Mercurial > octave
view liboctave/array/dDiagMatrix.cc @ 21244:1473547f50f5
include octave-config.h in public header files
* mk-opts.pl, mkbuiltins, mk-ops.awk, sparse-mk-ops.awk:
Emit "#include octave-config.h" statement for generated header files.
* build-env.h, builtins.h, Cell.h, base-text-renderer.h,
c-file-ptr-stream.h, cdisplay.h, comment-list.h, data.h, debug.h,
defaults.in.h, defun-dld.h, defun-int.h, defun.h, dirfns.h, display.h,
dynamic-ld.h, error.h, errwarn.h, event-queue.h, file-io.h,
ft-text-renderer.h, gl-render.h, gl2ps-print.h, graphics.in.h,
gripes.h, help.h, hook-fcn.h, input.h, jit-ir.h, jit-typeinfo.h,
jit-util.h, load-path.h, load-save.h, ls-ascii-helper.h, ls-hdf5.h,
ls-mat-ascii.h, ls-mat4.h, ls-mat5.h, ls-oct-binary.h, ls-oct-text.h,
ls-utils.h, mex.h, mexproto.h, mxarray.in.h, oct-errno.h, oct-fstrm.h,
oct-handle.h, oct-hdf5-types.h, oct-hdf5.h, oct-hist.h, oct-iostrm.h,
oct-lvalue.h, oct-map.h, oct-obj.h, oct-opengl.h, oct-prcstrm.h,
oct-procbuf.h, oct-stdstrm.h, oct-stream.h, oct-strstrm.h, oct.h,
octave-default-image.h, octave-link.h, octave-preserve-stream-state.h,
pager.h, pr-output.h, procstream.h, profiler.h, pt-jit.h,
sighandlers.h, siglist.h, sparse-xdiv.h, sparse-xpow.h, symtab.h,
sysdep.h, text-renderer.h, toplev.h, txt-eng.h, utils.h, variables.h,
workspace-element.h, xdiv.h, xnorm.h, xpow.h, zfstream.h, oct-qhull.h,
ov-base-diag.h, ov-base-int.h, ov-base-mat.h, ov-base-scalar.h,
ov-base-sparse.h, ov-base.h, ov-bool-mat.h, ov-bool-sparse.h,
ov-bool.h, ov-builtin.h, ov-cell.h, ov-ch-mat.h, ov-class.h,
ov-classdef.h, ov-colon.h, ov-complex.h, ov-cs-list.h, ov-cx-diag.h,
ov-cx-mat.h, ov-cx-sparse.h, ov-dld-fcn.h, ov-fcn-handle.h,
ov-fcn-inline.h, ov-fcn.h, ov-float.h, ov-flt-complex.h,
ov-flt-cx-diag.h, ov-flt-cx-mat.h, ov-flt-re-diag.h, ov-flt-re-mat.h,
ov-int-traits.h, ov-int16.h, ov-int32.h, ov-int64.h, ov-int8.h,
ov-intx.h, ov-java.h, ov-lazy-idx.h, ov-mex-fcn.h, ov-null-mat.h,
ov-oncleanup.h, ov-perm.h, ov-range.h, ov-re-diag.h, ov-re-mat.h,
ov-re-sparse.h, ov-scalar.h, ov-str-mat.h, ov-struct.h,
ov-type-conv.h, ov-typeinfo.h, ov-uint16.h, ov-uint32.h, ov-uint64.h,
ov-uint8.h, ov-usr-fcn.h, ov.h, ovl.h, octave.h, op-int.h, ops.h,
options-usage.h, lex.h, parse.h, pt-all.h, pt-arg-list.h,
pt-array-list.h, pt-assign.h, pt-binop.h, pt-bp.h, pt-cbinop.h,
pt-cell.h, pt-check.h, pt-classdef.h, pt-cmd.h, pt-colon.h,
pt-const.h, pt-decl.h, pt-eval.h, pt-except.h, pt-exp.h,
pt-fcn-handle.h, pt-funcall.h, pt-id.h, pt-idx.h, pt-jump.h,
pt-loop.h, pt-mat.h, pt-misc.h, pt-pr-code.h, pt-select.h, pt-stmt.h,
pt-unop.h, pt-walk.h, pt.h, token.h, version.in.h, Array-util.h,
Array.h, CColVector.h, CDiagMatrix.h, CMatrix.h, CNDArray.h,
CRowVector.h, CSparse.h, DiagArray2.h, MArray.h, MDiagArray2.h,
MSparse.h, Matrix.h, MatrixType.h, PermMatrix.h, Range.h, Sparse.h,
boolMatrix.h, boolNDArray.h, boolSparse.h, chMatrix.h, chNDArray.h,
dColVector.h, dDiagMatrix.h, dMatrix.h, dNDArray.h, dRowVector.h,
