Mercurial > octave
view libinterp/corefcn/ls-mat4.cc @ 19593:446c46af4b42 stable
strip trailing whitespace from most source files
* Makefile.am, NEWS, build-aux/common.mk, configure.ac,
doc/Makefile.am, doc/doxyhtml/Makefile.am,
doc/interpreter/Makefile.am, doc/interpreter/arith.txi,
doc/interpreter/audio.txi, doc/interpreter/basics.txi,
doc/interpreter/bugs.txi, doc/interpreter/container.txi,
doc/interpreter/cp-idx.txi, doc/interpreter/data.txi,
doc/interpreter/debug.txi, doc/interpreter/diagperm.txi,
doc/interpreter/diffeq.txi, doc/interpreter/doccheck/README,
doc/interpreter/doccheck/spellcheck, doc/interpreter/emacs.txi,
doc/interpreter/errors.txi, doc/interpreter/eval.txi,
doc/interpreter/expr.txi, doc/interpreter/external.txi,
doc/interpreter/fn-idx.txi, doc/interpreter/func.txi,
doc/interpreter/geometry.txi, doc/interpreter/geometryimages.m,
doc/interpreter/gpl.txi, doc/interpreter/grammar.txi,
doc/interpreter/gui.txi, doc/interpreter/image.txi,
doc/interpreter/install.txi, doc/interpreter/interp.txi,
doc/interpreter/interpimages.m, doc/interpreter/intro.txi,
doc/interpreter/io.txi, doc/interpreter/java.txi,
doc/interpreter/linalg.txi, doc/interpreter/macros.texi,
doc/interpreter/matrix.txi, doc/interpreter/munge-texi.pl,
doc/interpreter/nonlin.txi, doc/interpreter/numbers.txi,
doc/interpreter/obsolete.txi, doc/interpreter/octave-config.1,
doc/interpreter/octave.texi, doc/interpreter/oop.txi,
doc/interpreter/op-idx.txi, doc/interpreter/optim.txi,
doc/interpreter/package.txi, doc/interpreter/plot.txi,
doc/interpreter/poly.txi, doc/interpreter/preface.txi,
doc/interpreter/quad.txi, doc/interpreter/set.txi,
doc/interpreter/signal.txi, doc/interpreter/sparse.txi,
doc/interpreter/sparseimages.m, doc/interpreter/splineimages.m,
doc/interpreter/stats.txi, doc/interpreter/stmt.txi,
doc/interpreter/strings.txi, doc/interpreter/system.txi,
doc/interpreter/testfun.txi, doc/interpreter/tips.txi,
doc/interpreter/var.txi, doc/interpreter/vectorize.txi,
doc/liboctave/Makefile.am, doc/liboctave/array.texi,
doc/liboctave/bugs.texi, doc/liboctave/cp-idx.texi,
doc/liboctave/dae.texi, doc/liboctave/diffeq.texi,
doc/liboctave/error.texi, doc/liboctave/factor.texi,
doc/liboctave/fn-idx.texi, doc/liboctave/gpl.texi,
doc/liboctave/install.texi, doc/liboctave/intro.texi,
doc/liboctave/liboctave.texi, doc/liboctave/matvec.texi,
doc/liboctave/nleqn.texi, doc/liboctave/nlfunc.texi,
doc/liboctave/ode.texi, doc/liboctave/optim.texi,
doc/liboctave/preface.texi, doc/liboctave/quad.texi,
doc/liboctave/range.texi, doc/refcard/Makefile.am,
doc/refcard/refcard.tex, etc/HACKING, etc/NEWS.1, etc/NEWS.2,
etc/NEWS.3, etc/OLD-ChangeLogs/ChangeLog,
etc/OLD-ChangeLogs/doc-ChangeLog,
etc/OLD-ChangeLogs/scripts-ChangeLog,
etc/OLD-ChangeLogs/src-ChangeLog, etc/OLD-ChangeLogs/test-ChangeLog,
etc/PROJECTS, etc/README.Cygwin, etc/README.MacOS, etc/README.MinGW,
etc/README.gnuplot, etc/gdbinit, etc/icons/Makefile.am,
examples/@polynomial/end.m, examples/@polynomial/subsasgn.m,
examples/Makefile.am, examples/standalonebuiltin.cc,
libgui/Makefile.am, libgui/qterminal/libqterminal/README,
libgui/qterminal/libqterminal/unix/BlockArray.cpp,
libgui/qterminal/libqterminal/unix/BlockArray.h,
libgui/qterminal/libqterminal/unix/Character.h,
libgui/qterminal/libqterminal/unix/CharacterColor.h,
libgui/qterminal/libqterminal/unix/Emulation.cpp,
libgui/qterminal/libqterminal/unix/Emulation.h,
libgui/qterminal/libqterminal/unix/Filter.cpp,
libgui/qterminal/libqterminal/unix/Filter.h,
libgui/qterminal/libqterminal/unix/History.cpp,
libgui/qterminal/libqterminal/unix/History.h,
