Mercurial > octave-nkf
view libinterp/corefcn/ls-mat4.cc @ 17787:175b392e91fe
Use GNU style coding conventions for code in libinterp/
* libinterp/corefcn/Cell.h, libinterp/corefcn/__contourc__.cc,
libinterp/corefcn/__dispatch__.cc, libinterp/corefcn/__lin_interpn__.cc,
libinterp/corefcn/__pchip_deriv__.cc, libinterp/corefcn/__qp__.cc,
libinterp/corefcn/balance.cc, libinterp/corefcn/besselj.cc,
libinterp/corefcn/betainc.cc, libinterp/corefcn/bitfcns.cc,
libinterp/corefcn/bsxfun.cc, libinterp/corefcn/c-file-ptr-stream.cc,
libinterp/corefcn/c-file-ptr-stream.h, libinterp/corefcn/cellfun.cc,
libinterp/corefcn/colloc.cc, libinterp/corefcn/comment-list.h,
libinterp/corefcn/conv2.cc, libinterp/corefcn/daspk.cc,
libinterp/corefcn/dasrt.cc, libinterp/corefcn/dassl.cc,
libinterp/corefcn/data.cc, libinterp/corefcn/debug.cc,
libinterp/corefcn/defaults.cc, libinterp/corefcn/defaults.in.h,
libinterp/corefcn/defun-int.h, libinterp/corefcn/defun.cc,
libinterp/corefcn/det.cc, libinterp/corefcn/dirfns.cc,
libinterp/corefcn/display.cc, libinterp/corefcn/dlmread.cc,
libinterp/corefcn/dot.cc, libinterp/corefcn/dynamic-ld.cc,
libinterp/corefcn/dynamic-ld.h, libinterp/corefcn/eig.cc,
libinterp/corefcn/ellipj.cc, libinterp/corefcn/error.cc,
libinterp/corefcn/error.h, libinterp/corefcn/event-queue.h,
libinterp/corefcn/fft.cc, libinterp/corefcn/fft2.cc, libinterp/corefcn/fftn.cc,
libinterp/corefcn/file-io.cc, libinterp/corefcn/filter.cc,
libinterp/corefcn/find.cc, libinterp/corefcn/gammainc.cc,
libinterp/corefcn/gcd.cc, libinterp/corefcn/getgrent.cc,
libinterp/corefcn/getpwent.cc, libinterp/corefcn/getrusage.cc,
libinterp/corefcn/givens.cc, libinterp/corefcn/gl-render.cc,
libinterp/corefcn/gl2ps-renderer.cc, libinterp/corefcn/gl2ps-renderer.h,
libinterp/corefcn/graphics.cc, libinterp/corefcn/graphics.in.h,
libinterp/corefcn/gripes.cc, libinterp/corefcn/gripes.h,
libinterp/corefcn/help.cc, libinterp/corefcn/hess.cc,
libinterp/corefcn/hex2num.cc, libinterp/corefcn/input.cc,
libinterp/corefcn/input.h, libinterp/corefcn/inv.cc,
libinterp/corefcn/jit-ir.h, libinterp/corefcn/jit-typeinfo.cc,
libinterp/corefcn/jit-typeinfo.h, libinterp/corefcn/jit-util.h,
libinterp/corefcn/kron.cc, libinterp/corefcn/load-path.cc,
libinterp/corefcn/load-path.h, libinterp/corefcn/load-save.cc,
libinterp/corefcn/load-save.h, libinterp/corefcn/lookup.cc,
libinterp/corefcn/ls-ascii-helper.cc, libinterp/corefcn/ls-hdf5.cc,
libinterp/corefcn/ls-hdf5.h, libinterp/corefcn/ls-mat-ascii.cc,
libinterp/corefcn/ls-mat-ascii.h, libinterp/corefcn/ls-mat4.cc,
libinterp/corefcn/ls-mat5.cc, libinterp/corefcn/ls-mat5.h,
libinterp/corefcn/ls-oct-ascii.cc, libinterp/corefcn/lsode.cc,
libinterp/corefcn/lu.cc, libinterp/corefcn/luinc.cc,
libinterp/corefcn/mappers.cc, libinterp/corefcn/matrix_type.cc,
libinterp/corefcn/max.cc, libinterp/corefcn/md5sum.cc,
libinterp/corefcn/mex.cc, libinterp/corefcn/mexproto.h,
libinterp/corefcn/mgorth.cc, libinterp/corefcn/mxarray.in.h,
libinterp/corefcn/nproc.cc, libinterp/corefcn/oct-hist.cc,
libinterp/corefcn/oct-lvalue.h, libinterp/corefcn/oct-map.cc,
libinterp/corefcn/oct-map.h, libinterp/corefcn/oct-obj.h,
