annotate libinterp/corefcn/lookup.cc @ 24534:194eb4bd202b

maint: Update punctuation for GPL v3 license text. * COPYING, Makefile.am, README, bootstrap, bootstrap.conf, OctJavaQry.java, changelog.tmpl, check-subst-vars.in.sh, find-defun-files.sh, find-files-with-tests.sh, get-source-mtime.sh, mk-hg-id.sh, mk-octave-config-h.sh, mk-opts.pl, stl_algo.h-fixed, subst-config-vals.in.sh, subst-cross-config-vals.in.sh, subst-default-vals.in.sh, subst-script-vals.in.sh, configure.ac, Doxyfile.in, arith.txi, audio.txi, basics.txi, bugs.txi, config-images.sh, container.txi, cp-idx.txi, data.txi, debug.txi, diagperm.txi, diffeq.txi, add_to_aspell_dict, mk_undocumented_list, spellcheck, errors.txi, eval.txi, expr.txi, external.txi, fn-idx.txi, func.txi, genpropdoc.m, geometry.txi, geometryimages.m, grammar.txi, gui.txi, image.txi, images.awk, install.txi, interp.txi, interpimages.m, intro.txi, io.txi, linalg.txi, macros.texi, matrix.txi, mk-doc-cache.pl, mkcontrib.awk, mkoctfile.1, munge-texi.pl, nonlin.txi, numbers.txi, obsolete.txi, octave-cli.1, octave-config.1, octave.1, octave.css, octave.texi, oop.txi, op-idx.txi, optim.txi, package.txi, plot.txi, plotimages.m, poly.txi, preface.txi, quad.txi, set.txi, signal.txi, sparse.txi, sparseimages.m, splineimages.m, stats.txi, stmt.txi, strings.txi, system.txi, testfun.txi, var.txi, vectorize.txi, array.texi, bugs.texi, cp-idx.texi, dae.texi, diffeq.texi, error.texi, factor.texi, fn-idx.texi, gpl.texi, install.texi, intro.texi, liboctave.texi, matvec.texi, nleqn.texi, nlfunc.texi, ode.texi, optim.texi, preface.texi, quad.texi, range.texi, refcard-a4.tex, refcard-legal.tex, refcard-letter.tex, refcard.tex, HACKING.md, octave.appdata.xml.in, Backend.cc, Backend.h, BaseControl.cc, BaseControl.h, ButtonControl.cc, ButtonControl.h, ButtonGroup.cc, ButtonGroup.h, Canvas.cc, Canvas.h, CheckBoxControl.cc, CheckBoxControl.h, Container.cc, Container.h, ContextMenu.cc, ContextMenu.h, EditControl.cc, EditControl.h, Figure.cc, Figure.h, FigureWindow.cc, FigureWindow.h, GLCanvas.cc, GLCanvas.h, GenericEventNotify.h, KeyMap.cc, KeyMap.h, ListBoxControl.cc, ListBoxControl.h, Logger.cc, Logger.h, Menu.cc, Menu.h, MenuContainer.h, MouseModeActionGroup.cc, MouseModeActionGroup.h, Object.cc, Object.h, ObjectFactory.cc, ObjectFactory.h, ObjectProxy.cc, ObjectProxy.h, Panel.cc, Panel.h, PopupMenuControl.cc, PopupMenuControl.h, PushButtonControl.cc, PushButtonControl.h, PushTool.cc, PushTool.h, QtHandlesUtils.cc, QtHandlesUtils.h, RadioButtonControl.cc, RadioButtonControl.h, SliderControl.cc, SliderControl.h, TextControl.cc, TextControl.h, TextEdit.cc, TextEdit.h, ToggleButtonControl.cc, ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc, ToolBar.h, ToolBarButton.cc, ToolBarButton.h, __init_qt__.cc, __init_qt__.h, annotation-dialog.cc, annotation-dialog.h, gl-select.cc, gl-select.h, liboctgui-build-info.h, liboctgui-build-info.in.cc, mk-default-qt-settings.in.sh, QTerminal.cc, QTerminal.h, BlockArray.cpp, BlockArray.h, Character.h, CharacterColor.h, Emulation.cpp, Emulation.h, Filter.cpp, Filter.h, History.cpp, History.h, KeyboardTranslator.cpp, KeyboardTranslator.h, QUnixTerminalImpl.cpp, QUnixTerminalImpl.h, Screen.cpp, Screen.h, ScreenWindow.cpp, ScreenWindow.h, SelfListener.cpp, SelfListener.h, TerminalCharacterDecoder.cpp, TerminalCharacterDecoder.h, TerminalModel.cpp, TerminalModel.h, TerminalView.cpp, TerminalView.h, Vt102Emulation.cpp, Vt102Emulation.h, kpty.cpp, kpty.h, kpty_p.h, QTerminalColors.cpp, QTerminalColors.h, QWinTerminalImpl.cpp, QWinTerminalImpl.h, main.cpp, color-picker.cc, color-picker.h, dialog.cc, dialog.h, documentation-dock-widget.cc, documentation-dock-widget.h, external-editor-interface.cc, external-editor-interface.h, files-dock-widget.cc, files-dock-widget.h, find-files-dialog.cc, find-files-dialog.h, find-files-model.cc, find-files-model.h, history-dock-widget.cc, history-dock-widget.h, file-editor-interface.h, file-editor-tab.cc, file-editor-tab.h, file-editor.cc, file-editor.h, find-dialog.cc, find-dialog.h, marker.cc, marker.h, octave-qscintilla.cc, octave-qscintilla.h, octave-txt-lexer.cc, octave-txt-lexer.h, main-window.cc, main-window.h, octave-cmd.cc, octave-cmd.h, octave-dock-widget.cc, octave-dock-widget.h, octave-gui.cc, octave-gui.h, octave-qt-link.cc, octave-qt-link.h, octave-settings.h, texinfo-parser.cc