GNU Octave 10.1.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
 
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fNDArray.h
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1////////////////////////////////////////////////////////////////////////
2//
3// Copyright (C) 1996-2025 The Octave Project Developers
4//
5// See the file COPYRIGHT.md in the top-level directory of this
6// distribution or <https://octave.org/copyright/>.
7//
8// This file is part of Octave.
9//
10// Octave is free software: you can redistribute it and/or modify it
11// under the terms of the GNU General Public License as published by
12// the Free Software Foundation, either version 3 of the License, or
13// (at your option) any later version.
14//
15// Octave is distributed in the hope that it will be useful, but
16// WITHOUT ANY WARRANTY; without even the implied warranty of
17// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18// GNU General Public License for more details.
19//
20// You should have received a copy of the GNU General Public License
21// along with Octave; see the file COPYING. If not, see
22// <https://www.gnu.org/licenses/>.
23//
24////////////////////////////////////////////////////////////////////////
25
26#if ! defined (octave_fNDArray_h)
27#define octave_fNDArray_h 1
28
29#include "octave-config.h"
30
31#include "intNDArray-fwd.h"
32#include "MArray.h"
33#include "bsxfun-decl.h"
34#include "mx-defs.h"
35#include "mx-op-decl.h"
36
37class OCTAVE_API FloatNDArray : public MArray<float>
38{
39public:
40
42
43 FloatNDArray (const dim_vector& dv) : MArray<float> (dv) { }
44
45 FloatNDArray (const dim_vector& dv, float val)
46 : MArray<float> (dv, val) { }
47
48 FloatNDArray (const FloatNDArray& a) : MArray<float> (a) { }
49
50 template <typename U>
51 FloatNDArray (const MArray<U>& a) : MArray<float> (a) { }
52
53 template <typename U>
54 FloatNDArray (const Array<U>& a) : MArray<float> (a) { }
55
56 template <typename U>
57 explicit FloatNDArray (const intNDArray<U>& a) : MArray<float> (a) { }
58
60
61 FloatNDArray& operator = (const FloatNDArray& a)
62 {
64 return *this;
65 }
66
67 ~FloatNDArray () = default;
68
69 // unary operations
70
72
73 OCTAVE_API bool any_element_is_negative (bool = false) const;
74 OCTAVE_API bool any_element_is_positive (bool = false) const;
75 OCTAVE_API bool any_element_is_nan () const;
76 OCTAVE_API bool any_element_is_inf_or_nan () const;
77 OCTAVE_API bool any_element_not_one_or_zero () const;
78 OCTAVE_API bool all_elements_are_zero () const;
79 OCTAVE_API bool all_elements_are_int_or_inf_or_nan () const;
80 OCTAVE_API bool all_integers (float& max_val, float& min_val) const;
81 OCTAVE_API bool all_integers () const;
82 OCTAVE_API bool too_large_for_float () const;
83
84 // FIXME: this is not quite the right thing.
85
86 OCTAVE_API boolNDArray all (int dim = -1) const;
87 OCTAVE_API boolNDArray any (int dim = -1) const;
88
89 OCTAVE_API FloatNDArray cumprod (int dim = -1) const;
90 OCTAVE_API FloatNDArray cumsum (int dim = -1) const;
91 OCTAVE_API FloatNDArray prod (int dim = -1) const;
92 OCTAVE_API NDArray dprod (int dim = -1) const;
93 OCTAVE_API FloatNDArray sum (int dim = -1) const;
94 OCTAVE_API NDArray dsum (int dim = -1) const;
95 OCTAVE_API FloatNDArray sumsq (int dim = -1) const;
102
103 OCTAVE_API FloatNDArray max (int dim = -1) const;
105 max (Array<octave_idx_type>& index, int dim = -1) const;
106 OCTAVE_API FloatNDArray min (int dim = -1) const;
108 min (Array<octave_idx_type>& index, int dim = -1) const;
109
110 OCTAVE_API FloatNDArray cummax (int dim = -1) const;
112 cummax (Array<octave_idx_type>& index, int dim = -1) const;
113 OCTAVE_API FloatNDArray cummin (int dim = -1) const;
115 cummin (Array<octave_idx_type>& index, int dim = -1) const;
116
117 OCTAVE_API FloatNDArray diff (octave_idx_type order = 1, int dim = -1) const;
118
120 insert (const FloatNDArray& a, octave_idx_type r, octave_idx_type c);
122 insert (const FloatNDArray& a, const Array<octave_idx_type>& ra_idx);
123
124 OCTAVE_API FloatNDArray abs () const;
128
129 OCTAVE_API FloatComplexNDArray fourier (int dim = 1) const;
130 OCTAVE_API FloatComplexNDArray ifourier (int dim = 1) const;
131
132 OCTAVE_API FloatComplexNDArray fourier2d () const;
133 OCTAVE_API FloatComplexNDArray ifourier2d () const;
134
135 OCTAVE_API FloatComplexNDArray fourierNd () const;
136 OCTAVE_API FloatComplexNDArray ifourierNd () const;
137
140
142
144
145 static OCTAVE_API void
147 const dim_vector& dimensions, int start_dimension = 0);
148
151
152 // i/o
153
154 friend OCTAVE_API std::ostream&
155 operator << (std::ostream& os, const FloatNDArray& a);
156 friend OCTAVE_API std::istream&
157 operator >> (std::istream& is, FloatNDArray& a);
158
159 OCTAVE_API FloatNDArray diag (octave_idx_type k = 0) const;
160
162
164 {
166 return *this;
167 }
168
169};
170
171// Publish externally used friend functions.
