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/*
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_mp_h)
#define octave_mp_h 1
#include <cstdlib>
#include <iosfwd>
#include <string>
#include "lo-ieee.h"
#include "lo-mappers.h"
#include "lo-utils.h"
#include "mx-base.h"
#include "oct-alloc.h"
#include "str-vec.h"
#include "gripes.h"
#include "ov-base.h"
#include "ov-re-mat.h"
#include "ov-base-scalar.h"
#include "ov-typeinfo.h"
#include "gmp.h"
#include "mpfr.h"
class octave_value_list;
class tree_walker;
// Real scalar values.
class
octave_base_multiprec : public octave_base_value
{
public:
octave_base_multiprec (void)
: octave_base_value (), prec(256)
{
mpfr_init2 (scalar, prec);
}
octave_base_multiprec (double val, int prec = 256)
: octave_base_value ()
{
mpfr_init2 (scalar, prec);
mpfr_set_d (scalar, val, GMP_RNDN);
}
octave_base_multiprec (const octave_base_multiprec& s)
: octave_base_value (), prec(s.prec)
{
mpfr_init2 (scalar, prec);
mpfr_set (scalar, s.scalar, GMP_RNDN);
}
~octave_base_multiprec (void) {mpfr_clear (scalar); }
octave_base_value *clone (void) { return new octave_base_multiprec (*this); }
idx_vector index_vector (void) const
{ return idx_vector (mpfr_get_d (scalar, GMP_RNDN)); }
int rows (void) const { return 1; }
int columns (void) const { return 1; }
bool is_constant (void) const { return true; }
bool is_defined (void) const { return true; }
bool is_real_scalar (void) const { return true; }
octave_value all (void) const { return mpfr_zero_p (scalar); }
octave_value any (void) const { return mpfr_zero_p (scalar); }
bool is_real_type (void) const { return true; }
bool is_scalar_type (void) const { return true; }
bool is_numeric_type (void) const { return true; }
bool valid_as_scalar_index (void) const
{ return mpfr_cmp_si (scalar, 1); }
bool valid_as_zero_index (void) const
{ return mpfr_zero_p (scalar); }
bool is_true (void) const { return mpfr_zero_p (scalar); }
double double_value (bool = false) const { return mpfr_get_d (scalar, GMP_RNDN); }
octave_value multiprec_value (bool = false) const
{
octave_base_multiprec *s = new octave_base_multiprec ();
mpfr_set(s->scalar, scalar, GMP_RNDN);
return *s;
}
int integer_value (bool = false) const { return mpfr_get_si (scalar, GMP_RNDN); }
// Matrix matrix_value (bool = false) const { return Matrix (1, 1, scalar); }
// Complex complex_value (bool = false) const { return scalar; }
// ComplexMatrix complex_matrix_value (bool = false) const
// { return ComplexMatrix (1, 1, Complex (scalar)); }
// octave_value gnot (void) const { return ! mpfr_zero_p (scalar); }
octave_base_multiprec uminus (void) const
{
octave_base_multiprec *s = new octave_base_multiprec();
mpfr_neg (s->scalar, scalar, GMP_RNDN);
return *s;
}
octave_base_multiprec transpose (void) const
{
octave_base_multiprec *s = new octave_base_multiprec();
mpfr_set (s->scalar, scalar, GMP_RNDN);
return *s;
}
octave_base_multiprec hermitian (void) const
{
octave_base_multiprec *s = new octave_base_multiprec();
mpfr_set (s->scalar, scalar, GMP_RNDN);
return *s;
}
void increment (void) { mpfr_add_si (scalar, scalar, 1, GMP_RNDN); }
void decrement (void) { mpfr_sub_si (scalar, scalar, 1, GMP_RNDN); }
void print (std::ostream& os, bool pr_as_read_syntax = false) const;
private:
mpfr_t scalar;
mpfr_prec_t prec;
DECLARE_OCTAVE_ALLOCATOR
DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
};
void
octave_base_multiprec::print (std::ostream& os, bool pr_as_read_syntax) const
{
os << scalar;
// octave_print_internal (os, scalar, pr_as_read_syntax);
}
class
octave_base_multiprec : public octave_base_value
{
public:
octave_base_multiprec (void)
: octave_base_value (), prec(256)
{
mpfr_init2 (scalar, prec);
}
octave_base_multiprec (double val, int prec = 256)
class
OCTINTERP_API
octave_scalar : public octave_base_scalar<mpfr_t>
{
public:
octave_scalar (void)
: octave_base_scalar<double> (0.0) { }
octave_scalar (double d)
: octave_base_scalar<double> (d) { }
octave_scalar (const octave_scalar& s)
: octave_base_scalar<double> (s) { }
~octave_scalar (void) { }
octave_base_value *clone (void) const { return new octave_scalar (*this); }
// We return an octave_matrix here instead of an octave_scalar 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_matrix (); }
octave_value do_index_op (const octave_value_list& idx,
bool resize_ok = false);
type_conv_info numeric_demotion_function (void) const;
