Method setMass

DEVELOPER/core/Node.cpp:1315–1338

int
Node::setMass(const Matrix &newMass)
{
    // check right size
    if (newMass.noRows() != numberDOF || newMass.noCols() != numberDOF) {
	opserr << "Node::setMass - incompatable matrices\n";
	return -1;
    }	

    // create a matrix if no mass yet set
    if (mass == 0) {
	mass = new Matrix(newMass);
	if (mass == 0 || mass->noRows() != numberDOF) {
	    opserr << "FATAL Node::setMass - ran out of memory\n";
	    return -1;
	}
	return 0;
    }

    // assign if mass has already been created
    (*mass) = newMass;
    
    return 0;
}