dSparse.h, dim-vector.h, fCColVector.h, fCDiagMatrix.h, fCMatrix.h,
fCNDArray.h, fCRowVector.h, fColVector.h, fDiagMatrix.h, fMatrix.h,
fNDArray.h, fRowVector.h, idx-vector.h, int16NDArray.h,
int32NDArray.h, int64NDArray.h, int8NDArray.h, intNDArray.h,
uint16NDArray.h, uint32NDArray.h, uint64NDArray.h, uint8NDArray.h,
f77-fcn.h, lo-error.h, quit.h, CmplxAEPBAL.h, CmplxCHOL.h,
CmplxGEPBAL.h, CmplxHESS.h, CmplxLU.h, CmplxQR.h, CmplxQRP.h,
CmplxSCHUR.h, CmplxSVD.h, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h,
DAERTFunc.h, DASPK.h, DASRT.h, DASSL.h, DET.h, EIG.h, LSODE.h, ODE.h,
ODEFunc.h, ODES.h, ODESFunc.h, Quad.h, base-aepbal.h, base-dae.h,
base-de.h, base-lu.h, base-min.h, base-qr.h, bsxfun-decl.h, bsxfun.h,
dbleAEPBAL.h, dbleCHOL.h, dbleGEPBAL.h, dbleHESS.h, dbleLU.h,
dbleQR.h, dbleQRP.h, dbleSCHUR.h, dbleSVD.h, eigs-base.h,
fCmplxAEPBAL.h, fCmplxCHOL.h, fCmplxGEPBAL.h, fCmplxHESS.h,
fCmplxLU.h, fCmplxQR.h, fCmplxQRP.h, fCmplxSCHUR.h, fCmplxSVD.h,
fEIG.h, floatAEPBAL.h, floatCHOL.h, floatGEPBAL.h, floatHESS.h,
floatLU.h, floatQR.h, floatQRP.h, floatSCHUR.h, floatSVD.h,
lo-mappers.h, lo-specfun.h, oct-convn.h, oct-fftw.h, oct-norm.h,
oct-rand.h, oct-spparms.h, randgamma.h, randmtzig.h, randpoisson.h,
sparse-chol.h, sparse-dmsolve.h, sparse-lu.h, sparse-qr.h,
Sparse-diag-op-defs.h, Sparse-op-decls.h, Sparse-op-defs.h,
Sparse-perm-op-defs.h, mx-base.h, mx-defs.h, mx-ext.h, mx-op-decl.h,
mx-op-defs.h, dir-ops.h, file-ops.h, file-stat.h, lo-sysdep.h,
mach-info.h, oct-env.h, oct-group.h, oct-openmp.h, oct-passwd.h,
oct-syscalls.h, oct-time.h, oct-uname.h, pathlen.h, sysdir.h,
syswait.h, action-container.h, base-list.h, byte-swap.h,
caseless-str.h, cmd-edit.h, cmd-hist.h, data-conv.h, functor.h,
glob-match.h, lo-array-errwarn.h, lo-array-gripes.h, lo-cutils.h,
lo-ieee.h, lo-macros.h, lo-math.h, lo-regexp.h, lo-traits.h,
lo-utils.h, oct-alloc.h, oct-base64.h, oct-binmap.h, oct-cmplx.h,
oct-glob.h, oct-inttypes.h, oct-locbuf.h, oct-mutex.h, oct-refcount.h,
oct-rl-edit.h, oct-rl-hist.h, oct-shlib.h, oct-sort.h, oct-sparse.h,
pathsearch.h, singleton-cleanup.h, sparse-sort.h, sparse-util.h,
statdefs.h, str-vec.h, sun-utils.h, unwind-prot.h, url-transfer.h:
Include octave-config.h.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 10 Feb 2016 14:25:53 -0500 |
parents | f7121e111991 |
children | 40de9f8f23a6 |
line wrap: on
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// DiagMatrix manipulations. /* Copyright (C) 1994-2015 John W. Eaton Copyright (C) 2009 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/>. */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #include <iostream> #include "Array-util.h" #include "lo-error.h" #include "mx-base.h" #include "mx-inlines.cc" #include "oct-cmplx.h" // Diagonal Matrix class. bool DiagMatrix::operator == (const DiagMatrix& a) const { if (rows () != a.rows () || cols () != a.cols ()) return 0; return mx_inline_equal (length (), data (), a.data ()); } bool DiagMatrix::operator != (const DiagMatrix& a) const { return !