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// Copyright (C) 2015 - IIT Bombay - FOSSEE
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
// Author: Keyur Joshi
// Organization: FOSSEE, IIT Bombay
// Email: toolbox@scilab.in
#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;
}
}
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