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Java GLPKConstants类代码示例

本文整理汇总了Java中org.gnu.glpk.GLPKConstants类的典型用法代码示例。如果您正苦于以下问题：Java GLPKConstants类的具体用法？Java GLPKConstants怎么用？Java GLPKConstants使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


GLPKConstants类属于org.gnu.glpk包，在下文中一共展示了GLPKConstants类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: initialize

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
public static void initialize() {
	try {
		if (System.getProperty("os.name").toLowerCase().contains("windows")) {
			// try to load Windows library
			System.loadLibrary("glpk_4_47_java");
		} else {
			// try to load Linux library
			System.loadLibrary("glpk_java");
		}
	} catch (UnsatisfiedLinkError e) {
		System.err
				.println("The dynamic link library for GLPK for Java could not be "
						+ "loaded.\nConsider using\njava -Djava.library.path=");
		throw e;
	}
	
	GLPK.glp_java_set_msg_lvl(GLPKConstants.GLP_JAVA_MSG_LVL_OFF);
	GLPK.glp_term_out(GLPKConstants.GLP_OFF);
}
开发者ID:KeepTheBeats，项目名称:alevin-svn2，代码行数:20，代码来源:LpSolver.java

示例2: removeRows

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
@Override
public void removeRows(int[] indexes) throws CPException {

	SWIGTYPE_p_int ind = GLPK.new_intArray( indexes.length + 1 );
	
	for (int i = 0; i < indexes.length; i++) {
	
		GLPK.intArray_setitem( ind, i + 1, indexes[i] );
	}
	
	GLPK.glp_del_rows( m_model, indexes.length, ind );	
	GLPK.delete_intArray( ind );
	m_simplexCtrl.setPresolve( GLPKConstants.GLP_ON );
	m_colStats = null;
	m_rowStats = null;
}
开发者ID:klinovp，项目名称:pronto，代码行数:17，代码来源:GLPKLPSolverImpl.java

示例3: setRowBounds

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
public void setRowBounds(int rowIndex, double lBound, double uBound) {
	
	if (lBound == Double.NEGATIVE_INFINITY) {
		
		if (uBound == Double.POSITIVE_INFINITY) {
			//Set the row free
			GLPK.glp_set_row_bnds( m_model, rowIndex, GLPKConstants.GLP_FR, 0, 0 );
			
		} else {
			//Upper bound
			GLPK.glp_set_row_bnds( m_model, rowIndex, GLPKConstants.GLP_UP, 0, uBound );
		}
	} else {
		
		if (uBound == Double.POSITIVE_INFINITY) {
			//Lower bound
			GLPK.glp_set_row_bnds( m_model, rowIndex, GLPKConstants.GLP_LO, lBound, 0 );
			
		} else {
			//Double bound
			GLPK.glp_set_row_bnds( m_model, rowIndex, GLPKConstants.GLP_DB, lBound, uBound );
		}			
	}
}
开发者ID:klinovp，项目名称:pronto，代码行数:25，代码来源:GLPKLPSolverImpl.java

示例4: setColumnCoefficients

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
protected static void setColumnCoefficients(glp_prob model, int index, double[] column) {
	
	SWIGTYPE_p_double col = GLPK.new_doubleArray( column.length );
	SWIGTYPE_p_int ind = GLPK.new_intArray( column.length );
	//Set the coefficients
	for (int i = 1; i < column.length; i++) {
		
		GLPK.doubleArray_setitem( col, i, column[i] );
		GLPK.intArray_setitem( ind, i, i );
	}
	
	GLPK.glp_set_mat_col( model, index, column.length - 1, ind, col );
	GLPK.glp_set_col_kind( model, index, GLPKConstants.GLP_CV );
	GLPK.glp_set_col_bnds( model, index, GLPKConstants.GLP_LO, 0, Double.MAX_VALUE );
	
	GLPK.delete_doubleArray( col );
	GLPK.delete_intArray( ind );
}
开发者ID:klinovp，项目名称:pronto，代码行数:19，代码来源:GLPKUtils.java

示例5: removeColumns

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
@Override
public void removeColumns(String namePrefix) {
	assertIndex();
	
