import org.apache.commons.math3.util.IterationManager; //导入依赖的package包/类
/**
 * Creates a new instance of this class, with <a href="#stopcrit">default
 * stopping criterion</a> and custom iteration manager.
 *
 * @param manager the custom iteration manager
 * @param delta the &delta; parameter for the default stopping criterion
 * @param check {@code true} if positive definiteness of both matrix and
 * preconditioner should be checked
 * @throws NullArgumentException if {@code manager} is {@code null}
 */
public ConjugateGradient(final IterationManager manager,
                         final double delta, final boolean check)
    throws NullArgumentException {
    super(manager);
    this.delta = delta;
    this.check = check;
}
 

import org.apache.commons.math3.util.IterationManager; //导入依赖的package包/类
/**
 * Creates a new instance of this class, with <a href="#stopcrit">default
 * stopping criterion</a> and custom iteration manager. Note that setting
 * {@code check} to {@code true} entails an extra matrix-vector product in
 * the initial phase.
 *
 * @param manager the custom iteration manager
 * @param delta the &delta; parameter for the default stopping criterion
 * @param check {@code true} if self-adjointedness of both matrix and
 * preconditioner should be checked
 */
public SymmLQ(final IterationManager manager, final double delta,
              final boolean check) {
    super(manager);
    this.delta = delta;
    this.check = check;
}
 

import org.apache.commons.math3.util.IterationManager; //导入依赖的package包/类
/**
 * Creates a new instance of this class, with <a href="#stopcrit">default
 * stopping criterion</a> and custom iteration manager.
 *
 * @param manager the custom iteration manager
 * @param delta the &delta; parameter for the default stopping criterion
 * @param check {@code true} if positive definiteness of both matrix and
 * preconditioner should be checked
 */
public ConjugateGradient(final IterationManager manager,
                         final double delta, final boolean check) {
    super(manager);
    this.delta = delta;
    this.check = check;
}
 

import org.apache.commons.math3.util.IterationManager; //导入依赖的package包/类
/**
 * Creates a new instance of this class, with default iteration manager.
 *
 * @param maxIterations the maximum number of iterations
 */
public IterativeLinearSolver(final int maxIterations) {
    this.manager = new IterationManager(maxIterations);
}
 

import org.apache.commons.math3.util.IterationManager; //导入依赖的package包/类
/**
 * Returns the iteration manager attached to this solver.
 *
 * @return the manager
 */
public IterationManager getIterationManager() {
    return manager;
}
 

import org.apache.commons.math3.util.IterationManager; //导入依赖的package包/类
/**
 * Creates a new instance of this class, with custom iteration manager.
 *
 * @param manager the custom iteration manager
 * @throws NullArgumentException if {@code manager} is {@code null}
 */
public PreconditionedIterativeLinearSolver(final IterationManager manager)
    throws NullArgumentException {
    super(manager);
}