(*this == a); } DiagMatrix& DiagMatrix::fill (double val) { for (octave_idx_type i = 0; i < length (); i++) elem (i, i) = val; return *this; } DiagMatrix& DiagMatrix::fill (double val, octave_idx_type beg, octave_idx_type end) { if (beg < 0 || end >= length () || end < beg) (*current_liboctave_error_handler) ("range error for fill"); for (octave_idx_type i = beg; i <= end; i++) elem (i, i) = val; return *this; } DiagMatrix& DiagMatrix::fill (const ColumnVector& a) { octave_idx_type len = length (); if (a.numel () != len) (*current_liboctave_error_handler) ("range error for fill"); for (octave_idx_type i = 0; i < len; i++) elem (i, i) = a.elem (i); return *this; } DiagMatrix& DiagMatrix::fill (const RowVector& a) { octave_idx_type len = length (); if (a.numel () != len) (*current_liboctave_error_handler) ("range error for fill"); for (octave_idx_type i = 0; i < len; i++) elem (i, i) = a.elem (i); return *this; } DiagMatrix& DiagMatrix::fill (const ColumnVector& a, octave_idx_type beg) { octave_idx_type a_len = a.numel (); if (beg < 0 || beg + a_len >= length ()) (*current_liboctave_error_handler) ("range error for fill"); for (octave_idx_type i = 0; i < a_len; i++) elem (i+beg, i+beg) = a.elem (i); return *this; } DiagMatrix& DiagMatrix::fill (const RowVector& a, octave_idx_type beg) { octave_idx_type a_len = a.numel (); if (beg < 0 || beg + a_len >= length ()) (*current_liboctave_error_handler) ("range error for fill"); for (octave_idx_type i = 0; i < a_len; i++) elem (i+beg, i+beg) = a.elem (i); return *this; } DiagMatrix DiagMatrix::abs (void) const { return DiagMatrix (extract_diag ().abs (), rows (), columns ()); } DiagMatrix real (const ComplexDiagMatrix& a) { return DiagMatrix (real (a.extract_diag ()), a.rows (), a.cols ()); } DiagMatrix imag (const ComplexDiagMatrix& a) { return DiagMatrix (imag (a.extract_diag ()), a.rows (), a.cols ()); } Matrix DiagMatrix::extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const { if (r1 > r2) { std::swap (r1, r2); } if (c1 > c2) { std::swap (c1, c2); } octave_idx_type new_r = r2 - r1 + 1; octave_idx_type new_c = c2 - c1 + 1; Matrix result (new_r, new_c); for (octave_idx_type j = 0; j < new_c; j++) for (octave_idx_type i = 0; i < new_r; i++) result.elem (i, j) = elem (r1+i, c1+j); return result; } // extract row or column i. RowVector DiagMatrix::row (octave_idx_type i) const { octave_idx_type r = rows (); octave_idx_type c = cols (); if (i < 0 || i >= r) (*current_liboctave_error_handler) ("invalid row selection"); RowVector retval (c, 0.0); if (r <= c || (r > c && i < c)) retval.elem (i) = elem (i, i); return retval; } RowVector DiagMatrix::row (char *s) const { if (! s) (*current_liboctave_error_handler) ("invalid row selection"); char c = *s; if (c == 'f' || c == 'F') return row (static_cast<octave_idx_type>(0)); else if (c == 'l' || c == 'L') return row (rows () - 1); else (*current_liboctave_error_handler) ("invalid row selection"); } ColumnVector DiagMatrix::column (octave_idx_type i) const { octave_idx_type