libgui/qterminal/libqterminal/unix/KeyboardTranslator.cpp,
libgui/qterminal/libqterminal/unix/KeyboardTranslator.h,
libgui/qterminal/libqterminal/unix/LineFont.h,
libgui/qterminal/libqterminal/unix/QUnixTerminalImpl.cpp,
libgui/qterminal/libqterminal/unix/QUnixTerminalImpl.h,
libgui/qterminal/libqterminal/unix/Screen.cpp,
libgui/qterminal/libqterminal/unix/Screen.h,
libgui/qterminal/libqterminal/unix/ScreenWindow.cpp,
libgui/qterminal/libqterminal/unix/ScreenWindow.h,
libgui/qterminal/libqterminal/unix/TerminalCharacterDecoder.cpp,
libgui/qterminal/libqterminal/unix/TerminalCharacterDecoder.h,
libgui/qterminal/libqterminal/unix/Vt102Emulation.h,
libgui/qterminal/libqterminal/win32/QWinTerminalImpl.cpp,
libgui/qterminal/qterminal/main.cpp,
libgui/src/m-editor/file-editor-tab.cc, libgui/src/octave-gui.cc,
libgui/src/octave-qt-link.cc, libinterp/corefcn/data.cc,
libinterp/corefcn/defun-int.h, libinterp/corefcn/det.cc,
libinterp/corefcn/gl2ps-renderer.cc, libinterp/corefcn/graphics.cc,
libinterp/corefcn/graphics.in.h, libinterp/corefcn/ls-mat5.cc,
libinterp/corefcn/lu.cc, libinterp/corefcn/oct-tex-parser.yy,
libinterp/corefcn/oct-tex-symbols.in, libinterp/corefcn/quadcc.cc,
libinterp/corefcn/zfstream.cc, libinterp/dldfcn/__eigs__.cc,
libinterp/dldfcn/__voronoi__.cc, libinterp/gendoc.pl,
libinterp/genprops.awk, libinterp/mk-errno-list, libinterp/mk-pkg-add,
libinterp/mkbuiltins, libinterp/mkdefs, libinterp/mkdocs,
libinterp/mkops, libinterp/octave-value/ov-java.cc,
libinterp/parse-tree/lex.ll, libinterp/parse-tree/oct-parse.in.yy,
libinterp/parse-tree/octave.gperf, liboctave/Makefile.am,
liboctave/array/Array.cc, liboctave/array/module.mk,
liboctave/cruft/daspk/datv.f, liboctave/cruft/daspk/dcnst0.f,
liboctave/cruft/daspk/dcnstr.f, liboctave/cruft/daspk/ddasic.f,
liboctave/cruft/daspk/ddasid.f, liboctave/cruft/daspk/ddasik.f,
liboctave/cruft/daspk/ddaspk.f, liboctave/cruft/daspk/ddstp.f,
liboctave/cruft/daspk/ddwnrm.f, liboctave/cruft/daspk/dfnrmd.f,
liboctave/cruft/daspk/dfnrmk.f, liboctave/cruft/daspk/dhels.f,
liboctave/cruft/daspk/dheqr.f, liboctave/cruft/daspk/dinvwt.f,
liboctave/cruft/daspk/dlinsd.f, liboctave/cruft/daspk/dlinsk.f,
liboctave/cruft/daspk/dmatd.f, liboctave/cruft/daspk/dnedd.f,
liboctave/cruft/daspk/dnedk.f, liboctave/cruft/daspk/dnsd.f,
liboctave/cruft/daspk/dnsid.f, liboctave/cruft/daspk/dnsik.f,
liboctave/cruft/daspk/dnsk.f, liboctave/cruft/daspk/dorth.f,
liboctave/cruft/daspk/dslvd.f, liboctave/cruft/daspk/dslvk.f,
liboctave/cruft/daspk/dspigm.f, liboctave/cruft/daspk/dyypnw.f,
liboctave/cruft/dasrt/ddasrt.f, liboctave/cruft/dasrt/drchek.f,
liboctave/cruft/dassl/ddaslv.f, liboctave/cruft/dassl/ddassl.f,
liboctave/cruft/misc/blaswrap.c, liboctave/cruft/misc/module.mk,
liboctave/cruft/odepack/cfode.f, liboctave/cruft/odepack/dlsode.f,
liboctave/cruft/odepack/ewset.f, liboctave/cruft/odepack/intdy.f,
liboctave/cruft/odepack/prepj.f, liboctave/cruft/odepack/sintdy.f,
liboctave/cruft/odepack/slsode.f, liboctave/cruft/odepack/solsy.f,
liboctave/cruft/odepack/ssolsy.f, liboctave/cruft/odepack/stode.f,
liboctave/cruft/odepack/vnorm.f, liboctave/cruft/ranlib/Basegen.doc,
liboctave/cruft/ranlib/README, liboctave/cruft/ranlib/genbet.f,
liboctave/cruft/ranlib/genexp.f, liboctave/cruft/ranlib/gennch.f,
liboctave/cruft/ranlib/gennf.f, liboctave/cruft/ranlib/gennor.f,
liboctave/cruft/ranlib/getsd.f, liboctave/cruft/ranlib/initgn.f,
liboctave/cruft/ranlib/phrtsd.f, liboctave/cruft/ranlib/randlib.fdoc,
liboctave/cruft/ranlib/setsd.f, liboctave/cruft/ranlib/tstgmn.for,
liboctave/cruft/ranlib/tstmid.for, liboctave/cruft/slatec-fn/atanh.f,
liboctave/cruft/slatec-fn/datanh.f,
liboctave/cruft/slatec-fn/xgmainc.f,
liboctave/cruft/slatec-fn/xsgmainc.f, liboctave/numeric/module.mk,
liboctave/operators/mk-ops.awk, liboctave/operators/mx-ops,
liboctave/operators/sparse-mk-ops.awk,
liboctave/operators/sparse-mx-ops, liboctave/operators/vx-ops,
liboctave/util/module.mk, run-octave.in, scripts/@ftp/ftp.m,
scripts/audio/wavread.m, scripts/deprecated/java_convert_matrix.m,
scripts/deprecated/java_debug.m, scripts/deprecated/java_invoke.m,
scripts/deprecated/java_new.m,
scripts/deprecated/java_unsigned_conversion.m,
scripts/deprecated/javafields.m, scripts/deprecated/javamethods.m,
scripts/deprecated/shell_cmd.m, scripts/general/accumarray.m,
scripts/general/display.m, scripts/general/fieldnames.m,
scripts/general/interp1.m, scripts/general/interp2.m,
scripts/general/interp3.m, scripts/general/isa.m,
scripts/general/methods.m, scripts/general/sortrows.m,
scripts/geometry/convhull.m, scripts/geometry/delaunay.m,
scripts/geometry/delaunay3.m, scripts/geometry/delaunayn.m,
scripts/geometry/griddata.m, scripts/geometry/griddatan.m,
scripts/geometry/voronoi.m, scripts/geometry/voronoin.m,
scripts/gui/guihandles.m, scripts/gui/inputdlg.m,
scripts/gui/listdlg.m, scripts/gui/msgbox.m, scripts/gui/questdlg.m,
scripts/gui/uigetfile.m, scripts/gui/waitbar.m, scripts/gui/warndlg.m,
scripts/help/doc.m, scripts/help/help.m, scripts/help/type.m,
scripts/image/bone.m, scripts/image/cmpermute.m,
scripts/image/cmunique.m, scripts/image/colorcube.m,
scripts/image/colormap.m, scripts/image/contrast.m,
scripts/image/gray2ind.m, scripts/image/image.m,
scripts/image/imshow.m, scripts/image/ind2gray.m, scripts/image/jet.m,
scripts/image/rgb2ntsc.m, scripts/image/spinmap.m,
scripts/io/importdata.m, scripts/io/strread.m, scripts/io/textread.m,
scripts/io/textscan.m, scripts/java/java_get.m,
scripts/java/java_set.m, scripts/java/javaaddpath.m,
scripts/java/javaclasspath.m, scripts/java/javamem.m,
scripts/linear-algebra/linsolve.m, scripts/linear-algebra/qzhess.m,
scripts/miscellaneous/debug.m, scripts/miscellaneous/desktop.m,
scripts/miscellaneous/dir.m, scripts/miscellaneous/dos.m,
scripts/miscellaneous/edit.m, scripts/miscellaneous/fact.m,
scripts/miscellaneous/getappdata.m, scripts/miscellaneous/inputname.m,
scripts/miscellaneous/license.m, scripts/miscellaneous/ls_command.m,
scripts/miscellaneous/run.m, scripts/miscellaneous/setfield.m,
scripts/miscellaneous/unix.m, scripts/miscellaneous/ver.m,
scripts/mk-pkg-add, scripts/mkdoc.pl,
scripts/optimization/fminsearch.m, scripts/optimization/optimset.m,
scripts/optimization/sqp.m, scripts/pkg/pkg.m,
scripts/pkg/private/create_pkgadddel.m,
scripts/pkg/private/fix_depends.m, scripts/pkg/private/install.m,
scripts/plot/appearance/axis.m, scripts/plot/appearance/box.m,
scripts/plot/appearance/clabel.m, scripts/plot/appearance/daspect.m,
scripts/plot/appearance/datetick.m, scripts/plot/appearance/grid.m,
scripts/plot/appearance/legend.m, scripts/plot/appearance/orient.m,
scripts/plot/appearance/shading.m, scripts/plot/appearance/text.m,
scripts/plot/appearance/title.m, scripts/plot/appearance/xlabel.m,
scripts/plot/appearance/ylabel.m, scripts/plot/appearance/zlabel.m,
scripts/plot/draw/area.m, scripts/plot/draw/bar.m,
scripts/plot/draw/barh.m, scripts/plot/draw/colorbar.m,
scripts/plot/draw/contour.m, scripts/plot/draw/contour3.m,
scripts/plot/draw/contourf.m, scripts/plot/draw/ellipsoid.m,
scripts/plot/draw/errorbar.m, scripts/plot/draw/ezcontour.m,
scripts/plot/draw/ezcontourf.m, scripts/plot/draw/ezmesh.m,
scripts/plot/draw/ezpolar.m, scripts/plot/draw/fill.m,