libinterp/corefcn/oct-prcstrm.h, libinterp/corefcn/oct-stdstrm.h,
libinterp/corefcn/oct-stream.cc, libinterp/corefcn/oct-stream.h,
libinterp/corefcn/octave-link.cc, libinterp/corefcn/octave-link.h,
libinterp/corefcn/pager.cc, libinterp/corefcn/pinv.cc,
libinterp/corefcn/pr-output.cc, libinterp/corefcn/procstream.h,
libinterp/corefcn/profiler.cc, libinterp/corefcn/pt-jit.cc,
libinterp/corefcn/pt-jit.h, libinterp/corefcn/quad.cc,
libinterp/corefcn/quadcc.cc, libinterp/corefcn/qz.cc,
libinterp/corefcn/rand.cc, libinterp/corefcn/rcond.cc,
libinterp/corefcn/regexp.cc, libinterp/corefcn/schur.cc,
libinterp/corefcn/sighandlers.cc, libinterp/corefcn/sighandlers.h,
libinterp/corefcn/sparse-xdiv.cc, libinterp/corefcn/sparse-xdiv.h,
libinterp/corefcn/sparse-xpow.cc, libinterp/corefcn/sparse.cc,
libinterp/corefcn/spparms.cc, libinterp/corefcn/sqrtm.cc,
libinterp/corefcn/str2double.cc, libinterp/corefcn/strfind.cc,
libinterp/corefcn/strfns.cc, libinterp/corefcn/sub2ind.cc,
libinterp/corefcn/svd.cc, libinterp/corefcn/syl.cc,
libinterp/corefcn/symtab.cc, libinterp/corefcn/symtab.h,
libinterp/corefcn/syscalls.cc, libinterp/corefcn/sysdep.cc,
libinterp/corefcn/sysdep.h, libinterp/corefcn/time.cc,
libinterp/corefcn/toplev.cc, libinterp/corefcn/toplev.h,
libinterp/corefcn/tril.cc, libinterp/corefcn/txt-eng-ft.cc,
libinterp/corefcn/txt-eng-ft.h, libinterp/corefcn/txt-eng.h,
libinterp/corefcn/typecast.cc, libinterp/corefcn/urlwrite.cc,
libinterp/corefcn/utils.cc, libinterp/corefcn/variables.cc,
libinterp/corefcn/variables.h, libinterp/corefcn/xdiv.cc,
libinterp/corefcn/xdiv.h, libinterp/corefcn/xnorm.h, libinterp/corefcn/xpow.cc,
libinterp/corefcn/xpow.h, libinterp/corefcn/zfstream.cc,
libinterp/corefcn/zfstream.h, libinterp/dldfcn/__delaunayn__.cc,
libinterp/dldfcn/__dsearchn__.cc, libinterp/dldfcn/__eigs__.cc,
libinterp/dldfcn/__fltk_uigetfile__.cc, libinterp/dldfcn/__glpk__.cc,
libinterp/dldfcn/__init_fltk__.cc, libinterp/dldfcn/__init_gnuplot__.cc,
libinterp/dldfcn/__magick_read__.cc, libinterp/dldfcn/__voronoi__.cc,
libinterp/dldfcn/amd.cc, libinterp/dldfcn/ccolamd.cc, libinterp/dldfcn/chol.cc,
libinterp/dldfcn/colamd.cc, libinterp/dldfcn/convhulln.cc,
libinterp/dldfcn/dmperm.cc, libinterp/dldfcn/fftw.cc, libinterp/dldfcn/qr.cc,
libinterp/dldfcn/symbfact.cc, libinterp/dldfcn/symrcm.cc,
libinterp/dldfcn/tsearch.cc, libinterp/octave-value/ov-base-diag.cc,
libinterp/octave-value/ov-base-diag.h, libinterp/octave-value/ov-base-int.cc,
libinterp/octave-value/ov-base-int.h, libinterp/octave-value/ov-base-mat.h,
libinterp/octave-value/ov-base-scalar.cc,
libinterp/octave-value/ov-base-scalar.h,
libinterp/octave-value/ov-base-sparse.cc,
libinterp/octave-value/ov-base-sparse.h, libinterp/octave-value/ov-base.cc,
libinterp/octave-value/ov-base.h, libinterp/octave-value/ov-bool-mat.cc,
libinterp/octave-value/ov-bool-mat.h, libinterp/octave-value/ov-bool-sparse.cc,
libinterp/octave-value/ov-bool-sparse.h, libinterp/octave-value/ov-bool.cc,
libinterp/octave-value/ov-bool.h, libinterp/octave-value/ov-builtin.cc,
libinterp/octave-value/ov-builtin.h, libinterp/octave-value/ov-cell.cc,
