octave: libinterp/corefcn/__lin_interpn_

annotate libinterp/corefcn/__lin_interpn__.cc @ 27919:1891570abac8

update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2020.

author	John W. Eaton <jwe@octave.org>
date	Mon, 06 Jan 2020 22:29:51 -0500
parents	b442ec6dda5c
children	bd51beb6205e

rev	line source
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	1 /*
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	2
27919 1891570abac8 update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 27918 diff changeset	3 Copyright (C) 2007-2020 The Octave Project Developers
27918 b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	4
b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	5 See the file COPYRIGHT.md in the top-level directory of this distribution
b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	6 or <https://octave.org/COPYRIGHT.html/>.
b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	7
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	8
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	9 This file is part of Octave.
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	10
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23803 diff changeset	11 Octave is free software: you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	12 under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23803 diff changeset	13 the Free Software Foundation, either version 3 of the License, or
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	14 (at your option) any later version.
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	15
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	16 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	17 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	19 GNU General Public License for more details.
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	20
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	21 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6945 diff changeset	22 along with Octave; see the file COPYING. If not, see
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23803 diff changeset	23 <https://www.gnu.org/licenses/>.
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	24
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	25 */
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	26
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21660 diff changeset	27 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21200 diff changeset	28 # include "config.h"
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	29 #endif
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	30
9003 0631d397fbe0 replace lo_ieee_isnan by xisnan, add missing includes Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	31 #include "lo-ieee.h"
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	32 #include "dNDArray.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	33 #include "oct-locbuf.h"
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	34
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	35 #include "defun.h"
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	36 #include "error.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20918 diff changeset	37 #include "ovl.h"
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	38
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	39 // equivalent to isvector.m
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	40
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20940 diff changeset	41 template <typename T>
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	42 bool
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	43 isvector (const T& array)
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	44 {
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	45 const dim_vector dv = array.dims ();
21660 53728df3e4c9 maint: for clarity, call ndims() rather than length() on dimension vectors. Rik <rik@octave.org> parents: 21568 diff changeset	46 return dv.ndims () == 2 && (dv(0) == 1 \|\| dv(1) == 1);
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	47 }
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	48
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	49 // lookup a value in a sorted table (lookup.m)
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20940 diff changeset	50 template <typename T>
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	51 octave_idx_type
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	52 lookup (const T *x, octave_idx_type n, T y)
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	53 {
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	54 octave_idx_type j;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	55
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	56 if (x[0] < x[n-1])
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	57 {
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	58 // increasing x
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	59
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	60 if (y > x[n-1] \|\| y < x[0])
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	61 return -1;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	62
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21660 diff changeset	63 #if defined (EXHAUSTIF)
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	64 for (j = 0; j < n - 1; j++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	65 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	66 if (x[j] <= y && y <= x[j+1])
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	67 return j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	68 }
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	69 #else
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	70 octave_idx_type j0 = 0;
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	71 octave_idx_type j1 = n - 1;
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	72
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	73 while (true)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	74 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	75 j = (j0+j1)/2;
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	76
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	77 if (y <= x[j+1])
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	78 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	79 if (x[j] <= y)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	80 return j;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	81
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	82 j1 = j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	83 }
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	84
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	85 if (x[j] <= y)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	86 j0 = j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	87 }
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	88 #endif
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	89 }
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	90 else
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	91 {
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	92 // decreasing x
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	93 // previous code with x -> -x and y -> -y
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	94
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	95 if (y > x[0] \|\| y < x[n-1])
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	96 return -1;
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	97
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21660 diff changeset	98 #if defined (EXHAUSTIF)
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	99 for (j = 0; j < n - 1; j++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	100 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	101 if (x[j+1] <= y && y <= x[j])
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	102 return j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	103 }
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	104 #else
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	105 octave_idx_type j0 = 0;
a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	106 octave_idx_type j1 = n - 1;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	107
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	108 while (true)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	109 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	110 j = (j0+j1)/2;
