Mercurial > hg > octave-lyh
view libinterp/octave-value/ov-int64.cc @ 15487:ecf5be238b4a
provide signbit mapper for real values
* mappers.cc (Fsignbit): New function and tests.
* ov-base.cc (octave_base_value::get_umap_name): Include signbit in
the list.
* ov-base.h (octave_base_value::unary_mapper_t): Include umap_xsignbit
in the list.
* ov-float.cc (octave_float_scalar::map): Handle xsignbit.
* ov-scalar.cc (octave_scalar::map): Handle xsignbit.
* ov-re-mat.cc (octave_matrix::map): Handle xsignbit.
* ov-flt-re-mat.cc (octave_float_matrix::map): Handle xsignbit.
* lo-mappers.h (xsignbit): New template function.
* arith.txi: Document signbit.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 04 Oct 2012 09:48:07 -0400 |
parents | 9020dddc925a |
children |
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/* Copyright (C) 2004-2012 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 <iostream> #include <limits> #include "lo-ieee.h" #include "lo-utils.h" #include "mx-base.h" #include "quit.h" #include "defun.h" #include "gripes.h" #include "oct-obj.h" #include "oct-lvalue.h" #include "ops.h" #include "ov-base.h" #ifdef HAVE_HDF5 #define HDF5_SAVE_TYPE H5T_NATIVE_INT64 #endif #include "ov-base-int.h" #include "ov-base-int.cc" #include "ov-int64.h" #include "ov-type-conv.h" #include "pr-output.h" #include "variables.h" #include "byte-swap.h" #include "ls-oct-ascii.h" #include "ls-utils.h" #include "ls-hdf5.h" template class octave_base_matrix<int64NDArray>; template class octave_base_int_matrix<int64NDArray>; DEFINE_OCTAVE_ALLOCATOR (octave_int64_matrix); DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_int64_matrix, "int64 matrix", "int64"); template class octave_base_scalar<octave_int64>; template class octave_base_int_scalar<octave_int64>; DEFINE_OCTAVE_ALLOCATOR (octave_int64_scalar); DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_int64_scalar, "int64 scalar", "int64"); DEFUN (int64, args, , "-*- texinfo -*-\n\ @deftypefn {Built-in Function} {} int64 (@var{x})\n\ Convert @var{x} to 64-bit integer type.\n\ @end deftypefn") { OCTAVE_TYPE_CONV_BODY (int64); } /* %!assert (class (int64 (1)), "int64") %!assert (int64 (1.25), int64 (1)) %!assert (int64 (1.5), int64 (2)) %!assert (int64 (-1.5), int64 (-2)) %!assert (int64 (2^65), int64 (2^64-1)) %!assert (int64 (-2^65), int64 (-2^64)) */