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annotate liboctave/array/fCRowVector.cc @ 21724:aba2e6293dd8

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use "#if ..." consistently instead of "#ifdef" and "#ifndef" * configure.ac, Doxyfile.in, make_int.cc, Backend.cc, BaseControl.cc, ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc, EditControl.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, KeyMap.cc, ListBoxControl.cc, Logger.cc, Menu.cc, MouseModeActionGroup.cc, Object.cc, ObjectFactory.cc, ObjectProxy.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc, PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc, SliderControl.cc, TextControl.cc, TextEdit.cc, ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, __init_qt__.cc, annotation-dialog.cc, gl-select.cc, module.mk, color-picker.cc, dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc, find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc, liboctgui-build-info.in.cc, file-editor-tab.cc, file-editor.cc, find-dialog.cc, marker.cc, marker.h, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc, octave-cmd.cc, octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc, octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc, settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc, thread-manager.cc, welcome-wizard.cc, workspace-model.cc, workspace-view.cc, build-env.in.cc, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __luinc__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, cdisplay.c, cdisplay.h, cellfun.cc, coct-hdf5-types.c, colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, defaults.in.h, defun.cc, det.cc, dirfns.cc, display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-save.cc, lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stdstrm.h, oct-stream.cc, oct-strstrm.cc, oct-tex-lexer.in.ll, oct-tex-parser.in.yy, octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc, psi.cc, pt-jit.cc, pt-jit.h, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, siglist.c, siglist.h, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc, xpow.cc, zfstream.cc, zfstream.h, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc, liboctinterp-build-info.in.cc, mkbuiltins, mkops, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc, ov-mex-fcn.cc, ov-null-mat.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-str-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ovl.cc, octave.cc, octave.h, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cdm-cm.cc, op-cdm-dm.cc, op-cdm-m.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cdm.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-dm.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-cdm.cc, op-dm-cm.cc, op-dm-dm.cc, op-dm-m.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc, op-fcdm-fcm.cc, op-fcdm-fdm.cc, op-fcdm-fm.cc, op-fcm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fdm.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fcdm.cc, op-fdm-fcm.cc, op-fdm-fdm.cc, op-fdm-fm.cc, op-float-conv.cc, op-fm-fcdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fdm.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-int-conv.cc, op-m-cdm.cc, op-m-cm.cc, op-m-cs.cc, op-m-dm.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, lex.ll, oct-parse.in.yy, pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc, pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-tc.cc, version.cc, Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc, Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc, Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MSparse-C.cc, MSparse-d.cc, MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dim-vector.cc, dim-vector.h, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc, int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, Faddeeva.cc, blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, lo-error.h, quit.cc, quit.h, liboctave-build-info.in.cc, CollocWt.cc, DASPK.cc, DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc, chol.cc, eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc, lo-mappers.cc, lo-specfun.cc, lu.cc, oct-convn.cc, oct-fftw.cc, oct-norm.cc, oct-rand.cc, oct-spparms.cc, qr.cc, qrp.cc, randmtzig.cc, randpoisson.cc, schur.cc, sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc, mk-ops.awk, mx-defs.h, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc, oct-group.cc, oct-passwd.cc, oct-syscalls.cc, oct-time.cc, oct-uname.cc, pathlen.h, syswait.h, cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c, glob-match.cc, kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-ieee.h, lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-edit.h, oct-rl-hist.c, oct-rl-hist.h, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc, statdefs.h, str-vec.cc, unwind-prot.cc, url-transfer.cc, acinclude.m4, display-available.c, display-available.h, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.in.cc, octave-config.in.cc, shared-fcns.h: Use "#if ..." consistently instead of "#ifdef" and "#ifndef".
author John W. Eaton <jwe@octave.org>
date Tue, 17 May 2016 12:09:30 -0400
parents 40de9f8f23a6
children 59cadee1c74b
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1 // RowVector manipulations.
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2 /*
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3
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4197fc428c7d maint: Update copyright notices for 2015.