	SWIGTYPE_p_int delIndex = GLPK.new_intArray( getColumnNumber() );
	int ind = 1;
	
	for (int i = getFirstColumnIndex(); i <= getColumnNumber(); i++) {
		
		String colName = GLPK.glp_get_col_name( getModel(), i );
		
		if (colName != null && colName.startsWith( namePrefix )) {
			GLPK.intArray_setitem( delIndex, ind++, i );
		}
	}
			
	if (ind > 1) {
		GLPK.glp_del_cols( getModel(), ind - 1, delIndex );	
	}
	
	GLPK.delete_intArray( delIndex );
	getSimplexCtrl().setPresolve( GLPKConstants.GLP_ON );
}
开发者ID:klinovp，项目名称:pronto，代码行数:24，代码来源:CCAwareGLPKSolver.java

示例6: removeColumns

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
@Override
public void removeColumns(int[] indexes) throws CPException {
	
	SWIGTYPE_p_int ind = GLPK.new_intArray( indexes.length + 1 );
	
	for (int i = 0; i < indexes.length; i++) {
	
		GLPK.intArray_setitem( ind, i + 1, indexes[i] );
	}
	
	GLPK.glp_del_cols( m_model, indexes.length, ind );	
	GLPK.delete_intArray( ind );
	m_simplexCtrl.setPresolve( GLPKConstants.GLP_ON );
}
开发者ID:klinovp，项目名称:pronto，代码行数:15，代码来源:GLPKLPSolverImpl.java

示例7: checkRow

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
private boolean checkRow(	SWIGTYPE_p_double row,
							SWIGTYPE_p_int varIndexes,
							int len,
							int type,
							double lb,
							double ub,
							double[] assignment) {
	
	//Compute left hand-side first
	double lhs = 0d;
	boolean result = false;
	
	for (int i = 1; i <= len; i++) {
		
		int varInd = GLPK.intArray_getitem(varIndexes, i);
		double coeff = GLPK.doubleArray_getitem(row, i);
		
		lhs += coeff * assignment[varInd - 1];
	}
	
	if (type == GLPKConstants.GLP_FX) {
		
		result = NumberUtils.equal(lhs, lb);
	}
	
	if (type == GLPKConstants.GLP_LO) {
		
		result = !NumberUtils.greater(lb, lhs);
	}
	
	if (type == GLPKConstants.GLP_UP) {
		
		result = !NumberUtils.greater(lhs, ub);
	}		
	
	return result;
}
开发者ID:klinovp，项目名称:pronto，代码行数:38，代码来源:GLPKLPSolverImpl.java

示例8: getStatus

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
@Override
public STATUS getStatus() {

	int status = GLPK.glp_get_status( m_model );		
	
	if (status == GLPKConstants.GLP_OPT) return STATUS.OPTIMAL;
	if (status == GLPKConstants.GLP_FEAS) return STATUS.FEASIBLE;
	if (status == GLPKConstants.GLP_NOFEAS) return STATUS.INFEASIBLE;

	return STATUS.UNDEFINED;
}
开发者ID:klinovp，项目名称:pronto，代码行数:12，代码来源:GLPKLPSolverImpl.java

示例9: getStatus

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
@Override
public STATUS getStatus() {

	int simplexStatus = GLPK.glp_get_status( getModel() );		
	int mipStatus = GLPK.glp_mip_status( getModel());
	
	if (mipStatus == GLPKConstants.GLP_OPT) return STATUS.OPTIMAL;
	if (mipStatus == GLPKConstants.GLP_FEAS) return STATUS.FEASIBLE;
	if (mipStatus == GLPKConstants.GLP_NOFEAS 
			|| simplexStatus == GLPKConstants.GLP_NOFEAS) return STATUS.INFEASIBLE;

	return STATUS.UNDEFINED;
}
开发者ID:klinovp，项目名称:pronto，代码行数:14，代码来源:GLPKMIPSolverImpl.java

示例10: requireOneShiftOnly

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
private void requireOneShiftOnly() {
    GLPK.glp_add_rows(problem, n * (2*d+1));
    for (int i = 0; i < n; i++) {
        int shift = i * (d * m + ms);
        
        for (int ii = 0; ii < d; ii++) {                
            // One shift only in the morning
            for (int iii = shift + ii*m + 1; iii <= shift + ii*m + mm; iii++) {
                GLPK.intArray_setitem(ia, ++el, r);
                GLPK.intArray_setitem(ja, el, iii);
                GLPK.doubleArray_setitem(va, el, 1);
            }
            GLPK.glp_set_row_bnds(problem, r, GLPKConstants.GLP_FX, 1.0, 1.0);
            r++;
            