libinterp/octave-value/ov-cell.h, libinterp/octave-value/ov-ch-mat.cc,
libinterp/octave-value/ov-ch-mat.h, libinterp/octave-value/ov-class.cc,
libinterp/octave-value/ov-class.h, libinterp/octave-value/ov-colon.h,
libinterp/octave-value/ov-complex.cc, libinterp/octave-value/ov-complex.h,
libinterp/octave-value/ov-cx-diag.cc, libinterp/octave-value/ov-cx-diag.h,
libinterp/octave-value/ov-cx-mat.cc, libinterp/octave-value/ov-cx-mat.h,
libinterp/octave-value/ov-cx-sparse.cc, libinterp/octave-value/ov-cx-sparse.h,
libinterp/octave-value/ov-dld-fcn.h, libinterp/octave-value/ov-fcn-handle.cc,
libinterp/octave-value/ov-fcn-handle.h,
libinterp/octave-value/ov-fcn-inline.cc,
libinterp/octave-value/ov-fcn-inline.h, libinterp/octave-value/ov-fcn.h,
libinterp/octave-value/ov-float.cc, libinterp/octave-value/ov-float.h,
libinterp/octave-value/ov-flt-complex.cc,
libinterp/octave-value/ov-flt-complex.h,
libinterp/octave-value/ov-flt-cx-diag.cc,
libinterp/octave-value/ov-flt-cx-diag.h,
libinterp/octave-value/ov-flt-cx-mat.cc,
libinterp/octave-value/ov-flt-cx-mat.h,
libinterp/octave-value/ov-flt-re-diag.cc,
libinterp/octave-value/ov-flt-re-diag.h,
libinterp/octave-value/ov-flt-re-mat.cc,
libinterp/octave-value/ov-flt-re-mat.h, libinterp/octave-value/ov-int16.cc,
libinterp/octave-value/ov-int32.cc, libinterp/octave-value/ov-int64.cc,
libinterp/octave-value/ov-int8.cc, libinterp/octave-value/ov-intx.h,
libinterp/octave-value/ov-java.cc, libinterp/octave-value/ov-lazy-idx.h,
libinterp/octave-value/ov-mex-fcn.cc, libinterp/octave-value/ov-mex-fcn.h,
libinterp/octave-value/ov-null-mat.cc, libinterp/octave-value/ov-null-mat.h,
libinterp/octave-value/ov-oncleanup.cc, libinterp/octave-value/ov-perm.cc,
libinterp/octave-value/ov-perm.h, libinterp/octave-value/ov-range.cc,
libinterp/octave-value/ov-range.h, libinterp/octave-value/ov-re-diag.cc,
libinterp/octave-value/ov-re-diag.h, libinterp/octave-value/ov-re-mat.cc,
libinterp/octave-value/ov-re-mat.h, libinterp/octave-value/ov-re-sparse.cc,
libinterp/octave-value/ov-re-sparse.h, libinterp/octave-value/ov-scalar.cc,
libinterp/octave-value/ov-scalar.h, libinterp/octave-value/ov-str-mat.cc,
libinterp/octave-value/ov-str-mat.h, libinterp/octave-value/ov-struct.cc,
libinterp/octave-value/ov-struct.h, libinterp/octave-value/ov-type-conv.h,
libinterp/octave-value/ov-typeinfo.cc, libinterp/octave-value/ov-typeinfo.h,
libinterp/octave-value/ov-uint16.cc, libinterp/octave-value/ov-uint32.cc,
libinterp/octave-value/ov-uint64.cc, libinterp/octave-value/ov-uint8.cc,
libinterp/octave-value/ov-usr-fcn.cc, libinterp/octave-value/ov-usr-fcn.h,
libinterp/octave-value/ov.cc, libinterp/octave-value/ov.h, libinterp/octave.cc,
libinterp/operators/op-b-bm.cc, libinterp/operators/op-b-sbm.cc,
libinterp/operators/op-bm-b.cc, libinterp/operators/op-bm-bm.cc,
libinterp/operators/op-cdm-cdm.cc, libinterp/operators/op-chm.cc,
libinterp/operators/op-class.cc, libinterp/operators/op-cm-cm.cc,
libinterp/operators/op-cm-cs.cc, libinterp/operators/op-cm-s.cc,
libinterp/operators/op-cm-scm.cc, libinterp/operators/op-cm-sm.cc,
libinterp/operators/op-cs-cm.cc, libinterp/operators/op-cs-cs.cc,
