function failed"); } else { eigs_error = 1; err_user_supplied_eval ("eigs"); } } return retval; } #endif DEFMETHOD (__eigs__, interp, args, nargout, doc: /* -*- texinfo -*- @deftypefn {} {@var{d} =} __eigs__ (@var{A}) @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{k}) @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{k}, @var{sigma}) @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{k}, @var{sigma}, @var{opts}) @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B}) @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k}) @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k}, @var{sigma}) @deftypefnx {} {@var{d} =} __eigs__ (@var{A}, @var{B}, @var{k}, @var{sigma}, @var{opts}) @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}) @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}) @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k}) @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k}) @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k}, @var{sigma}) @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k}, @var{sigma}) @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{k}, @var{sigma}, @var{opts}) @deftypefnx {} {@var{d} =} __eigs__ (@var{af}, @var{n}, @var{B}, @var{k}, @var{sigma}, @var{opts}) @deftypefnx {} {[@var{V}, @var{d}] =} __eigs__ (@var{A}, @dots{}) @deftypefnx {} {[@var{V}, @var{d}] =} __eigs__ (@var{af}, @var{n}, @dots{}) @deftypefnx {} {[@var{V}, @var{d}, @var{flag}] =} __eigs__ (@var{A}, @dots{}) @deftypefnx {} {[@var{V}, @var{d}, @var{flag}] =} __eigs__ (@var{af}, @var{n}, @dots{}) Undocumented internal function. @end deftypefn */) { #if defined (HAVE_ARPACK) int nargin = args.length (); if (nargin == 0) print_usage (); octave_value_list retval; std::string fcn_name; octave_idx_type n = 0; octave_idx_type k = 6; Complex sigma = 0.0; double sigmar, sigmai; bool have_sigma = false; std::string typ = "LM"; Matrix amm, bmm, bmt; ComplexMatrix acm, bcm, bct; SparseMatrix asmm, bsmm, bsmt; SparseComplexMatrix ascm, bscm, bsct; int b_arg = 0; bool have_b = false; bool have_a_fun = false; bool a_is_complex = false; bool b_is_complex = false; bool symmetric = false; bool sym_tested = false; bool cholB = false; bool a_is_sparse = false; bool b_is_sparse = false; ColumnVector permB; int arg_offset = 0; double tol = std::numeric_limits<double>::epsilon (); int maxit = 300; int disp = 0; octave_idx_type p = -1; ColumnVector resid; ComplexColumnVector cresid; octave_idx_type info = 1; warned_imaginary = false; octave::unwind_protect frame; frame.protect_var (eigs_fcn); frame.protect_var (call_depth); call_depth++; if (call_depth > 1) error ("eigs: invalid recursive call"); if (args(0).is_function_handle () || args(0).is_inline_function () || args(0).is_string ()) { eigs_fcn = octave::get_function_handle (interp, args(0), "x"); if (eigs_fcn.is_undefined ()) error ("eigs: unknown function"); if (nargin < 2) error ("eigs: incorrect number of arguments"); n = args(1).nint_value (); arg_offset = 1; have_a_fun = true; } else { if (args(0).iscomplex ()) { if (args(0).issparse ()) { ascm = (args(0).sparse_complex_matrix_value ()); a_is_sparse = true; } else acm = (args(0).complex_matrix_value ()); a_is_complex = true; } else { if (args(0).issparse ()) { asmm = (args(0).sparse_matrix_value ()); a_is_sparse = true; } else { amm = (args(0).matrix_value ()); } } } // Note hold off reading B until later to avoid issues of double // copies of the matrix if B is full/real while A is complex. if (nargin > 1 + arg_offset && ! (args(1 + arg_offset).is_real_scalar ())) { if (args(1+arg_offset).iscomplex ()) { b_arg = 1+arg_offset; if (args(b_arg).issparse ()) { bscm = (args(b_arg).sparse_complex_matrix_value ()); b_is_sparse = true; } else bcm = (args(b_arg).complex_matrix_value ()); have_b = true; b_is_complex = true; arg_offset++; } else { b_arg = 1+arg_offset; if (args(b_arg).issparse ()) { bsmm = (args(b_arg).sparse_matrix_value ()); b_is_sparse = true; } else bmm = (args(b_arg).matrix_value ()); have_b = true; arg_offset++; } } if (nargin > (1+arg_offset)) k = args(1+arg_offset).nint_value (); if (nargin > (2+arg_offset)) { if (args(2+arg_offset).is_string ()) { typ = args(2+arg_offset).string_value (); // Use STL function to convert to upper case transform (typ.begin (), typ.end (), typ.begin (), toupper); sigma = 0.0; } else { sigma = args(2+arg_offset).xcomplex_value ("eigs: SIGMA must be a scalar or a string"); have_sigma = true; } } sigmar = sigma.real (); sigmai = sigma.imag (); if (nargin > (3+arg_offset)) { if (! args(3+arg_offset).isstruct ()) error ("eigs: OPTS argument must be a structure"); octave_scalar_map map = args(3+arg_offset).xscalar_map_value ("eigs: OPTS argument must be a scalar structure"); octave_value tmp; // issym is ignored for complex matrix inputs tmp = map.getfield ("issym"); if (tmp.is_defined ()) { if (tmp.numel () != 1) error ("eigs: OPTS.issym must be a scalar value"); symmetric = tmp.xbool_value ("eigs: OPTS.issym must be a logical value"); sym_tested = true; } // isreal is ignored if A is not a function if (have_a_fun) { tmp = map.getfield ("isreal"); if (tmp.is_defined ()) { if (tmp.numel () != 1) error ("eigs: OPTS.isreal must be a scalar value"); a_is_complex = ! tmp.xbool_value ("eigs: OPTS.isreal must be a logical value"); } } tmp = map.getfield ("tol"); if (tmp.is_defined ()) tol = tmp.double_value (); tmp = map.getfield ("maxit"); if (tmp.is_defined ()) maxit = tmp.nint_value (); tmp = map.getfield ("p"); if (tmp.is_defined ()) p = tmp.nint_value (); tmp = map.getfield ("v0"); if (tmp.is_defined ()) { if (a_is_complex || b_is_complex) cresid = ComplexColumnVector (tmp.complex_vector_value ()); else resid = ColumnVector (tmp.vector_value ()); } tmp = map.getfield ("disp"); if (tmp.is_defined ()) disp = tmp.nint_value (); tmp = map.getfield ("cholB"); if (tmp.is_defined ()) { if (tmp.numel () != 1) error ("eigs: OPTS.cholB must be a scalar value"); cholB = tmp.xbool_value ("eigs: OPTS.cholB must be a logical value"); } tmp = map.getfield ("permB"); if (tmp.is_defined ()) permB = ColumnVector (tmp.vector_value ()) - 1.0; } if (nargin > (4+arg_offset)) error ("eigs: incorrect number of arguments"); // Test undeclared (no issym) matrix inputs for symmetry if (! sym_tested && ! have_a_fun) { if (a_is_complex) { if (a_is_sparse) symmetric = ascm.ishermitian (); else symmetric = acm.ishermitian (); } else { if (a_is_sparse) symmetric = asmm.issymmetric (); else symmetric = amm.issymmetric (); } } if (have_b) { if (a_is_complex || b_is_complex) { if (b_is_sparse) bscm = args(b_arg).sparse_complex_matrix_value (); else bcm = args(b_arg).complex_matrix_value (); } else { if (b_is_sparse) bsmm = args(b_arg).sparse_matrix_value (); else bmm = args(b_arg).matrix_value (); } } // Mode 1 for SM mode seems unstable for some reason. // Use Mode 3 instead, with sigma = 0. if (! have_sigma && typ == "SM") have_sigma = true; octave_idx_type nconv; if (a_is_complex || b_is_complex) { ComplexMatrix eig_vec; ComplexColumnVector eig_val; if (have_a_fun) { if (b_is_sparse) nconv = EigsComplexNonSymmetricFunc (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec, eig_val, bscm, permB, cresid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); else nconv = EigsComplexNonSymmetricFunc (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec, eig_val, bcm, permB, cresid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); } else if (have_sigma) { if (a_is_sparse) nconv = EigsComplexNonSymmetricMatrixShift (ascm, sigma, k, p, info, eig_vec, eig_val, bscm, permB, cresid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); else nconv = EigsComplexNonSymmetricMatrixShift (acm, sigma, k, p, info, eig_vec, eig_val, bcm, permB, cresid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); } else { if (a_is_sparse) nconv = EigsComplexNonSymmetricMatrix (ascm, typ, k, p, info, eig_vec, eig_val, bscm, permB, cresid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); else nconv = EigsComplexNonSymmetricMatrix (acm, typ, k, p, info, eig_vec, eig_val, bcm, permB, cresid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); } if (nargout < 2) { if (symmetric) retval(0) = real (eig_val); else retval(0) = eig_val; } else { if (symmetric) retval = ovl (eig_vec, DiagMatrix (real (eig_val)), double (info)); else retval = ovl (eig_vec, ComplexDiagMatrix (eig_val), double (info)); } } else