idx_vector index_vector (void) const { return idx_vector (scalar); }
octave_value any (int = 0) const
{ return (scalar != 0 && ! lo_ieee_isnan (scalar)); }
builtin_type_t builtin_type (void) const { return btyp_double; }
bool is_real_scalar (void) const { return true; }
bool is_real_type (void) const { return true; }
bool is_double_type (void) const { return true; }
bool is_float_type (void) const { return true; }
int8NDArray
int8_array_value (void) const
{ return int8NDArray (dim_vector (1, 1), scalar); }
int16NDArray
int16_array_value (void) const
{ return int16NDArray (dim_vector (1, 1), scalar); }
int32NDArray
int32_array_value (void) const
{ return int32NDArray (dim_vector (1, 1), scalar); }
int64NDArray
int64_array_value (void) const
{ return int64NDArray (dim_vector (1, 1), scalar); }
uint8NDArray
uint8_array_value (void) const
{ return uint8NDArray (dim_vector (1, 1), scalar); }
uint16NDArray
uint16_array_value (void) const
{ return uint16NDArray (dim_vector (1, 1), scalar); }
uint32NDArray
uint32_array_value (void) const
{ return uint32NDArray (dim_vector (1, 1), scalar); }
uint64NDArray
uint64_array_value (void) const
{ return uint64NDArray (dim_vector (1, 1), scalar); }
#define DEFINE_INT_SCALAR_VALUE(TYPE) \
octave_ ## TYPE \
TYPE ## _scalar_value (void) const \
{ return octave_ ## TYPE (scalar); }
DEFINE_INT_SCALAR_VALUE (int8)
DEFINE_INT_SCALAR_VALUE (int16)
DEFINE_INT_SCALAR_VALUE (int32)
DEFINE_INT_SCALAR_VALUE (int64)
DEFINE_INT_SCALAR_VALUE (uint8)
DEFINE_INT_SCALAR_VALUE (uint16)
DEFINE_INT_SCALAR_VALUE (uint32)
DEFINE_INT_SCALAR_VALUE (uint64)
#undef DEFINE_INT_SCALAR_VALUE
double double_value (bool = false) const { return scalar; }
float float_value (bool = false) const { return static_cast<float> (scalar); }
double scalar_value (bool = false) const { return scalar; }
float float_scalar_value (bool = false) const { return static_cast<float> (scalar); }
Matrix matrix_value (bool = false) const
{ return Matrix (1, 1, scalar); }
FloatMatrix float_matrix_value (bool = false) const
{ return FloatMatrix (1, 1, scalar); }
NDArray array_value (bool = false) const
{ return NDArray (dim_vector (1, 1), scalar); }
FloatNDArray float_array_value (bool = false) const
{ return FloatNDArray (dim_vector (1, 1), scalar); }
SparseMatrix sparse_matrix_value (bool = false) const
{ return SparseMatrix (Matrix (1, 1, scalar)); }
// FIXME Need SparseComplexMatrix (Matrix) constructor!!!
SparseComplexMatrix sparse_complex_matrix_value (bool = false) const
{ return SparseComplexMatrix (sparse_matrix_value ()); }
octave_value resize (const dim_vector& dv, bool fill = false) const;
Complex complex_value (bool = false) const { return scalar; }
FloatComplex float_complex_value (bool = false) const { return scalar; }
ComplexMatrix complex_matrix_value (bool = false) const
{ return ComplexMatrix (1, 1, Complex (scalar)); }
FloatComplexMatrix float_complex_matrix_value (bool = false) const
{ return FloatComplexMatrix (1, 1, FloatComplex (scalar)); }
ComplexNDArray complex_array_value (bool = false) const
{ return ComplexNDArray (dim_vector (1, 1), Complex (scalar)); }
FloatComplexNDArray float_complex_array_value (bool = false) const
{ return FloatComplexNDArray (dim_vector (1, 1), FloatComplex (scalar)); }
charNDArray
char_array_value (bool = false) const
{
charNDArray retval (dim_vector (1, 1));
retval(0) = static_cast<char> (scalar);
return retval;
}
bool bool_value (bool warn = false) const
{
if (xisnan (scalar))
gripe_nan_to_logical_conversion ();
else if (warn && scalar != 0 && scalar != 1)
gripe_logical_conversion ();
return scalar;
}
boolNDArray bool_array_value (bool warn = false) const
{
if (xisnan (scalar))
gripe_nan_to_logical_conversion ();
else if (warn && scalar != 0 && scalar != 1)
gripe_logical_conversion ();
return boolNDArray (dim_vector (1, 1), scalar);
}
octave_value diag (octave_idx_type m, octave_idx_type n) const;
octave_value convert_to_str_internal (bool pad, bool force, char type) const;
void increment (void) { ++scalar; }
void decrement (void) { --scalar; }
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
{
return os.write (array_value (), block_size, output_type,
skip, flt_fmt);
}
mxArray *as_mxArray (void) const;
octave_value map (unary_mapper_t umap) const;
bool fast_elem_insert_self (void *where, builtin_type_t btyp) const;
private:
DECLARE_OCTAVE_ALLOCATOR
DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
};
#endif