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4 Copyright (C) 1994-2015 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if defined (HAVE_CONFIG_H)
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25 # include "config.h"
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26 #endif
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27
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28 #include <iostream>
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29
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30 #include "Array-util.h"
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31 #include "f77-fcn.h"
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32 #include "functor.h"
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33 #include "lo-error.h"
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34 #include "mx-base.h"
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35 #include "mx-inlines.cc"
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36 #include "oct-cmplx.h"
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37
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38 // Fortran functions we call.
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39
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40 extern "C"
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41 {
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42 F77_RET_T
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43 F77_FUNC (cgemv, CGEMV) (F77_CONST_CHAR_ARG_DECL,
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44 const octave_idx_type&, const octave_idx_type&,
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45 const FloatComplex&, const FloatComplex*,
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46 const octave_idx_type&, const FloatComplex*,
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47 const octave_idx_type&, const FloatComplex&,
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48 FloatComplex*, const octave_idx_type&
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49 F77_CHAR_ARG_LEN_DECL);
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50
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51 F77_RET_T
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52 F77_FUNC (xcdotu, XCDOTU) (const octave_idx_type&, const FloatComplex*,
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53 const octave_idx_type&, const FloatComplex*,
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54 const octave_idx_type&, FloatComplex&);
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55 }
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56
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57 // FloatComplex Row Vector class
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58
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59 bool
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60 FloatComplexRowVector::operator == (const FloatComplexRowVector& a) const
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61 {
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62 octave_idx_type len = numel ();
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63 if (len != a.numel ())
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64 return 0;
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65 return mx_inline_equal (len, data (), a.data ());
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66 }
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67
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68 bool
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69 FloatComplexRowVector::operator != (const FloatComplexRowVector& a) const
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70 {
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71 return !(*this == a);
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72 }
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73
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74 // destructive insert/delete/reorder operations
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75
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76 FloatComplexRowVector&
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77 FloatComplexRowVector::insert (const FloatRowVector& a, octave_idx_type c)
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78 {
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79 octave_idx_type a_len = a.numel ();
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80
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81 if (c < 0 || c + a_len > numel ())
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82 (*current_liboctave_error_handler) ("range error for insert");
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83
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84 if (a_len > 0)
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85 {
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86 make_unique ();
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87
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88 for (octave_idx_type i = 0; i < a_len; i++)
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89 xelem (c+i) = a.elem (i);
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90 }
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91
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92 return *this;
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93 }
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94
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95 FloatComplexRowVector&
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96 FloatComplexRowVector::insert (const FloatComplexRowVector& a,
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97 octave_idx_type c)
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98 {
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99 octave_idx_type a_len = a.numel ();
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100
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101 if (c < 0 || c + a_len > numel ())
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102 (*current_liboctave_error_handler) ("range error for insert");
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103
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104 if (a_len > 0)
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105 {
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106 make_unique ();
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107
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108 for (octave_idx_type i = 0; i < a_len; i++)
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109 xelem (c+i) = a.elem (i);
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110 }
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111
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112 return *this;
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113 }
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114
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115 FloatComplexRowVector&
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116 FloatComplexRowVector::fill (float val)
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117 {
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118 octave_idx_type len = numel ();
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119
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120 if (len > 0)
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121 {
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122 make_unique ();
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123
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124 for (octave_idx_type i = 0; i < len; i++)
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125 xelem (i) = val;
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126 }
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127
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128 return *this;
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129 }
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130
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131 FloatComplexRowVector&
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132 FloatComplexRowVector::fill (const FloatComplex& val)
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133 {
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134 octave_idx_type len = numel ();
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135
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136 if (len > 0)
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137 {
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138 make_unique ();
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139
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140 for (octave_idx_type i = 0; i < len; i++)
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141 xelem (i) = val;
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142 }
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143
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144 return *this;
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145 }
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146
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147 FloatComplexRowVector&
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148 FloatComplexRowVector::fill (float val, octave_idx_type c1, octave_idx_type c2)
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149 {
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150 octave_idx_type len = numel ();
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151