            // One shift only in the afternoon
            for (int iii = shift + ii*m + mm + 1; iii <= shift + ii*m + m; iii++) {
                GLPK.intArray_setitem(ia, ++el, r);
                GLPK.intArray_setitem(ja, el, iii);
                GLPK.doubleArray_setitem(va, el, 1);
            }
            GLPK.glp_set_row_bnds(problem, r, GLPKConstants.GLP_FX, 1.0, 1.0);
            r++;
        }
        
        // One shift only on Sunday
        for (int iii = shift + m*d + 1; iii <= shift + m*d + ms; iii++) {                
            GLPK.intArray_setitem(ia, ++el, r);
            GLPK.intArray_setitem(ja, el, iii);
            GLPK.doubleArray_setitem(va, el, 1);
        }
        GLPK.glp_set_row_bnds(problem, r, GLPKConstants.GLP_FX, 1.0, 1.0);
        r++;
    }        
}
开发者ID:robol，项目名称:shift-scheduler，代码行数:36，代码来源:TimetableSolver.java

示例11: requireCorrectWorkingHours

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
private void requireCorrectWorkingHours() {
    GLPK.glp_add_rows(problem, n);
    for (int i = 0; i < n; i++) {
        int shift = i * (d*m+ms);
        
        for (int ii = 1; ii <= d; ii++) {
            for (int iii = 1; iii <= mm; iii++) {
                GLPK.intArray_setitem(ia, ++el, r);
                GLPK.intArray_setitem(ja, el, shift + (ii-1)*m + iii);
                GLPK.doubleArray_setitem(va, el, 
                        (iii < mm) ? shift_storage.getMorningShift(iii-1).length() : 0.0);
            }
            for (int iii = 1; iii <= ma; iii++) {
                GLPK.intArray_setitem(ia, ++el, r);
                GLPK.intArray_setitem(ja, el, shift + (ii-1)*m + mm + iii);
                GLPK.doubleArray_setitem(va, el, 
                        (iii < ma) ? shift_storage.getAfternoonShift(iii-1).length() : 0.0);
            }
        }
        
        // Sunday shifts are at the end
        for (int iii = 1; iii <= ms; iii++) {
            GLPK.intArray_setitem(ia, ++el, r);
            GLPK.intArray_setitem(ja, el, shift + d*m + iii);
            GLPK.doubleArray_setitem(va, el, 
                    (iii < ms) ? shift_storage.getSundayShift(iii-1).length() : 0.0);
        }
        
        GLPK.glp_set_row_bnds(problem, r, GLPKConstants.GLP_FX, 
                storage.getEmployee(i).hours, storage.getEmployee(i).hours);
        r++;
    }
}
开发者ID:robol，项目名称:shift-scheduler，代码行数:34，代码来源:TimetableSolver.java

示例12: requireMinimumWorkingPeople

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
private void requireMinimumWorkingPeople() {
    int minimum_morning_people[] =  settings.minimum_working_people_morning;
    int minimum_afternoon_people[] = settings.minimum_working_people_afternoon;
    int minimum_sunday_people = (ms > 1) ? settings.minimum_working_people_sunday : 0;
    
    GLPK.glp_add_rows(problem, 2*d + 1);
    for (int i = 1 ; i <= d; i++) {
        // Counting shifts in the morning
        for (int ii = 1; ii <= n; ii++) {
            GLPK.intArray_setitem(ia, ++el, r);
            GLPK.intArray_setitem(ja, el, (ii-1)*(d*m+ms) + (i-1)*m + mm);
            GLPK.doubleArray_setitem(va, el, 1.0);
        }
        GLPK.glp_set_row_bnds(problem, r, GLPKConstants.GLP_UP, 0.0, n-minimum_morning_people[i-1]);
        r++;
        
