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view libinterp/corefcn/hex2num.cc @ 21301:40de9f8f23a6
Use '#include "config.h"' rather than <config.h>.
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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,
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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,
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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 | fcac5dbbf9ed |
children | 3d60ed163b70 |
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/* Copyright (C) 2008-2015 David Bateman 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 <algorithm> #include "defun.h" #include "error.h" #include "errwarn.h" #include "ovl.h" #include "utils.h" DEFUN (hex2num, args, , "-*- texinfo -*-\n\ @deftypefn {} {@var{n} =} hex2num (@var{s})\n\ @deftypefnx {} {@var{n} =} hex2num (@var{s}, @var{class})\n\ Typecast the 16 character hexadecimal character string to an IEEE 754\n\ double precision number.\n\ \n\ If fewer than 16 characters are given the strings are right padded with\n\ @qcode{'0'} characters.\n\ \n\ Given a string matrix, @code{hex2num} treats each row as a separate number.\n\ \n\ @example\n\ @group\n\ hex2num ([\"4005bf0a8b145769\"; \"4024000000000000\"])\n\ @result{} [2.7183; 10.000]\n\ @end group\n\ @end example\n\ \n\ The optional argument @var{class} can be passed as the string\n\ @qcode{\"single\"} to specify that the given string should be interpreted as\n\ a single precision number. In this case, @var{s} should be an 8 character\n\ hexadecimal string. For example:\n\ \n\ @example\n\ @group\n\ hex2num ([\"402df854\"; \"41200000\"], \"single\")\n\ @result{} [2.7183; 10.000]\n\ @end group\n\ @end example\n\ @seealso{num2hex, hex2dec, dec2hex}\n\ @end deftypefn") { int nargin = args.length (); if (nargin < 1 || nargin > 2) print_usage (); if (nargin == 2 && ! args(1).is_string ()) error ("hex2num: CLASS must be a string"); const charMatrix cmat = args(0).char_matrix_value (); std::string prec = (nargin == 2) ? args(1).string_value () : "double"; bool is_single = (prec == "single"); octave_idx_type nchars = (is_single) ? 8 : 16; if (cmat.columns () > nchars) error ("hex2num: S must be no more than %d characters", nchars); else if (prec != "double" && prec != "single") error ("hex2num: CLASS must be either \"double\" or \"single\""); octave_value retval; octave_idx_type nr = cmat.rows (); octave_idx_type nc = cmat.columns (); if (is_single) { FloatColumnVector m (nr); for (octave_idx_type i = 0; i < nr; i++) { union { uint32_t ival; float dval; } num; num.ival = 0; for (octave_idx_type j = 0; j < nc; j++) { unsigned char ch = cmat.elem (i, j); if (! isxdigit (ch)) error ("hex2num: illegal character found in string S"); num.ival <<= 4; if (ch >= 'a') num.ival += static_cast<uint32_t> (ch - 'a' + 10); else if (ch >= 'A') num.ival += static_cast<uint32_t> (ch - 'A' + 10); else num.ival += static_cast<uint32_t> (ch - '0'); } if (nc < nchars) num.ival <<= (nchars - nc) * 4; m(i) = num.dval; } retval = m; } else { ColumnVector m (nr); for (octave_idx_type i = 0; i < nr; i++) { union { uint64_t ival; double dval; } num; num.ival = 0; for (octave_idx_type j = 0; j < nc; j++) { unsigned char ch = cmat.elem (i, j); if (! isxdigit (ch)) error ("hex2num: illegal character found in string S"); num.ival <<= 4; if (ch >= 'a') num.ival += static_cast<uint64_t> (ch - 'a' + 10); else if (ch >= 'A') num.ival += static_cast<uint64_t> (ch - 'A' + 10); else num.ival += static_cast<uint64_t> (ch - '0'); } if (nc < nchars) num.ival <<= (nchars - nc) * 4; m(i) = num.dval; } retval = m; } return retval; } /* %!assert (hex2num (["c00";"bff";"000";"3ff";"400"]), [-2:2]') %!assert (hex2num (["c00";"bf8";"000";"3f8";"400"], "single"), single([-2:2])') */ DEFUN (num2hex, args, , "-*- texinfo -*-\n\ @deftypefn {} {@var{s} =} num2hex (@var{n})\n\ Typecast a double or single precision number or vector to a 8 or 16\n\ character hexadecimal string of the IEEE 754 representation of the number.\n\ \n\ For example:\n\ \n\ @example\n\ @group\n\ num2hex ([-1, 1, e, Inf])\n\ @result{} \"bff0000000000000\n\ 3ff0000000000000\n\ 4005bf0a8b145769\n\ 7ff0000000000000\"\n\ @end group\n\ @end example\n\ \n\ If the argument @var{n} is a single precision number or vector, the returned\n\ string has a length of 8. For example:\n\ \n\ @example\n\ @group\n\ num2hex (single ([-1, 1, e, Inf]))\n\ @result{} \"bf800000\n\ 3f800000\n\ 402df854\n\ 7f800000\"\n\ @end group\n\ @end example\n\ @seealso{hex2num, hex2dec, dec2hex}\n\ @end deftypefn") { if (args.length () != 1) print_usage (); octave_value retval; if (args(0).is_single_type ()) { const FloatColumnVector v (args(0).float_vector_value ()); octave_idx_type nchars = 8; octave_idx_type nr = v.numel (); charMatrix m (nr, nchars); const float *pv = v.fortran_vec (); for (octave_idx_type i = 0; i < nr; i++) { union { uint32_t ival; float dval; } num; num.dval = *pv++; for (octave_idx_type j = 0; j < nchars; j++) { unsigned char ch = static_cast<char>(num.ival >> ((nchars - 1 - j) * 4) & 0xF); if (ch >= 10) ch += 'a' - 10; else ch += '0'; m.elem (i, j) = ch; } } retval = m; } else { const ColumnVector v (args(0).vector_value ()); octave_idx_type nchars = 16; octave_idx_type nr = v.numel (); charMatrix m (nr, nchars); const double *pv = v.fortran_vec (); for (octave_idx_type i = 0; i < nr; i++) { union { uint64_t ival; double dval; } num; num.dval = *pv++; for (octave_idx_type j = 0; j < nchars; j++) { unsigned char ch = static_cast<char>(num.ival >> ((nchars - 1 - j) * 4) & 0xF); if (ch >= 10) ch += 'a' - 10; else ch += '0'; m.elem (i, j) = ch; } } retval = m; } return retval; } /* %!assert (num2hex (-2:2), ["c000000000000000";"bff0000000000000";"0000000000000000";"3ff0000000000000";"4000000000000000"]) %!assert (num2hex (single (-2:2)), ["c0000000";"bf800000";"00000000";"3f800000";"40000000"]) */