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152 if (c1 < 0 || c2 < 0 || c1 >= len || c2 >= len)
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153 (*current_liboctave_error_handler) ("range error for fill");
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154
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155 if (c1 > c2) { std::swap (c1, c2); }
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156
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157 if (c2 >= c1)
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158 {
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159 make_unique ();
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160
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161 for (octave_idx_type i = c1; i <= c2; i++)
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162 xelem (i) = val;
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163 }
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164
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165 return *this;
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166 }
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167
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168 FloatComplexRowVector&
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169 FloatComplexRowVector::fill (const FloatComplex& val,
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170 octave_idx_type c1, octave_idx_type c2)
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171 {
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172 octave_idx_type len = numel ();
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173
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174 if (c1 < 0 || c2 < 0 || c1 >= len || c2 >= len)
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175 (*current_liboctave_error_handler) ("range error for fill");
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176
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177 if (c1 > c2) { std::swap (c1, c2); }
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178
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179 if (c2 >= c1)
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180 {
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181 make_unique ();
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182
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183 for (octave_idx_type i = c1; i <= c2; i++)
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184 xelem (i) = val;
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185 }
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186
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187 return *this;
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188 }
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189
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190 FloatComplexRowVector
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191 FloatComplexRowVector::append (const FloatRowVector& a) const
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192 {
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193 octave_idx_type len = numel ();
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194 octave_idx_type nc_insert = len;
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195 FloatComplexRowVector retval (len + a.numel ());
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196 retval.insert (*this, 0);
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197 retval.insert (a, nc_insert);
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198 return retval;
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199 }
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200
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201 FloatComplexRowVector
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202 FloatComplexRowVector::append (const FloatComplexRowVector& a) const
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203 {
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204 octave_idx_type len = numel ();
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205 octave_idx_type nc_insert = len;
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206 FloatComplexRowVector retval (len + a.numel ());
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207 retval.insert (*this, 0);
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208 retval.insert (a, nc_insert);
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209 return retval;
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210 }
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211
11586
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212 FloatComplexColumnVector
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213 FloatComplexRowVector::hermitian (void) const
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214 {
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215 return MArray<FloatComplex>::hermitian (std::conj);
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216 }
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217
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218 FloatComplexColumnVector
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219 FloatComplexRowVector::transpose (void) const
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220 {
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221 return MArray<FloatComplex>::transpose ();
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222 }
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223
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224 FloatComplexRowVector
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225 conj (const FloatComplexRowVector& a)
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226 {
13107
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227 return do_mx_unary_map<FloatComplex, FloatComplex, std::conj<float> > (a);
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228 }
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229
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230 // resize is the destructive equivalent for this one
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231
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232 FloatComplexRowVector
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233 FloatComplexRowVector::extract (octave_idx_type c1, octave_idx_type c2) const
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234 {
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235 if (c1 > c2) { std::swap (c1, c2); }
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236
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237 octave_idx_type new_c = c2 - c1 + 1;
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238
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239 FloatComplexRowVector result (new_c);
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240
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241 for (octave_idx_type i = 0; i < new_c; i++)
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242 result.elem (i) = elem (c1+i);
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243
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244 return result;
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245 }
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246
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247 FloatComplexRowVector
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248 FloatComplexRowVector::extract_n (octave_idx_type r1, octave_idx_type n) const
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249 {
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250 FloatComplexRowVector result (n);
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251
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252 for (octave_idx_type i = 0; i < n; i++)
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253 result.elem (i) = elem (r1+i);
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254
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255 return result;
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256 }
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257
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258 // row vector by row vector -> row vector operations
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259
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260 FloatComplexRowVector&
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261 FloatComplexRowVector::operator += (const FloatRowVector& a)
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262 {
20232
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parents: 19697
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263 octave_idx_type len = numel ();
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264
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265 octave_idx_type a_len = a.numel ();
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266
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267 if (len != a_len)
21129
228b65504557 maint: Eliminate useless statements after err_XXX.
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268 err_nonconformant ("operator +=", len, a_len);
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269
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270 if (len == 0)
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271 return *this;
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272
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273 FloatComplex *d = fortran_vec (); // Ensures only 1 reference to my privates!
