1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*****************************************************************************
* *
* Small (Matlab/Octave) Toolbox for Kriging *
* *
* Copyright Notice *
* *
* Copyright (C) 2020 CentraleSupelec *
* Copyright (C) 2013 SUPELEC *
* *
* Author: Julien Bect <julien.bect@centralesupelec.fr> *
* *
* Copying Permission Statement *
* *
* This file is part of *
* *
* STK: a Small (Matlab/Octave) Toolbox for Kriging *
* (https://github.com/stk-kriging/stk/) *
* *
* STK 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. *
* *
* STK 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 STK. If not, see <http://www.gnu.org/licenses/>. *
* *
****************************************************************************/
#include "string.h"
#include "stk_mex.h"
#define ICOL_SAMPLESIZE -6 /* will be a -5 in the end */
#define ICOL_INFO -5 /* will be a -4 in the end */
#define ICOL_ROWNAMES -4 /* will be a -3 in the end */
#define ICOL_COLNAMES -3 /* will be a -2 in the end */
#define ICOL_ENTIRE_DATAFRAME -2 /* will be a -1 in the end */
int get_column_number(const mxArray* mxColNames, char* s)
{
size_t ncol, cmax, c;
char** colnames;
mxArray* tmp;
int icol, found;
if (strcmp (s, "info") == 0)
return ICOL_INFO;
if (strcmp (s, "rownames") == 0)
return ICOL_ROWNAMES;
if (strcmp (s, "colnames") == 0)
return ICOL_COLNAMES;
if (strcmp (s, "sample_size") == 0)
return ICOL_SAMPLESIZE;
ncol = mxGetNumberOfElements (mxColNames);
if (ncol == 0) {
if (strcmp(s, "data") == 0)
return ICOL_ENTIRE_DATAFRAME;
mexErrMsgTxt ("The dataframe has no column names.");
}
icol = -1;
/* Read colum names and compare with s. We stop when the first
match is found, assuming that we are dealing with a
well-formed dataframe without duplicated column names. */
colnames = (char**) mxCalloc(ncol, sizeof(char*));
for (c = 0; c < ncol; c++)
{
tmp = mxGetCell(mxColNames, c);
if (tmp == NULL)
mexErrMsgTxt("Error while reading column names (mxGetCell).");
colnames[c] = mxArrayToString(tmp);
if (colnames[c] == NULL)
mexErrMsgTxt("Error while reading column names (mxArrayToString).");
if (strcmp(colnames[c], s) == 0)
{
icol = (int) c;
break;
}
}
/* Maximum c such that colnames[c] must be freed */
found = (icol != -1);
cmax = ((found) ? (c) : (ncol - 1));
/* Deal with special cases, in particular LEGACY cases,
if no exact match has been found */
if (!found)
{
if (strcmp(s, "data") == 0)
{
icol = ICOL_ENTIRE_DATAFRAME;
}
else if (strcmp(s, "a") == 0)
{
for (c = 0; c < ncol; c++)
if (strcmp(colnames[c], "mean") == 0)
{
icol = (int) c;
break;
}
if (icol == -1)
{
icol = ICOL_ENTIRE_DATAFRAME;
mexWarnMsgIdAndTxt("STK:subsref_dot:Legacy",
"There is no variable named 'a'.\n"
" => Assuming that you're an old STK user"
" trying to get the entire dataframe.");
}
else
{
mexWarnMsgIdAndTxt("STK:subsref_dot:Legacy",
"There is no variable named 'a'.\n"
" => Assuming that you're an old STK user"
" trying to get the kriging mean.");
}
}
else if (strcmp(s, "v") == 0)
{
for (c = 0; c < ncol; c++)
if (strcmp(colnames[c], "var") == 0)
{
icol = (int) c;
break;
}
if (icol != -1)
mexWarnMsgIdAndTxt("STK:subsref_dot:Legacy",
"There is no variable named 'v'.\n"
" => Assuming that you're an old STK user"
" trying to get the kriging variance.");
}
}
/* ERROR if no corresponding column can be found */
if (icol == -1)
mexErrMsgIdAndTxt("STK:subsref_dot:UnknownVariable",
"There is no variable named %s.", s);
/* Free memory used for column names. */
for (c = 0; c <= cmax; c++)
mxFree(colnames[c]);
mxFree(colnames);
return icol;
}
#define COLNAMES_IN prhs[0]
#define PROPNAME_IN prhs[1]
#define ICOL_OUT plhs[0]
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
char *s;
int icol;
/*--- Check number of input/output arguments --------------------------------*/
if (nrhs != 2)
mexErrMsgTxt("Incorrect number of input arguments (should be 2).");
if (nlhs > 1)
mexErrMsgTxt("Incorrect number of output arguments (should be 1).");
/*--- Read property name ----------------------------------------------------*/
if (!mxIsChar(PROPNAME_IN))
mexErrMsgTxt("PropertyName argument should be of class 'char'.");
s = mxArrayToString(PROPNAME_IN);
if(s == NULL)
mexErrMsgTxt("mxArrayToString failed to process PropertyName argument.");
/*--- Which column are we trying to set ? -----------------------------------*/
icol = get_column_number(COLNAMES_IN, s);
ICOL_OUT = mxCreateDoubleScalar (icol + 1);
mxFree(s);
}
|