, texinfo-parser.h, webinfo.cc, webinfo.h, resource-manager.cc, resource-manager.h, settings-dialog.cc, settings-dialog.h, shortcut-manager.cc, shortcut-manager.h, terminal-dock-widget.cc, terminal-dock-widget.h, thread-manager.cc, thread-manager.h, variable-editor-model.cc, variable-editor-model.h, variable-editor.cc, variable-editor.h, welcome-wizard.cc, welcome-wizard.h, workspace-model.cc, workspace-model.h, workspace-view.cc, workspace-view.h, build-env.h, build-env.in.cc, builtins.h, Cell.cc, Cell.h, __contourc__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __luinc__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, base-text-renderer.h, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, cdisplay.c, cdisplay.h, cellfun.cc, coct-hdf5-types.c, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, default-defs.in.h, defaults.cc, defaults.h, defun-dld.h, defun-int.h, defun.cc, defun.h, det.cc, dirfns.cc, dirfns.h, display.cc, display.h, dlmread.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.cc, errwarn.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, file-io.h, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gammainc.cc, gcd.cc, genprops.awk, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-handle.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, graphics.in.h, gripes.cc, gripes.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc, help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, inv.cc, kron.cc, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-hdf5.cc, ls-hdf5.h, ls-mat-ascii.cc, ls-mat-ascii.h, ls-mat4.cc, ls-mat4.h, ls-mat5.cc, ls-mat5.h, ls-oct-binary.cc, ls-oct-binary.h, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mex.h, mexproto.h, mgorth.cc, mk-errno-list.sh, mk-mxarray-h.in.sh, mxarray.in.h, nproc.cc, oct-errno.h, oct-errno.in.cc, oct-fstrm.cc, oct-fstrm.h, oct-handle.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hdf5.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-map.cc, oct-map.h, oct-obj.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.in.yy, oct.h, octave-default-image.h, octave-link.cc, octave-link.h, ordschur.cc, pager.cc, pager.h, pinv.cc, pr-output.cc, pr-output.h, procstream.cc, procstream.h, psi.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, toplev.h, tril.cc, tsearch.cc, txt-eng.cc, txt-eng.h, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, workspace-element.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h, zfstream.cc, zfstream.h, deprecated-config.h, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, config-module.awk, config-module.sh, convhulln.cc, dmperm.cc, fftw.cc, gzip.cc, oct-qhull.h, qr.cc, symbfact.cc, symrcm.cc, liboctinterp-build-info.h, liboctinterp-build-info.in.cc, mk-build-env-features.sh, mk-builtins.pl, mk-doc.pl, mk-pkg-add.sh, mk-version-h.in.sh, ov-base-diag.cc, ov-base-diag.h, ov-base-int.cc, ov-base-int.h, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base-scalar.h, ov-base-sparse.cc, ov-base-sparse.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h, ov-builtin.cc, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-ch-mat.cc, ov-ch-mat.h, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-colon.cc, ov-colon.h, ov-complex.cc, ov-complex.h, ov-cs-list.cc, ov-cs-list.h, ov-cx-diag.cc, ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc, ov-cx-sparse.h, ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn-inline.cc, ov-fcn-inline.h, ov-fcn.cc, ov-fcn.h, ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc, ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h, ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-int-traits.h, ov-int16.cc, ov-int16.h, ov-int32.cc, ov-int32.h, ov-int64.cc, ov-int64.h, ov-int8.cc, ov-int8.h, ov-intx.h, ov-java.cc, ov-java.h, ov-lazy-idx.cc, ov-lazy-idx.h, ov-mex-fcn.cc, ov-mex-fcn.h, ov-null-mat.cc, ov-null-mat.h, ov-oncleanup.cc, ov-oncleanup.h, ov-perm.cc, ov-perm.h, ov-range.cc, ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h, ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov-str-mat.h, ov-struct.cc, ov-struct.h, ov-typeinfo.cc, ov-typeinfo.h, ov-uint16.cc, ov-uint16.h, ov-uint32.cc, ov-uint32.h, ov-uint64.cc, ov-uint64.h, ov-uint8.cc, ov-uint8.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, ovl.cc, ovl.h, octave.cc, octave.h, op-kw-docs, mk-ops.sh, 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-cs.cc, op-cdm-dm.cc, op-cdm-m.cc, op-cdm-s.