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
|
/*
* Symphony Toolbox
* Functions for modifying constraints
* By Keyur Joshi
*/
#include "symphony.h"
#include "sci_iofunc.hpp"
extern sym_environment* global_sym_env; //defined in globals.cpp
extern "C" {
#include "api_scilab.h"
#include "Scierror.h"
#include "sciprint.h"
#include "BOOL.h"
#include <localization.h>
#include <string.h>
int sci_sym_setConstrBound(char *fname){
//error management variable
SciErr sciErr;
int iRet;
//data declarations
int *varAddress,conIndex,numConstr;
double inputDouble,newBound;
bool isLower;
//ensure that environment is active
if(global_sym_env==NULL){
sciprint("Error: Symphony environment not initialized. Please run 'sym_open()' first.\n");
return 1;
}
//code to check arguments and get them
CheckInputArgument(pvApiCtx,2,2) ;
CheckOutputArgument(pvApiCtx,1,1) ;
//get argument 1: index of constraint whose bound is to be changed
if(getUIntFromScilab(1,&conIndex))
return 1;
iRet=sym_get_num_rows(global_sym_env,&numConstr);
if(iRet==FUNCTION_TERMINATED_ABNORMALLY){
Scierror(999, "An error occured. Has a problem been loaded?\n");
return 1;
}else if(conIndex>=numConstr){
Scierror(999, "An error occured. Constraint index must be a number between 0 and %d.\n",numConstr-1);
return 1;
}
//get argument 2: new bound
if(getDoubleFromScilab(2,&newBound))
return 1;
//decide which function to execute
isLower=(strcmp(fname,"sym_setConstrLower")==0);
if(isLower)
iRet=sym_set_row_lower(global_sym_env,conIndex,newBound);
else
iRet=sym_set_row_upper(global_sym_env,conIndex,newBound);
if(iRet==FUNCTION_TERMINATED_ABNORMALLY){
Scierror(999, "An error occured. Has a problem been loaded?\n");
return 1;
}else{
sciprint("Bound successfully changed.\n");
}
//code to give output
if(return0toScilab())
return 1;
return 0;
}
int sci_sym_setConstrType(char *fname){
//error management variable
SciErr sciErr;
int iRet;
//data declarations
int *varAddress,conIndex,numConstr;
double inputDouble,conRHS,conRHS2,conRange;
bool isRangedConstr=false;
char conType,*conTypeInput;
//ensure that environment is active
if(global_sym_env==NULL){
sciprint("Error: Symphony environment not initialized. Please run 'sym_open()' first.\n");
return 1;
}
//code to check arguments and get them
CheckInputArgument(pvApiCtx,3,4) ;
CheckOutputArgument(pvApiCtx,1,1) ;
//get argument 1: index of constraint whose type is to be changed
if(getUIntFromScilab(1,&conIndex))
return 1;
iRet=sym_get_num_rows(global_sym_env,&numConstr);
if(iRet==FUNCTION_TERMINATED_ABNORMALLY){
Scierror(999, "An error occured. Has a problem been loaded?\n");
return 1;
}else if(conIndex>=numConstr){
Scierror(999, "An error occured. Constraint index must be a number between 0 and %d.\n",numConstr-1);
return 1;
}
//get argument 2: type of constraint
sciErr = getVarAddressFromPosition(pvApiCtx, 2, &varAddress);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 1;
}
if ( !isStringType(pvApiCtx,varAddress) )
{
Scierror(999, "Wrong type for input argument #2: Either \"L\", \"E\", \"G\", or \"R\" is expected.\n");
return 1;
}
iRet = getAllocatedSingleString(pvApiCtx, varAddress, &conTypeInput);
if(iRet)
{
Scierror(999, "Wrong type for input argument #2: Either \"L\", \"E\", \"G\", or \"R\" is expected.\n");
return 1;
}
switch(conTypeInput[0]){
case 'l':case 'L':
conType='L';
break;
case 'e':case 'E':
conType='E';
break;
case 'g':case 'G':
conType='G';
break;
case 'r':case 'R':
conType='R';
isRangedConstr=true;
break;
default:
Scierror(999, "Wrong type for input argument #2: Either \"L\", \"E\", \"G\", or \"R\" is expected.\n");
return 1;
}
//check number of arguments for specific cases
if(isRangedConstr){
if(nbInputArgument(pvApiCtx)!=4){
Scierror(999, "4 Arguments are expected for ranged constraint.\n");
return 1;
}
}else if(nbInputArgument(pvApiCtx)!=3){
Scierror(999, "3 Arguments are expected for non-ranged constraint.\n");
return 1;
}
//get argument 3: constraint RHS
if(getDoubleFromScilab(3,&conRHS))
return 1;
//get argument 4: constraint range
if(isRangedConstr){
if(getDoubleFromScilab(4,&conRHS2))
return 1;
//conRHS should be the upper bound, and conRange should be positive
if(conRHS>=conRHS2){
conRange=conRHS-conRHS2;
}else{
conRange=conRHS2-conRHS;
conRHS=conRHS2;
}
}else{
//if not ranged constraint, just set it to 0, the value probably does not matter anyway
conRange=0;
}
iRet=sym_set_row_type(global_sym_env,conIndex,conType,conRHS,conRange);
if(iRet==FUNCTION_TERMINATED_ABNORMALLY){
Scierror(999, "An error occured. Has a problem been loaded?\n");
return 1;
}else{
sciprint("Constraint successfully changed.\n");
}
//code to give output
if(return0toScilab())
return 1;
return 0;
}
}
|
