Mercurial > octave
view libinterp/octave-value/ov-flt-re-mat.cc @ 21301:40de9f8f23a6
Use '#include "config.h"' rather than <config.h>.
* mk-octave-config-h.sh, mk-opts.pl, Backend.cc, BaseControl.cc,
ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc,
EditControl.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, KeyMap.cc,
ListBoxControl.cc, Logger.cc, Menu.cc, MouseModeActionGroup.cc, Object.cc,
ObjectFactory.cc, ObjectProxy.cc, Panel.cc, PopupMenuControl.cc,
PushButtonControl.cc, PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc,
SliderControl.cc, TextControl.cc, TextEdit.cc, ToggleButtonControl.cc,
ToggleTool.cc, ToolBar.cc, ToolBarButton.cc, __init_qt__.cc,
annotation-dialog.cc, gl-select.cc, module.mk, kpty.cpp, color-picker.cc,
dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc,
find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc,
file-editor-tab.cc, file-editor-tab.h, file-editor.cc, find-dialog.cc,
marker.cc, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc,
octave-cmd.cc, octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc,
octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc,
settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc,
thread-manager.cc, welcome-wizard.cc, workspace-model.cc, workspace-view.cc,
build-env-features.sh, build-env.in.cc, Cell.cc, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc,
__pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc,
bsxfun.cc, c-file-ptr-stream.cc, cdisplay.c, cellfun.cc, coct-hdf5-types.c,
colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc,
debug.cc, defaults.cc, defun.cc, det.cc, dirfns.cc, display.cc, dlmread.cc,
dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc,
fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc,
gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc,
gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc, help.cc,
hess.cc, hex2num.cc, hook-fcn.cc, input.cc, inv.cc, jit-ir.cc, jit-typeinfo.cc,
jit-util.cc, kron.cc, load-path.cc, load-save.cc, lookup.cc,
ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc,
ls-oct-binary.cc, ls-oct-text.cc, ls-utils.cc, lsode.cc, lu.cc, luinc.cc,
mappers.cc, matrix_type.cc, max.cc, mex.cc, mgorth.cc, nproc.cc,
oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hist.cc, oct-iostrm.cc,
oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc,
oct-strstrm.cc, oct-tex-lexer.in.ll, oct-tex-parser.in.yy, octave-link.cc,
ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc,
psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc,
schur.cc, sighandlers.cc, siglist.c, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc,
spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc, time.cc,
toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc,
variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc, xpow.cc, zfstream.cc,
__delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc,
__init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc,
__voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc,
colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc,
mkbuiltins, mkops, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc,
ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc,
ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc,
ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc,
ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc,
ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc,
ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc,
ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc,
ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, 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-cell.cc,
op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc,
op-fcdm-fdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc,
op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc,
op-fdm-fdm.cc, op-float-conv.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc,
op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc,
op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc,