scripts/plot/draw/fplot.m, scripts/plot/draw/hist.m,
scripts/plot/draw/meshc.m, scripts/plot/draw/meshz.m,
scripts/plot/draw/pareto.m, scripts/plot/draw/patch.m,
scripts/plot/draw/peaks.m, scripts/plot/draw/pie.m,
scripts/plot/draw/pie3.m, scripts/plot/draw/plot.m,
scripts/plot/draw/plotyy.m, scripts/plot/draw/private/__bar__.m,
scripts/plot/draw/private/__contour__.m,
scripts/plot/draw/private/__errplot__.m,
scripts/plot/draw/private/__ezplot__.m,
scripts/plot/draw/private/__patch__.m,
scripts/plot/draw/private/__stem__.m, scripts/plot/draw/rectangle.m,
scripts/plot/draw/ribbon.m, scripts/plot/draw/rose.m,
scripts/plot/draw/scatter.m, scripts/plot/draw/scatter3.m,
scripts/plot/draw/semilogx.m, scripts/plot/draw/shrinkfaces.m,
scripts/plot/draw/sombrero.m, scripts/plot/draw/sphere.m,
scripts/plot/draw/stairs.m, scripts/plot/draw/stem.m,
scripts/plot/draw/stemleaf.m, scripts/plot/draw/surf.m,
scripts/plot/draw/surface.m, scripts/plot/draw/surfc.m,
scripts/plot/draw/surfl.m, scripts/plot/draw/surfnorm.m,
scripts/plot/draw/tetramesh.m, scripts/plot/draw/trimesh.m,
scripts/plot/draw/triplot.m, scripts/plot/draw/trisurf.m,
scripts/plot/util/__gnuplot_drawnow__.m,
scripts/plot/util/__plt_get_axis_arg__.m, scripts/plot/util/axes.m,
scripts/plot/util/clf.m, scripts/plot/util/copyobj.m,
scripts/plot/util/figure.m, scripts/plot/util/gcbo.m,
scripts/plot/util/graphics_toolkit.m, scripts/plot/util/hggroup.m,
scripts/plot/util/meshgrid.m, scripts/plot/util/newplot.m,
scripts/plot/util/print.m,
scripts/plot/util/private/__add_default_menu__.m,
scripts/plot/util/private/__fltk_print__.m,
scripts/plot/util/private/__gnuplot_print__.m,
scripts/plot/util/private/__print_parse_opts__.m,
scripts/plot/util/refreshdata.m, scripts/plot/util/subplot.m,
scripts/polynomial/conv.m, scripts/polynomial/poly.m,
scripts/polynomial/polyeig.m, scripts/polynomial/polyfit.m,
scripts/polynomial/polyval.m,
scripts/polynomial/private/__splinefit__.m,
scripts/polynomial/spline.m, scripts/prefs/prefdir.m,
scripts/prefs/preferences.m, scripts/prefs/private/prefsfile.m,
scripts/prefs/rmpref.m, scripts/signal/freqz.m,
scripts/signal/module.mk, scripts/sparse/eigs.m, scripts/sparse/pcg.m,
scripts/sparse/private/__sprand_impl__.m, scripts/sparse/sprand.m,
scripts/sparse/sprandn.m, scripts/sparse/spy.m, scripts/sparse/svds.m,
scripts/specfun/expint.m, scripts/specfun/factor.m,
scripts/special-matrix/gallery.m, scripts/special-matrix/hankel.m,
scripts/special-matrix/toeplitz.m, scripts/startup/inputrc,
scripts/statistics/base/kurtosis.m, scripts/statistics/base/moment.m,
scripts/statistics/base/qqplot.m, scripts/statistics/base/var.m,
scripts/statistics/distributions/betarnd.m,
scripts/statistics/distributions/binoinv.m,
scripts/statistics/distributions/binopdf.m,
scripts/statistics/distributions/binornd.m,
scripts/statistics/distributions/cauchy_rnd.m,
scripts/statistics/distributions/chi2rnd.m,
scripts/statistics/distributions/discrete_pdf.m,
scripts/statistics/distributions/discrete_rnd.m,
scripts/statistics/distributions/empirical_rnd.m,
scripts/statistics/distributions/exprnd.m,
scripts/statistics/distributions/frnd.m,
scripts/statistics/distributions/gamrnd.m,
scripts/statistics/distributions/geornd.m,
scripts/statistics/distributions/hygernd.m,
scripts/statistics/distributions/kolmogorov_smirnov_cdf.m,
scripts/statistics/distributions/laplace_cdf.m,
scripts/statistics/distributions/laplace_pdf.m,
scripts/statistics/distributions/logistic_cdf.m,
scripts/statistics/distributions/logistic_pdf.m,
scripts/statistics/distributions/lognrnd.m,
scripts/statistics/distributions/nbincdf.m,