        // Counting shifts in the afternoon
        for (int ii = 1; ii <= n; ii++) {
            GLPK.intArray_setitem(ia, ++el, r);
            GLPK.intArray_setitem(ja, el, (ii-1)*(d*m+ms) + (i-1)*m + m);
            GLPK.doubleArray_setitem(va, el, 1.0);
        }
        GLPK.glp_set_row_bnds(problem, r, GLPKConstants.GLP_UP, 0.0, n-minimum_afternoon_people[i-1]);
        r++;
    }
    
    // Counting shifts on Sundays
    for (int ii = 1; ii <= n; ii++) {
        GLPK.intArray_setitem(ia, ++el, r);
        GLPK.intArray_setitem(ja, el, (ii-1)*(d*m+ms) + d*m+ms);
        GLPK.doubleArray_setitem(va, el, 1.0);
    }
    GLPK.glp_set_row_bnds(problem, r, GLPKConstants.GLP_UP, 0.0, n-minimum_sunday_people);
    r++;
}
开发者ID:robol，项目名称:shift-scheduler，代码行数:36，代码来源:TimetableSolver.java

示例13: requireCoherentFreeDays

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
private void requireCoherentFreeDays() {
    for (int i = 0; i < n; i++) {
        Employee e = storage.getEmployee(i);
        int shift = i*(d*m+ms);
        
        for (Integer free_morning : e.free_mornings) {
            GLPK.glp_add_rows(problem, 1);
            for (int ii = 1; ii < mm; ii++) {
                GLPK.intArray_setitem(ia, ++el, r);
                GLPK.intArray_setitem(ja, el, shift + ii + free_morning * m);
                GLPK.doubleArray_setitem(va, el, 1.0);
            }
            GLPK.glp_set_row_bnds(problem, r, GLPKConstants.GLP_FX, 0.0, 0.0);
            r++;
        }
        
        for (Integer free_afternoon : e.free_afternoons) {
            GLPK.glp_add_rows(problem, 1);
            for (int ii = 1; ii < ma; ii++) {
                GLPK.intArray_setitem(ia, ++el, r);
                GLPK.intArray_setitem(ja, el, shift + ii + mm + free_afternoon * m);
                GLPK.doubleArray_setitem(va, el, 1.0);
            }
            GLPK.glp_set_row_bnds(problem, r, GLPKConstants.GLP_FX, 0.0, 0.0);
            r++;
        }
        
        if (e.free_sunday) {
            GLPK.glp_add_rows(problem, 1);
            for (int ii = 1; ii < ms; ii++) {
                GLPK.intArray_setitem(ia, ++el, r);
                GLPK.intArray_setitem(ja, el, shift + ii + d*m);
                GLPK.doubleArray_setitem(va, el, 1.0);
            }
            GLPK.glp_set_row_bnds(problem, r, GLPKConstants.GLP_UP, 0.0, 0.0);
            r++;
        }
    }        
}
开发者ID:robol，项目名称:shift-scheduler，代码行数:40，代码来源:TimetableSolver.java

示例14: addRow

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
/**
 * @param coeffs
 * @param rhs
 * @param type
 * @throws CPException
 */
@Override
public int addRow(double[] row, double rhs, LPSolver.ROW_TYPE type, String name) throws CPException {
	
	int index = GLPK.glp_add_rows( m_model, 1 );
	
	GLPKUtils.setRowCoefficients( m_model, index, row, rhs, type );
	
	if (name != null) {
		
		GLPK.glp_set_row_name( m_model, index, name );
	}

	m_simplexCtrl.setPresolve( GLPKConstants.GLP_ON );
	
	return index;
}
开发者ID:klinovp，项目名称:pronto，代码行数:23，代码来源:GLPKLPSolverImpl.java

示例15: getDuals

import org.gnu.glpk.GLPKConstants; //导入依赖的package包/类
/**
 * @return
 */
@Override
public double[] getDuals() {
	
	double[] duals = null;
	
	if( GLPK.glp_get_prim_stat( m_model ) == GLPKConstants.GLP_FEAS ) {

		duals = new double[GLPK.glp_get_num_rows( m_model )];

		for( int i = 1; i <= duals.length; i++ ) {

			duals[i - 1] = NumberUtils.round( GLPK.glp_get_row_dual( m_model, i ) );
		}
	} 		
	
	return duals;
}
开发者ID:klinovp，项目名称:pronto，代码行数:21，代码来源:GLPKLPSolverImpl.java


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