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	111
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	112 if (y >= x[j+1])
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	113 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	114 if (x[j] >= y)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	115 return j;
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	116
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	117 j1 = j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	118 }
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	119
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	120 if (x[j] >= y)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	121 j0 = j;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	122 }
7561 a938cd7869b2 __lin_interpn__.cc: handle decreasing coordinate values Alexander Barth parents: 7016 diff changeset	123 #endif
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	124 }
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	125 }
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	126
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	127 // n-dimensional linear interpolation
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	128
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20940 diff changeset	129 template <typename T>
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	130 void
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	131 lin_interpn (int n, const octave_idx_type size, const octave_idx_type scale,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	132 octave_idx_type Ni, T extrapval, const T **x,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	133 const T v, const T y, T vi)
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	134 {
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	135 bool out = false;
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	136 int bit;
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	137
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	138 OCTAVE_LOCAL_BUFFER (T, coef, 2*n);
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	139 OCTAVE_LOCAL_BUFFER (octave_idx_type, index, n);
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	140
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	141 // loop over all points
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	142 for (octave_idx_type m = 0; m < Ni; m++)
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	143 {
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	144 // loop over all dimensions
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	145 for (int i = 0; i < n; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	146 {
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	147 index[i] = lookup (x[i], size[i], y[i][m]);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	148 out = index[i] == -1;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	149
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	150 if (out)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	151 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	152 else
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	153 {
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	154 octave_idx_type j = index[i];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	155 coef[2*i+1] = (y[i][m] - x[i][j])/(x[i][j+1] - x[i][j]);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	156 coef[2i] = 1 - coef[2i+1];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	157 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	158 }
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	159
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	160 if (out)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	161 vi[m] = extrapval;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	162 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	163 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	164 vi[m] = 0;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	165
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	166 // loop over all corners of hypercube (1<<n = 2^n)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	167 for (int i = 0; i < (1 << n); i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	168 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	169 T c = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	170 octave_idx_type l = 0;
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	171
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	172 // loop over all dimensions
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	173 for (int j = 0; j < n; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	174 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	175 // test if the jth bit in i is set
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	176 bit = i >> j & 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	177 l += scale[j] * (index[j] + bit);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	178 c = coef[2j+bit];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	179 }
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	180
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	181 vi[m] += c * v[l];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	182 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	183 }
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	184 }
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	185 }
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	186
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20940 diff changeset	187 template <typename T, typename M>
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	188 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	189 lin_interpn (int n, M X, const M V, M Y)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	190 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	191 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	192
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	193 M Vi = M (Y[0].dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	194
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	195 OCTAVE_LOCAL_BUFFER (const T *, y, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	196 OCTAVE_LOCAL_BUFFER (octave_idx_type, size, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	197
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	198 for (int i = 0; i < n; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	199 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	200 y[i] = Y[i].data ();
21568 3d60ed163b70 maint: Eliminate bad spacing around '='. Rik <rik@octave.org> parents: 21301 diff changeset	201 size[i] = V.dims ()(i);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	202 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	203
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	204 OCTAVE_LOCAL_BUFFER (const T *, x, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	205 OCTAVE_LOCAL_BUFFER (octave_idx_type, scale, n);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	206
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	207 const T *v = V.data ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	208 T *vi = Vi.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	209 octave_idx_type Ni = Vi.numel ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	210
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	211 T extrapval = octave_NA;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	212
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	213 // offset in memory of each dimension
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	214
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	215 scale[0] = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	216
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	217 for (int i = 1; i < n; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	218 scale[i] = scale[i-1] * size[i-1];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	219
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	220 // tests if X[0] is a vector, if yes, assume that all elements of X are
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	221 // in the ndgrid format.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	222