scripts/statistics/distributions/nbininv.m,
scripts/statistics/distributions/nbinpdf.m,
scripts/statistics/distributions/nbinrnd.m,
scripts/statistics/distributions/normrnd.m,
scripts/statistics/distributions/poissinv.m,
scripts/statistics/distributions/poissrnd.m,
scripts/statistics/distributions/tinv.m,
scripts/statistics/distributions/trnd.m,
scripts/statistics/distributions/unidcdf.m,
scripts/statistics/distributions/unidpdf.m,
scripts/statistics/distributions/unidrnd.m,
scripts/statistics/distributions/unifrnd.m,
scripts/statistics/distributions/wblrnd.m,
scripts/statistics/models/module.mk,
scripts/statistics/tests/kruskal_wallis_test.m,
scripts/strings/base2dec.m, scripts/strings/deblank.m,
scripts/strings/dec2base.m, scripts/strings/dec2bin.m,
scripts/strings/dec2hex.m, scripts/strings/mat2str.m,
scripts/strings/ostrsplit.m, scripts/strings/regexptranslate.m,
scripts/strings/str2num.m, scripts/strings/strcat.m,
scripts/strings/strjoin.m, scripts/strings/strsplit.m,
scripts/strings/strtok.m, scripts/strings/strtrim.m,
scripts/strings/strtrunc.m, scripts/strings/substr.m,
scripts/testfun/__run_test_suite__.m, scripts/testfun/speed.m,
scripts/testfun/test.m, scripts/time/asctime.m,
scripts/time/datenum.m, scripts/time/datevec.m,
scripts/time/weekday.m, src/Makefile.am, test/Makefile.am,
test/build-bc-overload-tests.sh, test/build-sparse-tests.sh,
test/jit.tst, test/line-continue.tst: Strip trailing whitespace.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 20 Jan 2015 08:26:57 -0500 |
parents | bd9d34f28b0f |
children | 9a6646cc7c3e |
line wrap: on
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/* Copyright (C) 1996-2013 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <cfloat> #include <cstring> #include <cctype> #include <fstream> #include <iomanip> #include <iostream> #include <string> #include <vector> #include "byte-swap.h" #include "data-conv.h" #include "file-ops.h" #include "glob-match.h" #include "lo-mappers.h" #include "mach-info.h" #include "oct-env.h" #include "oct-time.h" #include "quit.h" #include "str-vec.h" #include "oct-locbuf.h" #include "Cell.h" #include "defun.h" #include "error.h" #include "gripes.h" #include "load-save.h" #include "oct-obj.h" #include "oct-map.h" #include "ov-cell.h" #include "pager.h" #include "pt-exp.h" #include "sysdep.h" #include "unwind-prot.h" #include "utils.h" #include "variables.h" #include "version.h" #include "dMatrix.h" #include "dSparse.h" #include "ls-mat4.h" // Read LEN elements of data from IS in the format specified by // PRECISION, placing the result in DATA. If SWAP is TRUE, swap // the bytes of each element before copying to DATA. FLT_FMT // specifies the format of the data if we are reading floating point // numbers. static void read_mat_binary_data (std::istream& is, double *data, int precision, int len, bool swap, oct_mach_info::float_format flt_fmt) { switch (precision) { case 0: read_doubles (is, data, LS_DOUBLE, len, swap, flt_fmt); break; case 1: read_doubles (is, data, LS_FLOAT, len, swap, flt_fmt); break; case 2: read_doubles (is, data, LS_INT, len, swap, flt_fmt); break; case 3: read_doubles (is, data, LS_SHORT, len, swap, flt_fmt); break; case 4: read_doubles (is, data, LS_U_SHORT, len, swap, flt_fmt); break; case 5: read_doubles (is, data, LS_U_CHAR, len, swap, flt_fmt); break; default: break; } } int read_mat_file_header (std::istream& is, bool& swap, int32_t& mopt, int32_t& nr, int32_t& nc, int32_t& imag, int32_t& len, int quiet) { swap = false; // We expect to fail here, at the beginning of a record, so not // being