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-pm.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-cs.cc, op-dm-dm.cc, op-dm-m.cc, op-dm-s.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcdm-fcm.cc, op-fcdm-fcs.cc, op-fcdm-fdm.cc, op-fcdm-fm.cc, op-fcdm-fs.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-fcm-pm.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-fcs.cc, op-fdm-fdm.cc, op-fdm-fm.cc, op-fdm-fs.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-fm-pm.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.h, op-m-cdm.cc, op-m-cm.cc, op-m-cs.cc, op-m-dm.cc, op-m-m.cc, op-m-pm.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-cm.cc, op-pm-fcm.cc, op-pm-fm.cc, op-pm-m.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, ops.h, options-usage.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.in.yy, octave.gperf, parse.h, profiler.cc, profiler.h, pt-all.h, pt-arg-list.cc, pt-arg-list.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-funcall.cc, pt-funcall.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jit.cc, pt-jit.h, pt-jump.cc, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Array-jit.cc, Array-tc.cc, version.cc, version.in.h, 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-util.h, Array-voidp.cc, Array.cc, Array.h, CColVector.cc, CColVector.h, CDiagMatrix.cc, CDiagMatrix.h, CMatrix.cc, CMatrix.h, CNDArray.cc, CNDArray.h, CRowVector.cc, CRowVector.h, CSparse.cc, CSparse.h, DiagArray2.cc, DiagArray2.h, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc, MArray.h, MDiagArray2.cc, MDiagArray2.h, MSparse-C.cc, MSparse-d.cc, MSparse.cc, MSparse.h, Matrix.h, MatrixType.cc, MatrixType.h, PermMatrix.cc, PermMatrix.h, Range.cc, Range.h, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc, Sparse.h, boolMatrix.cc, boolMatrix.h, boolNDArray.cc, boolNDArray.h, boolSparse.cc, boolSparse.h, chMatrix.cc, chMatrix.h, chNDArray.cc, chNDArray.h, dColVector.cc, dColVector.h, dDiagMatrix.cc, dDiagMatrix.h, dMatrix.cc, dMatrix.h, dNDArray.cc, dNDArray.h, dRowVector.cc, dRowVector.h, dSparse.cc, dSparse.h, dim-vector.cc, dim-vector.h, fCColVector.cc, fCColVector.h, fCDiagMatrix.cc, fCDiagMatrix.h, fCMatrix.cc, fCMatrix.h, fCNDArray.cc, fCNDArray.h, fCRowVector.cc, fCRowVector.h, fColVector.cc, fColVector.h, fDiagMatrix.cc, fDiagMatrix.h, fMatrix.cc, fMatrix.h, fNDArray.cc, fNDArray.h, fRowVector.cc, fRowVector.h, idx-vector.cc, idx-vector.h, int16NDArray.cc, int16NDArray.h, int32NDArray.cc, int32NDArray.h, int64NDArray.cc, int64NDArray.h, int8NDArray.cc, int8NDArray.h, intNDArray.cc, intNDArray.h, uint16NDArray.cc, uint16NDArray.h, uint32NDArray.cc, uint32NDArray.h, uint64NDArray.cc, uint64NDArray.h, uint8NDArray.cc, uint8NDArray.h, cconv2.f, cdotc3.f, cmatm3.f, csconv2.f, dconv2.f, ddot3.f, dmatm3.f, sconv2.f, sdot3.f, smatm3.f, zconv2.f, zdconv2.f, zdotc3.f, zmatm3.f, crsf2csf.f, zrsf2csf.f, mk-f77-def.in.sh, liboctave-build-info.h, liboctave-build-info.in.cc, CollocWt.cc, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h, DAERTFunc.h, DASPK-opts.in, DASPK.cc, DASPK.h, 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compare_plot_demos.m, dump_demos.m, html_compare_plot_demos.m, rundemos.m, runtests.m, speed.m, test.m, addtodate.m, asctime.m, calendar.m, clock.m, ctime.m, date.m, datenum.m, datestr.m, datevec.m, eomday.m, etime.m, is_leap_year.m, now.m, weekday.m, display-available.c, display-available.h, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.h, octave-build-info.in.cc, octave-config.in.cc, shared-fcns.h, args.tst, bug-31371.tst, bug-35448.tst, bug-35881.tst, bug-36025.tst, bug-38236.tst, bug-38565.tst, bug-38576.tst, bug-38691.tst, bug-41723.tst, bug-44940.tst, bug-46330.tst, bug-46660.tst, bug-50014.tst, bug-50035.tst, bug-50716.tst, bug-51192.tst, bug-51532.tst, bug-51534.tst, bug-51599.tst, bug-52075.tst, class-concat.tst, classdef-multiple-inheritance.tst, classdef.tst, classes.tst, colormaps.tst, command.tst, complex.tst, ctor-vs-method.tst, deprecate-props.tst, diag-perm.tst, error.tst, eval-catch.tst, fcn-handle-derived-resolution.tst, fntests.m, for.tst, func.tst, global.tst, if.tst, index.tst, io.tst, jit.tst, leftdiv.tst, line-continue.tst, logical-index.tst, mk-bc-overloads-tst.sh, mk-conv-tst.sh, mk-sparse-tst.sh, nest.tst, null-assign.tst, parser.tst, prefer.tst, publish.tst, range.tst, recursion.tst, return.tst, show-failures.awk, single-index.tst, slice.tst, struct.tst, switch.tst, system.tst, transpose.tst, try.tst, unwind.tst, while.tst: Changed punctuation of GPL license text to match that suggested by FSF.