if (sigmai != 0.0) { // Promote real problem to a complex one. ComplexMatrix eig_vec; ComplexColumnVector eig_val; if (have_a_fun) { if (b_is_sparse) nconv = EigsComplexNonSymmetricFunc (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec, eig_val, bscm, permB, cresid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); else nconv = EigsComplexNonSymmetricFunc (eigs_complex_func, n, typ, sigma, k, p, info, eig_vec, eig_val, bcm, permB, cresid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); } else { if (a_is_sparse) nconv = EigsComplexNonSymmetricMatrixShift (SparseComplexMatrix (asmm), sigma, k, p, info, eig_vec, eig_val, SparseComplexMatrix (bsmm), permB, cresid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); else nconv = EigsComplexNonSymmetricMatrixShift (ComplexMatrix (amm), sigma, k, p, info, eig_vec, eig_val, ComplexMatrix (bmm), permB, cresid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); } if (nargout < 2) { if (symmetric) retval(0) = real (eig_val); else retval(0) = eig_val; } else { if (symmetric) retval = ovl (eig_vec, DiagMatrix (real (eig_val)), double (info)); else retval = ovl (eig_vec, ComplexDiagMatrix (eig_val), double (info)); } } else { if (symmetric) { Matrix eig_vec; ColumnVector eig_val; if (have_a_fun) { if (b_is_sparse) nconv = EigsRealSymmetricFunc (eigs_func, n, typ, sigmar, k, p, info, eig_vec, eig_val, bsmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); else nconv = EigsRealSymmetricFunc (eigs_func, n, typ, sigmar, k, p, info, eig_vec, eig_val, bmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); } else if (have_sigma) { if (a_is_sparse) nconv = EigsRealSymmetricMatrixShift (asmm, sigmar, k, p, info, eig_vec, eig_val, bsmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); else nconv = EigsRealSymmetricMatrixShift (amm, sigmar, k, p, info, eig_vec, eig_val, bmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); } else { if (a_is_sparse) nconv = EigsRealSymmetricMatrix (asmm, typ, k, p, info, eig_vec, eig_val, bsmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); else nconv = EigsRealSymmetricMatrix (amm, typ, k, p, info, eig_vec, eig_val, bmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); } if (nargout < 2) retval(0) = eig_val; else retval = ovl (eig_vec, DiagMatrix (eig_val), double (info)); } else { ComplexMatrix eig_vec; ComplexColumnVector eig_val; if (have_a_fun) { if (b_is_sparse) nconv = EigsRealNonSymmetricFunc (eigs_func, n, typ, sigmar, k, p, info, eig_vec, eig_val, bsmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); else nconv = EigsRealNonSymmetricFunc (eigs_func, n, typ, sigmar, k, p, info, eig_vec, eig_val, bmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); } else if (have_sigma) { if (a_is_sparse) nconv = EigsRealNonSymmetricMatrixShift (asmm, sigmar, k, p, info, eig_vec, eig_val, bsmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); else nconv = EigsRealNonSymmetricMatrixShift (amm, sigmar, k, p, info, eig_vec, eig_val, bmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); } else { if (a_is_sparse) nconv = EigsRealNonSymmetricMatrix (asmm, typ, k, p, info, eig_vec, eig_val, bsmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); else nconv = EigsRealNonSymmetricMatrix (amm, typ, k, p, info, eig_vec, eig_val, bmm, permB, resid, octave_stdout, tol, (nargout > 1), cholB, disp, maxit); } if (nargout < 2) retval(0) = eig_val; else retval = ovl (eig_vec, ComplexDiagMatrix (eig_val), double (info)); } } if (nconv <= 0) warning_with_id ("Octave:eigs:UnconvergedEigenvalues", "eigs: None of the %" OCTAVE_IDX_TYPE_FORMAT " requested eigenvalues converged", k); else if (nconv < k) warning_with_id ("Octave:eigs:UnconvergedEigenvalues", "eigs: Only %" OCTAVE_IDX_TYPE_FORMAT " of the %" OCTAVE_IDX_TYPE_FORMAT " requested eigenvalues converged", nconv, k); if (! fcn_name.empty ()) { octave::symbol_table& symtab = interp.get_symbol_table (); symtab.clear_function (fcn_name); } return retval; #else octave_unused_parameter (interp); octave_unused_parameter (args); octave_unused_parameter (nargout); err_disabled_feature ("eigs", "ARPACK"); #endif } /* ## No test needed for internal helper function. %!assert (1) */