Function OPS_basicStiffness

SRC/interpreter/OpenSeesOutputCommands.cpp:3189–3277

}

int OPS_basicStiffness()
{
    // make sure at least one other argument to contain type of system
    if (OPS_GetNumRemainingInputArgs() < 1) {
	opserr << "WARNING want - basicStiffness eleTag? \n";
	return -1;
    }

    //opserr << "basicStiffness: ";
    //for (int i = 0; i < argc; i++)
    //  opserr << argv[i] << ' ' ;
    //opserr << endln;

    int numdata = 1;
    int tag;

    if (OPS_GetIntInput(&numdata, &tag) < 0) {
	opserr << "WARNING basicStiffness eleTag? - could not read eleTag? \n";
	return -1;
    }

    Domain* theDomain = OPS_GetDomain();
    if (theDomain == 0) return -1;

    Element *theElement = theDomain->getElement(tag);
    if (theElement == 0) {
	opserr << "WARNING basicStiffness element with tag " << tag << " not found in domain \n";
	return -1;
    }

    int argcc = 1;
    char a[80] = "basicStiffness";
    const char *argvv[1];
    argvv[0] = a;

    DummyStream dummy;

    Response *theResponse = theElement->setResponse(argvv, argcc, dummy);
    if (theResponse == 0) {
	return 0;
    }

    theResponse->getResponse();
    Information &info = theResponse->getInformation();

    // Matrix
    if (info.theMatrix != 0) {
      const Matrix &theMatrix = *(info.theMatrix);
      int nbf = theMatrix.noCols();

      std::vector<double> values;
      int size = nbf*nbf;
      if (size == 0) {
        if (OPS_SetDoubleOutput(&size, 0, false) < 0) {
	  opserr << "WARNING failed to set output\n";
	  delete theResponse;
	  return -1;
        }