author Rik <rik@octave.org>
date Sat, 06 Jan 2018 07:57:19 -0800
parents d68d1096d294
children a00033be2134
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1 /*
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2
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3 Copyright (C) 2008-2017 VZLU Prague a.s., Czech Republic
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4
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5 This file is part of Octave.
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6
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7 Octave is free software: you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <https://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 // Author: Jaroslav Hajek <highegg@gmail.com>
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24
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25 #if defined (HAVE_CONFIG_H)
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26 # include "config.h"
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27 #endif
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28
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29 #include <cctype>
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30 #include <functional>
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31 #include <algorithm>
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32
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33 #include "dNDArray.h"
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34 #include "CNDArray.h"
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35
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36 #include "Cell.h"
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37 #include "defun.h"
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38 #include "error.h"
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39 #include "errwarn.h"
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40 #include "ovl.h"
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41 #include "ov.h"
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42
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43 static
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44 bool
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45 contains_char (const std::string& str, char c)
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46 {
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47 return (str.find (c) != std::string::npos
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48 || str.find (std::toupper (c)) != std::string::npos);
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49 }
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50
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51 // case-insensitive character comparison functors
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52 struct icmp_char_lt : public std::binary_function<char, char, bool>
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53 {
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54 bool operator () (char x, char y) const
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55 { return std::toupper (x) < std::toupper (y); }
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56 };
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57
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58 struct icmp_char_gt : public std::binary_function<char, char, bool>
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59 {
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60 bool operator () (char x, char y) const
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61 { return std::toupper (x) > std::toupper (y); }
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62 };
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63
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64 // FIXME: maybe these should go elsewhere?
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65 // FIXME: are they even needed now?
