Mercurial > octave-nkf
view src/ov-flt-complex.h @ 16063:f47b8b3e2442 stable
Added tag rc-3-6-4-2 for changeset cc5a7d1233f3
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 11 Feb 2013 16:23:14 -0500 |
parents | 72c96de7a403 |
children | e8e86ae3abbc |
line wrap: on
line source
/* Copyright (C) 1996-2012 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/>. */ #if !defined (octave_float_complex_h) #define octave_float_complex_h 1 #include <cstdlib> #include <iosfwd> #include <string> #include "lo-ieee.h" #include "mx-base.h" #include "oct-alloc.h" #include "str-vec.h" #include "gripes.h" #include "error.h" #include "ov-base.h" #include "ov-flt-cx-mat.h" #include "ov-base-scalar.h" #include "ov-typeinfo.h" class octave_value_list; class tree_walker; // Complex scalar values. class OCTINTERP_API octave_float_complex : public octave_base_scalar<FloatComplex> { public: octave_float_complex (void) : octave_base_scalar<FloatComplex> () { } octave_float_complex (const FloatComplex& c) : octave_base_scalar<FloatComplex> (c) { } octave_float_complex (const octave_float_complex& c) : octave_base_scalar<FloatComplex> (c) { } ~octave_float_complex (void) { } octave_base_value *clone (void) const { return new octave_float_complex (*this); } // We return an octave_float_complex_matrix object here instead of an // octave_float_complex object so that in expressions like A(2,2,2) = 2 // (for A previously undefined), A will be empty instead of a 1x1 // object. octave_base_value *empty_clone (void) const { return new octave_float_complex_matrix (); } octave_base_value *try_narrowing_conversion (void); octave_value do_index_op (const octave_value_list& idx, bool resize_ok = false); octave_value any (int = 0) const { return (scalar != FloatComplex (0, 0) && ! (lo_ieee_isnan (std::real (scalar)) || lo_ieee_isnan (std::imag (scalar)))); } builtin_type_t builtin_type (void) const { return btyp_float_complex; } bool is_complex_scalar (void) const { return true; } bool is_complex_type (void) const { return true; } bool is_single_type (void) const { return true; } bool is_float_type (void) const { return true; } double double_value (bool = false) const; float float_value (bool = false) const; double scalar_value (bool frc_str_conv = false) const { return double_value (frc_str_conv); } float float_scalar_value (bool frc_str_conv = false) const { return float_value (frc_str_conv); } Matrix matrix_value (bool = false) const; FloatMatrix float_matrix_value (bool = false) const; NDArray array_value (bool = false) const; FloatNDArray float_array_value (bool = false) const; SparseMatrix sparse_matrix_value (bool = false) const { return SparseMatrix (matrix_value ()); } SparseComplexMatrix sparse_complex_matrix_value (bool = false) const { return SparseComplexMatrix (complex_matrix_value ()); } octave_value resize (const dim_vector& dv, bool fill = false) const; Complex complex_value (bool = false) const; FloatComplex float_complex_value (bool = false) const; ComplexMatrix complex_matrix_value (bool = false) const; FloatComplexMatrix float_complex_matrix_value (bool = false) const; ComplexNDArray complex_array_value (bool = false) const; FloatComplexNDArray float_complex_array_value (bool = false) const; bool bool_value (bool warn = false) const { if (xisnan (scalar)) gripe_nan_to_logical_conversion (); else if (warn && scalar != 0.0f && scalar != 1.0f) gripe_logical_conversion (); return scalar != 0.0f; } boolNDArray bool_array_value (bool warn = false) const { if (xisnan (scalar)) gripe_nan_to_logical_conversion (); else if (warn && scalar != 0.0f && scalar != 1.0f) gripe_logical_conversion (); return boolNDArray (dim_vector (1, 1), scalar != 1.0f); } void increment (void) { scalar += 1.0; } void decrement (void) { scalar -= 1.0; } bool save_ascii (std::ostream& os); bool load_ascii (std::istream& is); bool save_binary (std::ostream& os, bool& save_as_floats); bool load_binary (std::istream& is, bool swap, oct_mach_info::float_format fmt); #if defined (HAVE_HDF5) bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats); bool load_hdf5 (hid_t loc_id, const char *name); #endif int write (octave_stream& os, int block_size, oct_data_conv::data_type output_type, int skip, oct_mach_info::float_format flt_fmt) const { // Yes, for compatibility, we drop the imaginary part here. return os.write (array_value (true), block_size, output_type, skip, flt_fmt); } mxArray *as_mxArray (void) const; octave_value map (unary_mapper_t umap) const; private: DECLARE_OCTAVE_ALLOCATOR DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA }; typedef octave_float_complex octave_float_complex_scalar; #endif