able to read another mopt value should not result in an // error. is.read (reinterpret_cast<char *> (&mopt), 4); if (! is) return 1; if (! is.read (reinterpret_cast<char *> (&nr), 4)) goto data_read_error; if (! is.read (reinterpret_cast<char *> (&nc), 4)) goto data_read_error; if (! is.read (reinterpret_cast<char *> (&imag), 4)) goto data_read_error; if (! is.read (reinterpret_cast<char *> (&len), 4)) goto data_read_error; // If mopt is nonzero and the byte order is swapped, mopt will be // bigger than we expect, so we swap bytes. // // If mopt is zero, it means the file was written on a little endian // machine, and we only need to swap if we are running on a big endian // machine. // // Gag me. if (oct_mach_info::words_big_endian () && mopt == 0) swap = true; // mopt is signed, therefore byte swap may result in negative value. if (mopt > 9999 || mopt < 0) swap = true; if (swap) { swap_bytes<4> (&mopt); swap_bytes<4> (&nr); swap_bytes<4> (&nc); swap_bytes<4> (&imag); swap_bytes<4> (&len); } if (mopt > 9999 || mopt < 0 || imag > 1 || imag < 0) { if (! quiet) error ("load: can't read binary file"); return -1; } return 0; data_read_error: return -1; } // We don't just use a cast here, because we need to be able to detect // possible errors. oct_mach_info::float_format mopt_digit_to_float_format (int mach) { oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; switch (mach) { case 0: flt_fmt = oct_mach_info::flt_fmt_ieee_little_endian; break; case 1: flt_fmt = oct_mach_info::flt_fmt_ieee_big_endian; break; case 2: case 3: case 4: default: flt_fmt = oct_mach_info::flt_fmt_unknown; break; } return flt_fmt; } int float_format_to_mopt_digit (oct_mach_info::float_format flt_fmt) { int retval = -1; switch (flt_fmt) { case oct_mach_info::flt_fmt_ieee_little_endian: retval = 0; break; case oct_mach_info::flt_fmt_ieee_big_endian: retval = 1; break; default: break; } return retval; } // Extract one value (scalar, matrix, string, etc.) from stream IS and // place it in TC, returning the name of the variable. // // The data is expected to be in Matlab version 4 .mat format, though // not all the features of that format are supported. // // FILENAME is used for error messages. // // This format provides no way to tag the data as global. std::string read_mat_binary_data (std::istream& is, const std::string& filename, octave_value& tc) { std::string retval; // These are initialized here instead of closer to where they are // first used to avoid errors from gcc about goto crossing // initialization of variable. Matrix re; oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; bool swap = false; int type = 0; int prec = 0; int order = 0; int mach = 0; int dlen = 0; int32_t mopt, nr, nc, imag, len; int err = read_mat_file_header (is, swap, mopt, nr, nc, imag, len); if (err) { if (err < 0) goto data_read_error; else return retval; } type = mopt % 10; // Full, sparse, etc. mopt /= 10; // Eliminate first digit. prec = mopt % 10; // double, float, int, etc. mopt /= 10; // Eliminate second digit. order = mopt % 10; // Row or column major ordering. mopt /= 10; // Eliminate third digit. mach = mopt % 10; // IEEE, VAX, etc. flt_fmt = mopt_digit_to_float_format (mach); if (flt_fmt == oct_mach_info::flt_fmt_unknown) { error ("load: unrecognized binary format!"); return retval; } if (imag && type == 1) { error ("load: encountered complex matrix with string flag set!"); return retval; } // LEN includes the terminating character, and the file is also // supposed to include it, but apparently not all files do. Either // way, I think this should