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66 // case-insensitive ascending comparator
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67 #if 0
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68 static bool
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69 stri_comp_lt (const std::string& a, const std::string& b)
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70 {
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71 return std::lexicographical_compare (a.begin (), a.end (),
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72 b.begin (), b.end (),
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73 icmp_char_lt ());
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74 }
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75
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76 // case-insensitive descending comparator
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77 static bool
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78 stri_comp_gt (const std::string& a, const std::string& b)
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79 {
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80 return std::lexicographical_compare (a.begin (), a.end (),
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81 b.begin (), b.end (),
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82 icmp_char_gt ());
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83 }
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84 #endif
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85
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86 template <typename T>
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87 inline sortmode
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88 get_sort_mode (const Array<T>& array,
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89 typename octave_sort<T>::compare_fcn_type desc_comp
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90 = octave_sort<T>::descending_compare)
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91 {
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92 octave_idx_type n = array.numel ();
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93 if (n > 1 && desc_comp (array (0), array (n-1)))
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94 return DESCENDING;
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95 else
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96 return ASCENDING;
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97 }
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98
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99 // FIXME: perhaps there should be octave_value::lookup?
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100 // The question is, how should it behave w.r.t. the second argument's type.
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101 // We'd need a dispatch on two arguments. Hmmm...
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102
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103 #define INT_ARRAY_LOOKUP(TYPE) \
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104 (table.is_ ## TYPE ## _type () && y.is_ ## TYPE ## _type ()) \
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105 retval = do_numeric_lookup (table.TYPE ## _array_value (), \
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106 y.TYPE ## _array_value (), \
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107 left_inf, right_inf, \
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108 match_idx, match_bool);
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109 template <typename ArrayT>
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110 static octave_value
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111 do_numeric_lookup (const ArrayT& array, const ArrayT& values,
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112 bool left_inf, bool right_inf,
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113 bool match_idx, bool match_bool)
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114 {
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115 octave_value retval;
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116
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117 Array<octave_idx_type> idx = array.lookup (values);
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118 octave_idx_type n = array.numel ();
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119 octave_idx_type nval = values.numel ();
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120
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121 // Post-process.
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122 if (match_bool)
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123 {
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124 boolNDArray match (idx.dims ());
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125 for (octave_idx_type i = 0; i < nval; i++)
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126 {
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127 octave_idx_type j = idx.xelem (i);
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128 match.xelem (i) = j != 0 && values(i) == array(j-1);
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129 }
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130
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131 retval = match;
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132 }
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133 else if (match_idx || left_inf || right_inf)
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134 {
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135 if (match_idx)
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136 {
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137 NDArray ridx (idx.dims ());
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138
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139 for (octave_idx_type i = 0; i < nval; i++)
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140 {
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141 octave_idx_type j = idx.xelem (i);
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142 ridx.xelem (i) = (j != 0 && values(i) == array(j-1)) ? j : 0;
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143 }
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144
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145 retval = ridx;
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146 }
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147 else if (left_inf && right_inf)
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148 {
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149 // Results in valid indices. Optimize using lazy index.
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150 octave_idx_type zero = 0;
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151 for (octave_idx_type i = 0; i < nval; i++)
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152 {
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153 octave_idx_type j = idx.xelem (i) - 1;
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154 idx.xelem (i) = std::max (zero, std::min (j, n-2));
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155 }
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156
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157 retval = idx_vector (idx);
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158 }
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159 else if (left_inf)
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160 {
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161 // Results in valid indices. Optimize using lazy index.
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162 octave_idx_type zero = 0;
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163 for (octave_idx_type i = 0; i < nval; i++)
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164 {
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165 octave_idx_type j = idx.xelem (i) - 1;
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166 idx.xelem (i) = std::max (zero, j);
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167 }
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168
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169 retval = idx_vector (idx);
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170 }
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171 else if (right_inf)
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172 {
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173 NDArray ridx (idx.dims ());
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174
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175 for (octave_idx_type i = 0; i < nval; i++)
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176 {
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177 octave_idx_type j = idx.xelem (i);
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178 ridx.xelem (i) = std::min (j, n-1);
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179 }
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180
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181 retval = ridx;
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182 }
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183 }
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184 else
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185 retval = idx;
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186
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187 return retval;
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188 }
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189
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190 DEFUN (lookup, args, ,
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191 doc: /* -*- texinfo -*-
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192 @deftypefn {} {@var{idx} =} lookup (@var{table}, @var{y})
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193 @deftypefnx {} {@var{idx} =} lookup (@var{table}, @var{y}, @var{opt})
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194 Lookup values in a @strong{sorted} table.