172
175
177
180
183
186
188
191
197
198#endif
template std::ostream & operator<<(std::ostream &, const Array< bool > &)
octave_idx_type compute_index(octave_idx_type n, const dim_vector &dims)
void increment_index(Array< octave_idx_type > &ra_idx, const dim_vector &dimensions, int start_dimension)
Definition Array-util.cc:60
ComplexNDArray concat(NDArray &ra, ComplexNDArray &rb, const Array< octave_idx_type > &ra_idx)
Definition CNDArray.cc:418
#define MARRAY_FORWARD_DEFS(B, R, T)
Definition MArray.h:128
std::istream & operator>>(std::istream &is, SparseBoolMatrix &a)
#define BSXFUN_STDREL_DECLS(ARRAY, API)
Definition bsxfun-decl.h:53
#define BSXFUN_STDOP_DECLS(ARRAY, API)
Definition bsxfun-decl.h:38
#define BSXFUN_OP2_DECL(OP, ARRAY, ARRAY1, ARRAY2, API)
Definition bsxfun-decl.h:32
#define BSXFUN_OP_DECL(OP, ARRAY, API)
Definition bsxfun-decl.h:29
charNDArray max(char d, const charNDArray &m)
Definition chNDArray.cc:230
charNDArray min(char d, const charNDArray &m)
Definition chNDArray.cc:207
N Dimensional Array with copy-on-write semantics.
Definition Array.h:130
FloatNDArray(const Array< U > &a)
Definition fNDArray.h:54
FloatNDArray(const MArray< U > &a)
Definition fNDArray.h:51
FloatNDArray(const dim_vector &dv, float val)
Definition fNDArray.h:45
FloatNDArray squeeze() const
Definition fNDArray.h:143
~FloatNDArray()=default
FloatNDArray(const dim_vector &dv)
Definition fNDArray.h:43
FloatNDArray(const intNDArray< U > &a)
Definition fNDArray.h:57
FloatNDArray & changesign()
Definition fNDArray.h:163
FloatNDArray(const FloatNDArray &a)
Definition fNDArray.h:48
Template for N-dimensional array classes with like-type math operators.
Definition MArray.h:61
MArray< T > & operator=(const MArray< T > &a)
Definition MArray.h:79
MArray squeeze() const
Definition MArray.h:95
void changesign()
Definition MArray.cc:217
Vector representing the dimensions (size) of an Array.
Definition dim-vector.h:90
ColumnVector real(const ComplexColumnVector &a)
ColumnVector imag(const ComplexColumnVector &a)
FloatNDArray imag(const FloatComplexNDArray &a)
Definition fNDArray.cc:516
FloatNDArray real(const FloatComplexNDArray &a)
Definition fNDArray.cc:510
bool isfinite(double x)
Definition lo-mappers.h:192
bool isinf(double x)
Definition lo-mappers.h:203
bool isnan(bool)
Definition lo-mappers.h:178
bool too_large_for_float(double x)
Definition lo-utils.cc:56
#define OCTAVE_API
Definition main.in.cc:55
#define NDND_BOOL_OP_DECLS(ND1, ND2, API)
Definition mx-op-decl.h:226
#define NDND_CMP_OP_DECLS(ND1, ND2, API)
Definition mx-op-decl.h:218
#define NDS_BOOL_OP_DECLS(ND, S, API)
Definition mx-op-decl.h:172
#define SND_CMP_OP_DECLS(S, ND, API)
Definition mx-op-decl.h:191
#define MINMAX_DECLS(T, S, API)
Definition mx-op-decl.h:288
#define NDS_CMP_OP_DECLS(ND, S, API)
Definition mx-op-decl.h:164
#define SND_BOOL_OP_DECLS(S, ND, API)
Definition mx-op-decl.h:199
octave_int< T > pow(const octave_int< T > &a, const octave_int< T > &b)
const octave_base_value const Array< octave_idx_type > & ra_idx
octave_value operator!(const octave_value &a)
Definition ov.h:1648
template int8_t abs(int8_t)