op-int-conv.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc,
op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc,
op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc,
op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc,
op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc,
op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, lex.ll, oct-parse.in.yy,
pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc,
pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc,
pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc,
pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc,
token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc,
Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc,
Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc,
Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MArray-C.cc,
MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc,
MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MatrixType.cc, PermMatrix.cc,
Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc, boolMatrix.cc,
boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc, dColVector.cc,
dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc,
dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc,
fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc,
fRowVector.cc, idx-vector.cc, int16NDArray.cc, int32NDArray.cc,
int64NDArray.cc, int8NDArray.cc, intNDArray.cc, uint16NDArray.cc,
uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, blaswrap.c, cquit.c,
f77-extern.cc, f77-fcn.c, lo-error.c, quit.cc, CollocWt.cc, DASPK.cc, DASRT.cc,
DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc, chol.cc,
eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc, lo-mappers.cc, lo-specfun.cc,
lu.cc, oct-convn.cc, oct-fftw.cc, oct-norm.cc, oct-rand.cc, oct-spparms.cc,
qr.cc, qrp.cc, randgamma.c, randmtzig.c, randpoisson.c, schur.cc,
sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc,
mk-ops.awk, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc,
oct-env.cc, oct-group.cc, oct-passwd.cc, oct-syscalls.cc, oct-time.cc,
oct-uname.cc, cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c,
glob-match.cc, kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c,
lo-ieee.cc, lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc,
oct-inttypes.cc, oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-hist.c,
oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc,
sparse-util.cc, str-vec.cc, unwind-prot.cc, url-transfer.cc,
display-available.c, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc,
octave-config.in.cc:
Use '#include "config.h"' rather than <config.h>.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 18 Feb 2016 13:34:50 -0800 |
parents | 5f318c8ec634 |
children | 53728df3e4c9 |
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/* Copyright (C) 1996-2015 John W. Eaton Copyright (C) 2009-2010 VZLU Prague This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include <iostream> #include <limits> #include <vector> #include "data-conv.h" #include "lo-ieee.h" #include "lo-utils.h" #include "lo-specfun.h" #include "lo-mappers.h" #include "mach-info.h" #include "mx-base.h" #include "quit.h" #include "oct-locbuf.h" #include "defun.h" #include "errwarn.h" #include "mxarray.h" #include "ovl.h" #include "oct-lvalue.h" #include "oct-hdf5.h" #include "oct-stream.h" #include "ops.h" #include "ov-base.h" #include "ov-base-mat.h" #include "ov-base-mat.cc" #include "ov-scalar.h" #include "ov-float.h" #include "ov-flt-complex.h" #include "ov-re-mat.h" #include "ov-flt-re-mat.h" #include "ov-flt-cx-mat.h" #include "ov-re-sparse.h" #include "ov-flt-re-diag.h" #include "ov-flt-cx-diag.h" #include "ov-type-conv.h" #include "pr-output.h" #include "variables.h" #include "ops.h" #include "byte-swap.h" #include "ls-oct-text.h" #include "ls-utils.h" #include "ls-hdf5.h" template class octave_base_matrix<FloatNDArray>; DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_float_matrix, "float matrix", "single"); octave_base_value * octave_float_matrix::try_narrowing_conversion (void) { octave_base_value *retval = 0; if (matrix.numel () == 1) retval = new octave_float_scalar (matrix (0)); return retval; } double octave_float_matrix::double_value (bool) const { double retval = lo_ieee_nan_value (); if (numel () == 0) err_invalid_conversion ("real matrix", "real scalar"); warn_implicit_conversion ("Octave:array-to-scalar", "real matrix", "real scalar"); retval = matrix(0, 0); return retval; } float octave_float_matrix::float_value (bool) const { float retval = lo_ieee_float_nan_value (); if (numel () == 0) err_invalid_conversion ("real matrix", "real scalar"); warn_implicit_conversion ("Octave:array-to-scalar", "real matrix", "real scalar"); retval = matrix(0, 0); return retval; } // FIXME Matrix octave_float_matrix::matrix_value (bool) const { return Matrix (FloatMatrix (matrix)); } FloatMatrix octave_float_matrix::float_matrix_value (bool) const { return FloatMatrix (matrix); } Complex octave_float_matrix::complex_value (bool) const { double tmp = lo_ieee_nan_value (); Complex retval (tmp, tmp); if (rows () == 0 || columns () == 0) err_invalid_conversion ("real matrix", "complex scalar"); warn_implicit_conversion ("Octave:array-to-scalar", "real matrix", "complex scalar"); retval = matrix(0, 0); return retval; } FloatComplex octave_float_matrix::float_complex_value (bool) const { double tmp = lo_ieee_float_nan_value (); FloatComplex retval (tmp, tmp); if (rows () == 0 || columns () == 0) err_invalid_conversion ("real matrix", "complex scalar"); warn_implicit_conversion ("Octave:array-to-scalar", "real matrix", "complex scalar"); retval = matrix(0, 0); return retval; } // FIXME ComplexMatrix octave_float_matrix::complex_matrix_value (bool) const { return ComplexMatrix (FloatMatrix (matrix)); } FloatComplexMatrix octave_float_matrix::float_complex_matrix_value (bool) const { return FloatComplexMatrix (FloatMatrix (matrix)); } ComplexNDArray octave_float_matrix::complex_array_value (bool) const { return ComplexNDArray (matrix); } FloatComplexNDArray octave_float_matrix::float_complex_array_value (bool) const { return FloatComplexNDArray (matrix); } NDArray octave_float_matrix::array_value (bool) const { return NDArray (matrix); } boolNDArray octave_float_matrix::bool_array_value (bool warn) const { if (matrix.any_element_is_nan ()) err_nan_to_logical_conversion (); if (warn && matrix.any_element_not_one_or_zero ()) warn_logical_conversion (); return boolNDArray (matrix); } charNDArray octave_float_matrix::char_array_value (bool) const { charNDArray retval (dims ()); octave_idx_type nel = numel (); for (octave_idx_type i = 0; i < nel; i++) retval.elem (i) = static_cast<char>(matrix.elem (i)); return retval; } SparseMatrix octave_float_matrix::sparse_matrix_value (bool) const { return SparseMatrix (matrix_value ()); } SparseComplexMatrix octave_float_matrix::sparse_complex_matrix_value (bool) const { // FIXME: Need a SparseComplexMatrix (Matrix) constructor to make // this function more efficient. Then this should become // return SparseComplexMatrix (matrix.matrix_value ()); return SparseComplexMatrix (sparse_matrix_value ()); } octave_value octave_float_matrix::diag (octave_idx_type k) const { octave_value retval; if (k == 0 && matrix.ndims () == 2 && (matrix.rows () == 1 || matrix.columns () == 1)) retval = FloatDiagMatrix (DiagArray2<float> (matrix)); else retval = octave_base_matrix<FloatNDArray>::diag (k); return retval; } octave_value octave_float_matrix::diag (octave_idx_type m, octave_idx_type n) const { if (matrix.ndims () != 2 || (matrix.rows () != 1 && matrix.columns () != 1)) error ("diag: expecting vector argument"); FloatMatrix mat (matrix); return mat.diag (m, n); } octave_value octave_float_matrix::convert_to_str_internal (bool, bool, char type) const { octave_value retval; dim_vector dv = dims (); octave_idx_type nel = dv.numel (); charNDArray chm (dv); bool warned = false; for (octave_idx_type i = 0; i < nel; i++) { octave_quit (); float d = matrix(i); if (xisnan (d)) err_nan_to_character_conversion (); int ival = NINT (d); if (ival < 0 || ival > std::numeric_limits<unsigned char>::max ()) { // FIXME: is there something better we could do? ival = 0; if (! warned) { ::warning ("range error for conversion to character value"); warned = true; } } chm(i) = static_cast<char> (ival); } retval = octave_value (chm, type); return retval; } bool octave_float_matrix::save_ascii (std::ostream& os) { dim_vector d = dims (); if (d.length () > 2) { FloatNDArray tmp = float_array_value (); os << "# ndims: " << d.length () << "\n"; for (int i=0; i < d.length (); i++) os << " " << d(i); os << "\n" << tmp; } else { // Keep this case, rather than use generic code above for backward // compatibility. Makes load_ascii much more complex!! os << "# rows: " << rows () << "\n" << "# columns: " << columns () << "\n"; os << float_matrix_value (); } return true; } bool octave_float_matrix::load_ascii (std::istream& is) { string_vector keywords(2); keywords[0] = "ndims"; keywords[1] = "rows"; std::string kw; octave_idx_type val = 0; if (! extract_keyword (is, keywords, kw, val, true)) error ("load: failed to extract number of rows and columns"); if (kw == "ndims") { int mdims = static_cast<int> (val); if (mdims < 0) error ("load: failed to extract number of dimensions"); dim_vector dv; dv.resize (mdims); for (int i = 0; i < mdims; i++) is >> dv(i); if (! is) error ("load: failed to read dimensions"); FloatNDArray tmp(dv); is >> tmp; if (! is) error ("load: failed to load matrix constant"); matrix = tmp; } else if (kw == "rows") { octave_idx_type nr = val; octave_idx_type nc = 0; if (nr < 0 || ! extract_keyword (is, "columns", nc) || nc < 0) error ("load: failed to extract number of rows and columns"); if (nr > 0 && nc > 0) { FloatMatrix tmp (nr, nc); is >> tmp; if (! is) error ("load: failed to load matrix constant"); matrix = tmp; } else if (nr == 0 || nc == 0) matrix = FloatMatrix (nr, nc); else panic_impossible (); } else panic_impossible (); return true; } bool octave_float_matrix::save_binary (std::ostream& os, bool&) { dim_vector d = dims (); if (d.length () < 1) return false; // Use negative value for ndims to differentiate with old format!! int32_t tmp = - d.length (); os.write (reinterpret_cast<char *> (&tmp), 4); for (int i = 0; i < d.length (); i++) { tmp = d(i); os.write (reinterpret_cast<char *> (&tmp), 4); } FloatNDArray m = float_array_value (); save_type st = LS_FLOAT; if (d.numel () > 8192) // FIXME: make this configurable. { float max_val, min_val; if (m.all_integers (max_val, min_val)) st = get_save_type (max_val, min_val); } const float *mtmp = m.data (); write_floats (os, mtmp, st, d.numel ()); return true; } bool octave_float_matrix::load_binary (std::istream& is, bool swap, oct_mach_info::float_format fmt) { char tmp; int32_t mdims; if (! is.read (reinterpret_cast<char *> (&mdims), 4)) return false; if (swap) swap_bytes<4> (&mdims); if (mdims < 0) { mdims = - mdims; int32_t di; dim_vector dv; dv.resize (mdims); for (int i = 0; i < mdims; i++) { if (! is.read (reinterpret_cast<char *> (&di), 4)) return false; if (swap) swap_bytes<4> (&di); dv(i) = di; } // Convert an array with a single dimension to be a row vector. // Octave should never write files like this, other software // might. if (mdims == 1) { mdims = 2; dv.resize (mdims); dv(1) = dv(0); dv(0) = 1; } if (! is.read (reinterpret_cast<char *> (&tmp), 1)) return false; FloatNDArray m(dv); float *re = m.fortran_vec (); read_floats (is, re, static_cast<save_type> (tmp), dv.numel (), swap, fmt); if (! is) return false; matrix = m; } else { int32_t nr, nc; nr = mdims; if (! is.read (reinterpret_cast<char *> (&nc), 4)) return false; if (swap) swap_bytes<4> (&nc); if (! is.read (reinterpret_cast<char *> (&tmp), 1)) return false; FloatMatrix m (nr, nc); float *re = m.fortran_vec (); octave_idx_type len = nr * nc; read_floats (is, re, static_cast<save_type> (tmp), len, swap, fmt); if (! is) return false; matrix = m; } return true; } bool octave_float_matrix::save_hdf5 (octave_hdf5_id loc_id, const char *name, bool) { bool retval = false; #if defined (HAVE_HDF5) dim_vector dv = dims (); int empty = save_hdf5_empty (loc_id, name, dv); if (empty) return (empty > 0); int rank = dv.length (); hid_t space_hid, data_hid; space_hid = data_hid = -1; FloatNDArray m = array_value (); OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); // Octave uses column-major, while HDF5 uses row-major ordering for (int i = 0; i < rank; i++) hdims[i] = dv(rank-i-1); space_hid = H5Screate_simple (rank, hdims, 0); if (space_hid < 0) return false; hid_t save_type_hid = H5T_NATIVE_FLOAT; #if defined (HAVE_HDF5_INT2FLOAT_CONVERSIONS) // hdf5 currently doesn't support float/integer conversions else { float max_val, min_val; if (m.all_integers (max_val, min_val)) save_type_hid = save_type_to_hdf5 (get_save_type (max_val, min_val)); } #endif #if defined (HAVE_HDF5_18) data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, octave_H5P_DEFAULT, octave_H5P_DEFAULT, octave_H5P_DEFAULT); #else data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, octave_H5P_DEFAULT); #endif if (data_hid < 0) { H5Sclose (space_hid); return false; } float *mtmp = m.fortran_vec (); retval = H5Dwrite (data_hid, H5T_NATIVE_FLOAT, octave_H5S_ALL, octave_H5S_ALL, octave_H5P_DEFAULT, mtmp) >= 0; H5Dclose (data_hid); H5Sclose (space_hid); #else warn_save ("hdf5"); #endif return retval; } bool octave_float_matrix::load_hdf5 (octave_hdf5_id loc_id, const char *name) { bool retval = false; #if defined (HAVE_HDF5) dim_vector dv; int empty = load_hdf5_empty (loc_id, name, dv); if (empty > 0) matrix.resize (dv); if (empty) return (empty > 0); #if defined (HAVE_HDF5_18) hid_t data_hid = H5Dopen (loc_id, name, octave_H5P_DEFAULT); #else hid_t data_hid = H5Dopen (loc_id, name); #endif hid_t space_id = H5Dget_space (data_hid); hsize_t rank = H5Sget_simple_extent_ndims (space_id); if (rank < 1) { H5Sclose (space_id); H5Dclose (data_hid); return false; } OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); H5Sget_simple_extent_dims (space_id, hdims, maxdims); // Octave uses column-major, while HDF5 uses row-major ordering if (rank == 1) { dv.resize (2); dv(0) = 1; dv(1) = hdims[0]; } else { dv.resize (rank); for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) dv(j) = hdims[i]; } FloatNDArray m (dv); float *re = m.fortran_vec (); if (H5Dread (data_hid, H5T_NATIVE_FLOAT, octave_H5S_ALL, octave_H5S_ALL, octave_H5P_DEFAULT, re) >= 0) { retval = true; matrix = m; } H5Sclose (space_id); H5Dclose (data_hid); #else warn_load ("hdf5"); #endif return retval; } void octave_float_matrix::print_raw (std::ostream& os, bool pr_as_read_syntax) const { octave_print_internal (os, matrix, pr_as_read_syntax, current_print_indent_level ()); } mxArray * octave_float_matrix::as_mxArray (void) const { mxArray *retval = new mxArray (mxSINGLE_CLASS, dims (), mxREAL); float *pr = static_cast<float *> (retval->get_data ()); mwSize nel = numel (); const float *p = matrix.data (); for (mwIndex i = 0; i < nel; i++) pr[i] = p[i]; return retval; } // This uses a smarter strategy for doing the complex->real mappers. We // allocate an array for a real result and keep filling it until a complex // result is produced. static octave_value do_rc_map (const FloatNDArray& a, FloatComplex (&fcn) (float)) { octave_idx_type n = a.numel (); NoAlias<FloatNDArray> rr (a.dims ()); for (octave_idx_type i = 0; i < n; i++) { octave_quit (); FloatComplex tmp = fcn (a(i)); if (tmp.imag () == 0.0) rr(i) = tmp.real (); else { NoAlias<FloatComplexNDArray> rc (a.dims ()); for (octave_idx_type j = 0; j < i; j++) rc(j) = rr(j); rc(i) = tmp; for (octave_idx_type j = i+1; j < n; j++) { octave_quit (); rc(j) = fcn (a(j)); } return new octave_float_complex_matrix (rc); } } return rr; } octave_value octave_float_matrix::map (unary_mapper_t umap) const { switch (umap) { case umap_imag: return FloatNDArray (matrix.dims (), 0.0); case umap_real: case umap_conj: return matrix; // Mappers handled specially. #define ARRAY_METHOD_MAPPER(UMAP, FCN) \ case umap_ ## UMAP: \ return octave_value (matrix.FCN ()) ARRAY_METHOD_MAPPER (abs, abs); ARRAY_METHOD_MAPPER (isnan, isnan); ARRAY_METHOD_MAPPER (isinf, isinf); ARRAY_METHOD_MAPPER (isfinite, isfinite); #define ARRAY_MAPPER(UMAP, TYPE, FCN) \ case umap_ ## UMAP: \ return octave_value (matrix.map<TYPE> (FCN)) #define RC_ARRAY_MAPPER(UMAP, TYPE, FCN) \ case umap_ ## UMAP: \ return do_rc_map (matrix, FCN) RC_ARRAY_MAPPER (acos, FloatComplex, rc_acos); RC_ARRAY_MAPPER (acosh, FloatComplex, rc_acosh); ARRAY_MAPPER (angle, float, ::arg); ARRAY_MAPPER (arg, float, ::arg); RC_ARRAY_MAPPER (asin, FloatComplex, rc_asin); ARRAY_MAPPER (asinh, float, xasinh); ARRAY_MAPPER (atan, float, ::atanf); RC_ARRAY_MAPPER (atanh, FloatComplex, rc_atanh); ARRAY_MAPPER (erf, float, xerf); ARRAY_MAPPER (erfinv, float, ::erfinv); ARRAY_MAPPER (erfcinv, float, ::erfcinv); ARRAY_MAPPER (erfc, float, xerfc); ARRAY_MAPPER (erfcx, float, ::erfcx); ARRAY_MAPPER (erfi, float, ::erfi); ARRAY_MAPPER (dawson, float, ::dawson); ARRAY_MAPPER (gamma, float, xgamma); RC_ARRAY_MAPPER (lgamma, FloatComplex, rc_lgamma); ARRAY_MAPPER (cbrt, float, xcbrt); ARRAY_MAPPER (ceil, float, ::ceilf); ARRAY_MAPPER (cos, float, ::cosf); ARRAY_MAPPER (cosh, float, ::coshf); ARRAY_MAPPER (exp, float, ::expf); ARRAY_MAPPER (expm1, float, xexpm1); ARRAY_MAPPER (fix, float, ::fix); ARRAY_MAPPER (floor, float, ::floorf); RC_ARRAY_MAPPER (log, FloatComplex, rc_log); RC_ARRAY_MAPPER (log2, FloatComplex, rc_log2); RC_ARRAY_MAPPER (log10, FloatComplex, rc_log10); RC_ARRAY_MAPPER (log1p, FloatComplex, rc_log1p); ARRAY_MAPPER (round, float, xround); ARRAY_MAPPER (roundb, float, xroundb); ARRAY_MAPPER (signum, float, ::signum); ARRAY_MAPPER (sin, float, ::sinf); ARRAY_MAPPER (sinh, float, ::sinhf); RC_ARRAY_MAPPER (sqrt, FloatComplex, rc_sqrt); ARRAY_MAPPER (tan, float, ::tanf); ARRAY_MAPPER (tanh, float, ::tanhf); ARRAY_MAPPER (isna, bool, octave_is_NA); ARRAY_MAPPER (xsignbit, float, xsignbit); // Special cases for Matlab compatibility. case umap_xtolower: case umap_xtoupper: return matrix; case umap_xisalnum: case umap_xisalpha: case umap_xisascii: case umap_xiscntrl: case umap_xisdigit: case umap_xisgraph: case umap_xislower: case umap_xisprint: case umap_xispunct: case umap_xisspace: case umap_xisupper: case umap_xisxdigit: case umap_xtoascii: { octave_value str_conv = convert_to_str (true, true); return str_conv.map (umap); } default: return octave_base_value::map (umap); } } DEFUN (single, args, , "-*- texinfo -*-\n\ @deftypefn {} {} single (@var{x})\n\ Convert @var{x} to single precision type.\n\ @seealso{double}\n\ @end deftypefn") { // The OCTAVE_TYPE_CONV_BODY3 macro declares retval, so they go // inside their own scopes, and we don't declare retval here to // avoid a shadowed declaration warning. if (args.length () != 1) print_usage (); if (args(0).is_diag_matrix ()) { if (args(0).is_complex_type ()) { OCTAVE_TYPE_CONV_BODY3 (single, octave_float_complex_diag_matrix, octave_float_complex); } else { OCTAVE_TYPE_CONV_BODY3 (single, octave_float_diag_matrix, octave_float_scalar); } } else if (args(0).is_sparse_type ()) { error ("single: sparse type does not support single precision"); } else if (args(0).is_complex_type ()) { OCTAVE_TYPE_CONV_BODY3 (single, octave_float_complex_matrix, octave_float_complex); } else { OCTAVE_TYPE_CONV_BODY3 (single, octave_float_matrix, octave_float_scalar); } return ovl (); } /* %!assert (class (single (1)), "single") %!assert (class (single (1 + i)), "single") %!assert (class (single (int8 (1))), "single") %!assert (class (single (uint8 (1))), "single") %!assert (class (single (int16 (1))), "single") %!assert (class (single (uint16 (1))), "single") %!assert (class (single (int32 (1))), "single") %!assert (class (single (uint32 (1))), "single") %!assert (class (single (int64 (1))), "single") %!assert (class (single (uint64 (1))), "single") %!assert (class (single (true)), "single") %!assert (class (single ("A")), "single") %!error (single (sparse (1))) %!test %! x = diag ([1 3 2]); %! y = single (x); %! assert (class (x), "double"); %! assert (class (y), "single"); %!test %! x = diag ([i 3 2]); %! y = single (x); %! assert (class (x), "double"); %! assert (class (y), "single"); */