r = rows (); octave_idx_type c = cols (); if (i < 0 || i >= c) (*current_liboctave_error_handler) ("invalid column selection"); ColumnVector retval (r, 0.0); if (r >= c || (r < c && i < r)) retval.elem (i) = elem (i, i); return retval; } ColumnVector DiagMatrix::column (char *s) const { if (! s) (*current_liboctave_error_handler) ("invalid column selection"); char c = *s; if (c == 'f' || c == 'F') return column (static_cast<octave_idx_type>(0)); else if (c == 'l' || c == 'L') return column (cols () - 1); else (*current_liboctave_error_handler) ("invalid column selection"); } DiagMatrix DiagMatrix::inverse (void) const { octave_idx_type info; return inverse (info); } DiagMatrix DiagMatrix::inverse (octave_idx_type &info) const { octave_idx_type r = rows (); octave_idx_type c = cols (); octave_idx_type len = length (); if (r != c) (*current_liboctave_error_handler) ("inverse requires square matrix"); DiagMatrix retval (r, c); info = 0; for (octave_idx_type i = 0; i < len; i++) { if (elem (i, i) == 0.0) retval.elem (i, i) = octave_Inf; else retval.elem (i, i) = 1.0 / elem (i, i); } return retval; } DiagMatrix DiagMatrix::pseudo_inverse (double tol) const { octave_idx_type r = rows (); octave_idx_type c = cols (); octave_idx_type len = length (); DiagMatrix retval (c, r); for (octave_idx_type i = 0; i < len; i++) { double val = std::abs (elem (i, i)); if (val < tol || val == 0.0) retval.elem (i, i) = 0.0; else retval.elem (i, i) = 1.0 / elem (i, i); } return retval; } // diagonal matrix by diagonal matrix -> diagonal matrix operations // diagonal matrix by diagonal matrix -> diagonal matrix operations DiagMatrix operator * (const DiagMatrix& a, const DiagMatrix& b) { octave_idx_type a_nr = a.rows (); octave_idx_type a_nc = a.cols (); octave_idx_type b_nr = b.rows (); octave_idx_type b_nc = b.cols (); if (a_nc != b_nr) err_nonconformant ("operator *", a_nr, a_nc, b_nr, b_nc); DiagMatrix c (a_nr, b_nc); octave_idx_type len = c.length (); octave_idx_type lenm = len < a_nc ? len : a_nc; for (octave_idx_type i = 0; i < lenm; i++) c.dgxelem (i) = a.dgelem (i) * b.dgelem (i); for (octave_idx_type i = lenm; i < len; i++) c.dgxelem (i) = 0.0; return c; } // other operations DET DiagMatrix::determinant (void) const { DET det (1.0); if (rows () != cols ()) (*current_liboctave_error_handler) ("determinant requires square matrix"); octave_idx_type len = length (); for (octave_idx_type i = 0; i < len; i++) det *= elem (i, i); return det; } double DiagMatrix::rcond (void) const { ColumnVector av = extract_diag (0).map<double> (fabs); double amx = av.max (); double amn = av.min (); return amx == 0 ? 0.0 : amn / amx; } std::ostream& operator << (std::ostream& os, const DiagMatrix& a) { // int field_width = os.precision () + 7; for (octave_idx_type i = 0; i < a.rows (); i++) { for (octave_idx_type j = 0; j < a.cols (); j++) { if (i == j) os << " " /* setw (field_width) */ << a.elem (i, i); else os << " " /* setw (field_width) */ << 0.0; } os << "\n"; } return os; }