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274
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275 mx_inline_add2 (len, d, a.data ());
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276 return *this;
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277 }
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278
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279 FloatComplexRowVector&
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280 FloatComplexRowVector::operator -= (const FloatRowVector& a)
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281 {
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282 octave_idx_type len = numel ();
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283
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a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
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284 octave_idx_type a_len = a.numel ();
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285
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286 if (len != a_len)
21129
228b65504557 maint: Eliminate useless statements after err_XXX.
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parents: 21120
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287 err_nonconformant ("operator -=", len, a_len);
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288
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289 if (len == 0)
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290 return *this;
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291
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292 FloatComplex *d = fortran_vec (); // Ensures only 1 reference to my privates!
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293
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294 mx_inline_sub2 (len, d, a.data ());
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295 return *this;
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296 }
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297
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298 // row vector by matrix -> row vector
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299
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300 FloatComplexRowVector
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301 operator * (const FloatComplexRowVector& v, const FloatComplexMatrix& a)
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302 {
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303 FloatComplexRowVector retval;
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304
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a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
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305 octave_idx_type len = v.numel ();
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306
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307 octave_idx_type a_nr = a.rows ();
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308 octave_idx_type a_nc = a.cols ();
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309
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310 if (a_nr != len)
21100
e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents: 20466
diff changeset
311 err_nonconformant ("operator *", 1, len, a_nr, a_nc);
21120
499b851fbfae Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
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312
499b851fbfae Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents: 21100
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313 if (len == 0)
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314 retval.resize (a_nc, 0.0);
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315 else
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316 {
21120
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317 // Transpose A to form A'*x == (x'*A)'
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318
21120
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319 octave_idx_type ld = a_nr;
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320
21120
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321 retval.resize (a_nc);
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322 FloatComplex *y = retval.fortran_vec ();
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323
21120
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parents: 21100
diff changeset
324 F77_XFCN (cgemv, CGEMV, (F77_CONST_CHAR_ARG2 ("T", 1),
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325 a_nr, a_nc, 1.0, a.data (),
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diff changeset
326 ld, v.data (), 1, 0.0, y, 1
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327 F77_CHAR_ARG_LEN (1)));
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328 }
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329
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330 return retval;
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331 }
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332
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333 FloatComplexRowVector
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diff changeset
334 operator * (const FloatRowVector& v, const FloatComplexMatrix& a)
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335 {
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336 FloatComplexRowVector tmp (v);
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337 return tmp * a;
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338 }
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339
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340 // other operations
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341
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342 FloatComplex
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343 FloatComplexRowVector::min (void) const
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diff changeset
344 {
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
345 octave_idx_type len = numel ();
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346 if (len == 0)
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347 return FloatComplex (0.0);
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348
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349 FloatComplex res = elem (0);
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350 float absres = std::abs (res);
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351
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352 for (octave_idx_type i = 1; i < len; i++)
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353 if (std::abs (elem (i)) < absres)
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354 {
10314
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
355 res = elem (i);
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parents: 10158
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356 absres = std::abs (res);
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357 }
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358
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359 return res;
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360 }
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361
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diff changeset
362 FloatComplex
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diff changeset
363 FloatComplexRowVector::max (void) const
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diff changeset
364 {
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
365 octave_idx_type len = numel ();
7789
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diff changeset
366 if (len == 0)
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367 return FloatComplex (0.0);
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diff changeset
368
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diff changeset
369 FloatComplex res = elem (0);
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parents:
diff changeset
370 float absres = std::abs (res);
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parents:
diff changeset
371