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	223 if (! isvector (X[0]))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	224 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	225 for (int i = 0; i < n; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	226 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	227 if (X[i].dims () != V.dims ())
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	228 error ("interpn: incompatible size of argument number %d", i+1);
35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	229
35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	230 M tmp = M (dim_vector (size[i], 1));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	231
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	232 for (octave_idx_type j = 0; j < size[i]; j++)
21568 3d60ed163b70 maint: Eliminate bad spacing around '='. Rik <rik@octave.org> parents: 21301 diff changeset	233 tmp(j) = X[i](scale[i]*j);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	234
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	235 X[i] = tmp;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	236 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	237 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	238
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	239 for (int i = 0; i < n; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	240 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	241 if (! isvector (X[i]) && X[i].numel () != size[i])
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	242 error ("interpn: incompatible size of argument number %d", i+1);
35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	243
35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	244 x[i] = X[i].data ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	245 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	246
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	247 lin_interpn (n, size, scale, Ni, extrapval, x, v, y, vi);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	248
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	249 retval = Vi;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	250
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	251 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	252 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	253
6945 6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	254 // Perform @var{n}-dimensional interpolation. Each element of then
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	255 // @var{n}-dimensional array @var{v} represents a value at a location
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21724 diff changeset	256 // given by the parameters @var{x1}, @var{x2},...,@var{xn}. The parameters
6945 6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	257 // @var{x1}, @var{x2}, @dots{}, @var{xn} are either @var{n}-dimensional
23803 90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes. Rik <rik@octave.org> parents: 23220 diff changeset	258 // arrays of the same size as the array @var{v} in the "ndgrid" format
6945 6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	259 // or vectors. The parameters @var{y1}, @var{y2}, @dots{}, @var{yn} are
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	260 // all @var{n}-dimensional arrays of the same size and represent the
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	261 // points at which the array @var{vi} is interpolated.
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	262 //
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	263 //This function only performs linear interpolation.
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6742 diff changeset	264
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	265 DEFUN (__lin_interpn__, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	266 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	267 @deftypefn {} {@var{vi} =} __lin_interpn__ (@var{x1}, @var{x2}, @dots{}, @var{xn}, @var{v}, @var{y1}, @var{y2}, @dots{}, @var{yn})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	268 Undocumented internal function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	269 @end deftypefn */)
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	270 {
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	271 int nargin = args.length ();
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	272
20812 d9ca869ca124 maint: Clean-up more instances of print_usage(). Rik <rik@octave.org> parents: 20802 diff changeset	273 if (nargin < 2 \|\| nargin % 2 == 0)
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20678 diff changeset	274 print_usage ();
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	275
20918 6f0bd96f93c0 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	276 octave_value retval;
6f0bd96f93c0 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	277
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	278 // dimension of the problem
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	279 int n = (nargin-1)/2;
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	280
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	281 if (args(n).is_single_type ())
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	282 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	283 OCTAVE_LOCAL_BUFFER (FloatNDArray, X, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	284 OCTAVE_LOCAL_BUFFER (FloatNDArray, Y, n);
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	285
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	286 const FloatNDArray V = args(n).float_array_value ();
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	287
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	288 for (int i = 0; i < n; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	289 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	290 X[i] = args(i).float_array_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	291 Y[i] = args(n+i+1).float_array_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	292
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	293 if (Y[0].dims () != Y[i].dims ())
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	294 error ("interpn: incompatible size of argument number %d", n+i+2);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	295 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	296
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	297 retval = lin_interpn<float, FloatNDArray> (n, X, V, Y);
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	298 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	299 else
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	300 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	301 OCTAVE_LOCAL_BUFFER (NDArray, X, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	302 OCTAVE_LOCAL_BUFFER (NDArray, Y, n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	303
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	304 const NDArray V = args(n).array_value ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	305
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	306 for (int i = 0; i < n; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	307 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	308 X[i] = args(i).array_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	309 Y[i] = args(n+i+1).array_value ();
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	310
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	311 if (Y[0].dims () != Y[i].dims ())
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	312 error ("interpn: incompatible size of argument number %d", n+i+2);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9003 diff changeset	313 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	314
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	315 retval = lin_interpn<double, NDArray> (n, X, V, Y);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7561 diff changeset	316 }
6702 b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	317
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	318 return retval;
b2391d403ed2 [project @ 2007-06-12 21:39:26 by dbateman] dbateman parents: diff changeset	319 }
12805 3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	320
3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	321 /*
3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	322 ## No test needed for internal helper function.
3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	323 %!assert (1)
3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	324 */

Mercurial > octave

annotate libinterp/corefcn/__lin_interpn__.cc @ 27919:1891570abac8