work. { OCTAVE_LOCAL_BUFFER (char, name, len+1); name[len] = '\0'; if (! is.read (name, len)) goto data_read_error; retval = name; dlen = nr * nc; if (dlen < 0) goto data_read_error; if (order) { octave_idx_type tmp = nr; nr = nc; nc = tmp; } if (type == 2) { if (nc == 4) { octave_idx_type nr_new, nc_new; Array<Complex> data (dim_vector (1, nr - 1)); Array<octave_idx_type> c (dim_vector (1, nr - 1)); Array<octave_idx_type> r (dim_vector (1, nr - 1)); OCTAVE_LOCAL_BUFFER (double, dtmp, nr); OCTAVE_LOCAL_BUFFER (double, ctmp, nr); read_mat_binary_data (is, dtmp, prec, nr, swap, flt_fmt); for (octave_idx_type i = 0; i < nr - 1; i++) r.xelem (i) = dtmp[i] - 1; nr_new = dtmp[nr - 1]; read_mat_binary_data (is, dtmp, prec, nr, swap, flt_fmt); for (octave_idx_type i = 0; i < nr - 1; i++) c.xelem (i) = dtmp[i] - 1; nc_new = dtmp[nr - 1]; read_mat_binary_data (is, dtmp, prec, nr - 1, swap, flt_fmt); read_mat_binary_data (is, ctmp, prec, 1, swap, flt_fmt); read_mat_binary_data (is, ctmp, prec, nr - 1, swap, flt_fmt); for (octave_idx_type i = 0; i < nr - 1; i++) data.xelem (i) = Complex (dtmp[i], ctmp[i]); read_mat_binary_data (is, ctmp, prec, 1, swap, flt_fmt); SparseComplexMatrix smc = SparseComplexMatrix (data, r, c, nr_new, nc_new); tc = order ? smc.transpose () : smc; } else { octave_idx_type nr_new, nc_new; Array<double> data (dim_vector (1, nr - 1)); Array<octave_idx_type> c (dim_vector (1, nr - 1)); Array<octave_idx_type> r (dim_vector (1, nr - 1)); OCTAVE_LOCAL_BUFFER (double, dtmp, nr); read_mat_binary_data (is, dtmp, prec, nr, swap, flt_fmt); for (octave_idx_type i = 0; i < nr - 1; i++) r.xelem (i) = dtmp[i] - 1; nr_new = dtmp[nr - 1]; read_mat_binary_data (is, dtmp, prec, nr, swap, flt_fmt); for (octave_idx_type i = 0; i < nr - 1; i++) c.xelem (i) = dtmp[i] - 1; nc_new = dtmp[nr - 1]; read_mat_binary_data (is, data.fortran_vec (), prec, nr - 1, swap, flt_fmt); read_mat_binary_data (is, dtmp, prec, 1, swap, flt_fmt); SparseMatrix sm = SparseMatrix (data, r, c, nr_new, nc_new); tc = order ? sm.transpose () : sm; } } else { re.resize (nr, nc); read_mat_binary_data (is, re.fortran_vec (), prec, dlen, swap, flt_fmt); if (! is || error_state) { error ("load: reading matrix data for '%s'", name); goto data_read_error; } if (imag) { Matrix im (nr, nc); read_mat_binary_data (is, im.fortran_vec (), prec, dlen, swap, flt_fmt); if (! is || error_state) { error ("load: reading imaginary matrix data for '%s'", name); goto data_read_error; } ComplexMatrix ctmp (nr, nc); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = 0; i < nr; i++) ctmp (i, j) = Complex (re (i, j), im (i, j)); tc = order ? ctmp.transpose () : ctmp; } else tc = order ? re.transpose () : re; if (type == 1) tc = tc.convert_to_str (false, true, '\''); } return retval; } data_read_error: error ("load: trouble reading binary file '%s'", filename.c_str ()); return retval; } // Save the data from TC along with the corresponding NAME on stream OS // in the MatLab version 4 binary format. bool save_mat_binary_data (std::ostream& os, const octave_value& tc, const std::string& name) { int32_t mopt = 0; mopt += tc.is_sparse_type () ? 2 : tc.is_string () ? 1 : 0; oct_mach_info::float_format flt_fmt = oct_mach_info::native_float_format ();; mopt += 1000 * float_format_to_mopt_digit (flt_fmt); os.write (reinterpret_cast<char *> (&mopt), 4); octave_idx_type len; int32_t nr = tc.rows (); int32_t nc = tc.columns (); if (tc.is_sparse_type ()) { len = tc.nnz (); uint32_t nnz = len + 1; os.write (reinterpret_cast<char *> (&nnz), 4); uint32_t iscmplx = tc.is_complex_type () ? 