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195
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196 This function is usually used as a prelude to interpolation.
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197
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198 If table is increasing and @code{idx = lookup (table, y)}, then
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199 @code{table(idx(i)) <= y(i) < table(idx(i+1))} for all @code{y(i)} within the
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200 table. If @code{y(i) < table(1)} then @code{idx(i)} is 0. If
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201 @code{y(i) >= table(end)} or @code{isnan (y(i))} then @code{idx(i)} is
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202 @code{n}.
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203
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204 If the table is decreasing, then the tests are reversed. For non-strictly
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205 monotonic tables, empty intervals are always skipped. The result is undefined
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206 if @var{table} is not monotonic, or if @var{table} contains a NaN.
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207
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208 The complexity of the lookup is O(M*log(N)) where N is the size of @var{table}
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209 and M is the size of @var{y}. In the special case when @var{y} is also sorted,
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210 the complexity is O(min (M*log(N), M+N)).
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211
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212 @var{table} and @var{y} can also be cell arrays of strings (or @var{y} can be a
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213 single string). In this case, string lookup is performed using lexicographical
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214 comparison.
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215
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216 If @var{opts} is specified, it must be a string with letters indicating
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217 additional options.
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218
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219 @table @code
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220 @item m
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221 Match. @code{table(idx(i)) == y(i)} if @code{y(i)} occurs in table;
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222 otherwise, @code{idx(i)} is zero.
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223
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224 @item b
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225 Boolean. @code{idx(i)} is a logical 1 or 0, indicating whether @code{y(i)}
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226 is contained in table or not.
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227
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228 @item l
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229 Left. For numeric lookups the leftmost subinterval shall be extended to
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230 infinity (i.e., all indices at least 1).
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231
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232 @item r
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233 Right. For numeric lookups the rightmost subinterval shall be extended to
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234 infinity (i.e., all indices at most n-1).
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235 @end table
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236
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237 @strong{Note}: If @var{table} is not sorted the results from @code{lookup}
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238 will be unpredictable.
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239 @end deftypefn */)
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240 {
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241 int nargin = args.length ();
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242
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243 if (nargin < 2 || nargin > 3)
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244 print_usage ();
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245
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246 octave_value table = args(0);
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247 octave_value y = args(1);
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248 if (table.ndims () > 2 || (table.columns () > 1 && table.rows () > 1))
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249 warning ("lookup: table is not a vector");
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250
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251 octave_value retval;
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252
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253 bool num_case = ((table.isnumeric () && y.isnumeric ())
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254 || (table.is_char_matrix () && y.is_char_matrix ()));
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255 bool str_case = table.iscellstr () && (y.is_string () || y.iscellstr ());
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256 bool left_inf = false;
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257 bool right_inf = false;
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258 bool match_idx = false;
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259 bool match_bool = false;
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260
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261 if (nargin == 3)
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262 {
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263 std::string opt = args(2).xstring_value ("lookup: OPT must be a string");
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264 left_inf = contains_char (opt, 'l');
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265 right_inf = contains_char (opt, 'r');
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266 match_idx = contains_char (opt, 'm');
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267 match_bool = contains_char (opt, 'b');
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268 if (opt.find_first_not_of ("lrmb") != std::string::npos)
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269 error ("lookup: unrecognized option: %c",
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270 opt[opt.find_first_not_of ("lrmb")]);
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271 }
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272
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273 if ((match_idx || match_bool) && (left_inf || right_inf))
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274 error ("lookup: m, b cannot be specified with l or r");
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275 else if (match_idx && match_bool)
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276 error ("lookup: only one of m or b can be specified");
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277 else if (str_case && (left_inf || right_inf))
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278 error ("lookup: l, r are not recognized for string lookups");
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279
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280 if (num_case)
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281 {
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282 // In the case of a complex array, absolute values will be used for
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283 // compatibility (though it's not too meaningful).