libinterp/operators/op-cs-scm.cc, libinterp/operators/op-cs-sm.cc,
libinterp/operators/op-dm-dm.cc, libinterp/operators/op-dm-scm.cc,
libinterp/operators/op-double-conv.cc, libinterp/operators/op-fcdm-fcdm.cc,
libinterp/operators/op-fcm-fcm.cc, libinterp/operators/op-fcm-fcs.cc,
libinterp/operators/op-fcm-fm.cc, libinterp/operators/op-fcm-fs.cc,
libinterp/operators/op-fcs-fcm.cc, libinterp/operators/op-fcs-fcs.cc,
libinterp/operators/op-fcs-fm.cc, libinterp/operators/op-fcs-fs.cc,
libinterp/operators/op-fdm-fdm.cc, libinterp/operators/op-float-conv.cc,
libinterp/operators/op-fm-fcm.cc, libinterp/operators/op-fm-fcs.cc,
libinterp/operators/op-fm-fm.cc, libinterp/operators/op-fm-fs.cc,
libinterp/operators/op-fs-fcm.cc, libinterp/operators/op-fs-fcs.cc,
libinterp/operators/op-fs-fm.cc, libinterp/operators/op-fs-fs.cc,
libinterp/operators/op-m-cm.cc, libinterp/operators/op-m-cs.cc,
libinterp/operators/op-m-m.cc, libinterp/operators/op-m-s.cc,
libinterp/operators/op-m-scm.cc, libinterp/operators/op-m-sm.cc,
libinterp/operators/op-pm-scm.cc, libinterp/operators/op-range.cc,
libinterp/operators/op-s-cm.cc, libinterp/operators/op-s-cs.cc,
libinterp/operators/op-s-scm.cc, libinterp/operators/op-sbm-b.cc,
libinterp/operators/op-sbm-bm.cc, libinterp/operators/op-sbm-sbm.cc,
libinterp/operators/op-scm-cm.cc, libinterp/operators/op-scm-cs.cc,
libinterp/operators/op-scm-m.cc, libinterp/operators/op-scm-s.cc,
libinterp/operators/op-scm-scm.cc, libinterp/operators/op-scm-sm.cc,
libinterp/operators/op-sm-cm.cc, libinterp/operators/op-sm-m.cc,
libinterp/operators/op-sm-s.cc, libinterp/operators/op-sm-scm.cc,
libinterp/operators/op-sm-sm.cc, libinterp/operators/op-str-m.cc,
libinterp/operators/op-str-s.cc, libinterp/operators/op-str-str.cc,
libinterp/operators/ops.h, libinterp/parse-tree/lex.h,
libinterp/parse-tree/parse.h, libinterp/parse-tree/pt-arg-list.cc,
libinterp/parse-tree/pt-arg-list.h, libinterp/parse-tree/pt-assign.cc,
libinterp/parse-tree/pt-assign.h, libinterp/parse-tree/pt-binop.cc,
libinterp/parse-tree/pt-binop.h, libinterp/parse-tree/pt-bp.h,
libinterp/parse-tree/pt-cbinop.cc, libinterp/parse-tree/pt-check.cc,
libinterp/parse-tree/pt-colon.cc, libinterp/parse-tree/pt-colon.h,
libinterp/parse-tree/pt-const.cc, libinterp/parse-tree/pt-decl.cc,
libinterp/parse-tree/pt-decl.h, libinterp/parse-tree/pt-eval.cc,
libinterp/parse-tree/pt-except.h, libinterp/parse-tree/pt-exp.h,
libinterp/parse-tree/pt-fcn-handle.cc, libinterp/parse-tree/pt-id.cc,
libinterp/parse-tree/pt-id.h, libinterp/parse-tree/pt-idx.cc,
libinterp/parse-tree/pt-idx.h, libinterp/parse-tree/pt-loop.h,
libinterp/parse-tree/pt-mat.cc, libinterp/parse-tree/pt-misc.cc,
libinterp/parse-tree/pt-misc.h, libinterp/parse-tree/pt-pr-code.cc,
libinterp/parse-tree/pt-select.h, libinterp/parse-tree/pt-stmt.h,
libinterp/parse-tree/token.h, libinterp/version.cc:
Use GNU style coding conventions for code in libinterp/
author | Rik <rik@octave.org> |
---|---|
date | Mon, 28 Oct 2013 19:51:46 -0700 |
parents | d63878346099 |
children | bd9d34f28b0f |
line wrap: on
line source
/* 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; }