4 : 3; os.write (reinterpret_cast<char *> (&iscmplx), 4); uint32_t tmp = 0; os.write (reinterpret_cast<char *> (&tmp), 4); } else { os.write (reinterpret_cast<char *> (&nr), 4); os.write (reinterpret_cast<char *> (&nc), 4); int32_t imag = tc.is_complex_type () ? 1 : 0; os.write (reinterpret_cast<char *> (&imag), 4); len = nr * nc; } // LEN includes the terminating character, and the file is also // supposed to include it. int32_t name_len = name.length () + 1; os.write (reinterpret_cast<char *> (&name_len), 4); os << name << '\0'; if (tc.is_string ()) { unwind_protect frame; charMatrix chm = tc.char_matrix_value (); octave_idx_type nrow = chm.rows (); octave_idx_type ncol = chm.cols (); OCTAVE_LOCAL_BUFFER (double, buf, ncol*nrow); for (octave_idx_type i = 0; i < nrow; i++) { std::string tstr = chm.row_as_string (i); const char *s = tstr.data (); for (octave_idx_type j = 0; j < ncol; j++) buf[j*nrow+i] = static_cast<double> (*s++ & 0x00FF); } os.write (reinterpret_cast<char *> (buf), nrow*ncol*sizeof (double)); } else if (tc.is_range ()) { Range r = tc.range_value (); double base = r.base (); double inc = r.inc (); octave_idx_type nel = r.nelem (); for (octave_idx_type i = 0; i < nel; i++) { double x = base + i * inc; os.write (reinterpret_cast<char *> (&x), 8); } } else if (tc.is_real_scalar ()) { double tmp = tc.double_value (); os.write (reinterpret_cast<char *> (&tmp), 8); } else if (tc.is_sparse_type ()) { double ds; OCTAVE_LOCAL_BUFFER (double, dtmp, len); if (tc.is_complex_matrix ()) { SparseComplexMatrix m = tc.sparse_complex_matrix_value (); for (octave_idx_type i = 0; i < len; i++) dtmp[i] = m.ridx (i) + 1; os.write (reinterpret_cast<const char *> (dtmp), 8 * len); ds = nr; os.write (reinterpret_cast<const char *> (&ds), 8); octave_idx_type ii = 0; for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = m.cidx (j); i < m.cidx (j+1); i++) dtmp[ii++] = j + 1; os.write (reinterpret_cast<const char *> (dtmp), 8 * len); ds = nc; os.write (reinterpret_cast<const char *> (&ds), 8); for (octave_idx_type i = 0; i < len; i++) dtmp[i] = std::real (m.data (i)); os.write (reinterpret_cast<const char *> (dtmp), 8 * len); ds = 0.; os.write (reinterpret_cast<const char *> (&ds), 8); for (octave_idx_type i = 0; i < len; i++) dtmp[i] = std::imag (m.data (i)); os.write (reinterpret_cast<const char *> (dtmp), 8 * len); os.write (reinterpret_cast<const char *> (&ds), 8); } else { SparseMatrix m = tc.sparse_matrix_value (); for (octave_idx_type i = 0; i < len; i++) dtmp[i] = m.ridx (i) + 1; os.write (reinterpret_cast<const char *> (dtmp), 8 * len); ds = nr; os.write (reinterpret_cast<const char *> (&ds), 8); octave_idx_type ii = 0; for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = m.cidx (j); i < m.cidx (j+1); i++) dtmp[ii++] = j + 1; os.write (reinterpret_cast<const char *> (dtmp), 8 * len); ds = nc; os.write (reinterpret_cast<const char *> (&ds), 8); os.write (reinterpret_cast<const char *> (m.data ()), 8 * len); ds = 0.; os.write (reinterpret_cast<const char *> (&ds), 8); } } else if (tc.is_real_matrix ()) { Matrix m = tc.matrix_value (); os.write (reinterpret_cast<const char *> (m.data ()), 8 * len); } else if (tc.is_complex_scalar ()) { Complex tmp = tc.complex_value (); os.write (reinterpret_cast<char *> (&tmp), 16); } else if (tc.is_complex_matrix ()) { ComplexMatrix m_cmplx = tc.complex_matrix_value (); Matrix m = ::real (m_cmplx); os.write (reinterpret_cast<const char *> (m.data ()), 8 * len); m = ::imag (m_cmplx); os.write (reinterpret_cast<const char *> (m.data ()), 8 * len); } else gripe_wrong_type_arg ("save", tc, false); return ! os.fail (); }