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284 if (table.iscomplex ())
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285 table = table.abs ();
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286
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287 if (y.iscomplex ())
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288 y = y.abs ();
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289
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290 Array<octave_idx_type> idx;
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291
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292 // PS: I learned this from data.cc
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293 if INT_ARRAY_LOOKUP (int8)
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294 else if INT_ARRAY_LOOKUP (int16)
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295 else if INT_ARRAY_LOOKUP (int32)
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296 else if INT_ARRAY_LOOKUP (int64)
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297 else if INT_ARRAY_LOOKUP (uint8)
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298 else if INT_ARRAY_LOOKUP (uint16)
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299 else if INT_ARRAY_LOOKUP (uint32)
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300 else if INT_ARRAY_LOOKUP (uint64)
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301 else if (table.is_char_matrix () && y.is_char_matrix ())
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302 retval = do_numeric_lookup (table.char_array_value (),
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303 y.char_array_value (),
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304 left_inf, right_inf,
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305 match_idx, match_bool);
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306 else if (table.is_single_type () || y.is_single_type ())
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307 retval = do_numeric_lookup (table.float_array_value (),
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308 y.float_array_value (),
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309 left_inf, right_inf,
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310 match_idx, match_bool);
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311 else
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312 retval = do_numeric_lookup (table.array_value (),
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313 y.array_value (),
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314 left_inf, right_inf,
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315 match_idx, match_bool);
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316 }
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317 else if (str_case)
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318 {
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319 Array<std::string> str_table = table.cellstr_value ();
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320 Array<std::string> str_y (dim_vector (1, 1));
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321
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322 if (y.iscellstr ())
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323 str_y = y.cellstr_value ();
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324 else
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325 str_y(0) = y.string_value ();
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326
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327 Array<octave_idx_type> idx = str_table.lookup (str_y);
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328 octave_idx_type nval = str_y.numel ();
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329
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330 // Post-process.
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331 if (match_bool)
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332 {
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333 boolNDArray match (idx.dims ());
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334 for (octave_idx_type i = 0; i < nval; i++)
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335 {
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336 octave_idx_type j = idx.xelem (i);
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337 match.xelem (i) = j != 0 && str_y(i) == str_table(j-1);
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338 }
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339
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340 retval = match;
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341 }
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342 else if (match_idx)
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343 {
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344 NDArray ridx (idx.dims ());
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345 if (match_idx)
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346 {
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347 for (octave_idx_type i = 0; i < nval; i++)
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348 {
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349 octave_idx_type j = idx.xelem (i);
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350 ridx.xelem (i) = (j != 0 && str_y(i) == str_table(j-1) ? j
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351 : 0);
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352 }
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353 }
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354
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355 retval = ridx;
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356 }
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357 else
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358 retval = idx;
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359 }
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360 else
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361 print_usage ();
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362
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363 return retval;
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364 }
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365
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366 /*
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367 %!assert (lookup (1:3, 0.5), 0) # value before table
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368 %!assert (lookup (1:3, 3.5), 3) # value after table error
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369 %!assert (lookup (1:3, 1.5), 1) # value within table error
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370 %!assert (lookup (1:3, [3,2,1]), [3,2,1])
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371 %!assert (lookup ([1:4]', [1.2, 3.5]'), [1, 3]')
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372 %!assert (lookup ([1:4], [1.2, 3.5]'), [1, 3]')
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373 %!assert (lookup ([1:4]', [1.2, 3.5]), [1, 3])
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374 %!assert (lookup ([1:4], [1.2, 3.5]), [1, 3])
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375 %!assert (lookup (1:3, [3, 2, 1]), [3, 2, 1])
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376 %!assert (lookup ([3:-1:1], [3.5, 3, 1.2, 2.5, 2.5]), [0, 1, 2, 1, 1])
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377 %!assert (isempty (lookup ([1:3], [])))
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378 %!assert (isempty (lookup ([1:3]', [])))
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379 %!assert (lookup (1:3, [1, 2; 3, 0.5]), [1, 2; 3, 0])
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380 %!assert (lookup (1:4, [1, 1.2; 3, 2.5], "m"), [1, 0; 3, 0])
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381 %!assert (lookup (4:-1:1, [1, 1.2; 3, 2.5], "m"), [4, 0; 2, 0])
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382 %!assert (lookup (1:4, [1, 1.2; 3, 2.5], "b"), logical ([1, 0; 3, 0]))
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383 %!assert (lookup (4:-1:1, [1, 1.2; 3, 2.5], "b"), logical ([4, 0; 2, 0]))
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384 %!
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385 %!assert (lookup ({"apple","lemon","orange"}, {"banana","kiwi"; "ananas","mango"}), [1,1;0,2])
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386 %!assert (lookup ({"apple","lemon","orange"}, "potato"), 3)
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387 %!assert (lookup ({"orange","lemon","apple"}, "potato"), 0)
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388 */