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diff changeset
372 for (octave_idx_type i = 1; i < len; i++)
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parents:
diff changeset
373 if (std::abs (elem (i)) > absres)
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parents:
diff changeset
374 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
375 res = elem (i);
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
376 absres = std::abs (res);
7789
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377 }
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diff changeset
378
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diff changeset
379 return res;
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380 }
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diff changeset
381
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parents:
diff changeset
382 // i/o
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parents:
diff changeset
383
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parents:
diff changeset
384 std::ostream&
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parents:
diff changeset
385 operator << (std::ostream& os, const FloatComplexRowVector& a)
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parents:
diff changeset
386 {
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diff changeset
387 // int field_width = os.precision () + 7;
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
388 for (octave_idx_type i = 0; i < a.numel (); i++)
7789
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diff changeset
389 os << " " /* setw (field_width) */ << a.elem (i);
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parents:
diff changeset
390 return os;
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parents:
diff changeset
391 }
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parents:
diff changeset
392
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parents:
diff changeset
393 std::istream&
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parents:
diff changeset
394 operator >> (std::istream& is, FloatComplexRowVector& a)
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parents:
diff changeset
395 {
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
396 octave_idx_type len = a.numel ();
7789
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diff changeset
397
8999
dc07bc4157b8 allow empty matrices in stream input operators
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
398 if (len > 0)
7789
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399 {
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400 FloatComplex tmp;
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401 for (octave_idx_type i = 0; i < len; i++)
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402 {
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403 is >> tmp;
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404 if (is)
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405 a.elem (i) = tmp;
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406 else
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407 break;
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408 }
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409 }
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410 return is;
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411 }
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412
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413 // row vector by column vector -> scalar
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parents:
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414
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415 // row vector by column vector -> scalar
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416
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417 FloatComplex
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418 operator * (const FloatComplexRowVector& v, const FloatColumnVector& a)
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419 {
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420 FloatComplexColumnVector tmp (a);
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421 return v * tmp;
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422 }
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423
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424 FloatComplex
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425 operator * (const FloatComplexRowVector& v, const FloatComplexColumnVector& a)
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426 {
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427 FloatComplex retval (0.0, 0.0);
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428
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
429 octave_idx_type len = v.numel ();
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430
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
431 octave_idx_type a_len = a.numel ();
7789
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432
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433 if (len != a_len)
21100
e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents: 20466
diff changeset
434 err_nonconformant ("operator *", len, a_len);
21120
499b851fbfae Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents: 21100
diff changeset
435
499b851fbfae Replace pattern if/err_XXX/else/code with if/err_XXX/ code.
Rik <rik@octave.org>
parents: 21100
diff changeset
436 if (len != 0)
7789
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437 F77_FUNC (xcdotu, XCDOTU) (len, v.data (), 1, a.data (), 1, retval);
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diff changeset
438
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439 return retval;
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440 }
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441
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442 // other operations
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443
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444 FloatComplexRowVector
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445 linspace (const FloatComplex& x1, const FloatComplex& x2, octave_idx_type n)
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446 {
20466
16b9ec39ff46 Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents: 20232
diff changeset
447 NoAlias<FloatComplexRowVector> retval;
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9550
diff changeset
448
20466
16b9ec39ff46 Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents: 20232
diff changeset
449 if (n < 1)
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Rik <rik@octave.org>
parents: 20232
diff changeset
450 return retval;
16b9ec39ff46 Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents: 20232
diff changeset
451 else
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Rik <rik@octave.org>
parents: 20232
diff changeset
452 retval.clear (n);
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Rik <rik@octave.org>
parents: 20232
diff changeset
453
16b9ec39ff46 Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents: 20232
diff changeset
454 retval(0) = x1;
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455
9653
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Jaroslav Hajek <highegg@gmail.com>
parents: 9550
diff changeset
456 FloatComplex delta = (x2 - x1) / (n - 1.0f);
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parents: 9550
diff changeset
457 for (octave_idx_type i = 1; i < n-1; i++)
9658
3429c956de6f extend linspace & fix up liboctave rewrite
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
458 retval(i) = x1 + static_cast<float> (i)*delta;
20466
16b9ec39ff46 Return empty matrix when linspace called with 0 points (bug #45820)
Rik <rik@octave.org>
parents: 20232
diff changeset
459
9653
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Jaroslav Hajek <highegg@gmail.com>
parents: 9550
diff changeset
460 retval(n-1) = x2;
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461
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462 return retval;
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463 }