/*\file SystemMatrices.c
 *\brief: build system matrices (stiffness matrix, loads vector)
 */

#include "./SystemMatrices.h"

void mexFunction( int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[]){

	/*input datasets: */
	Elements   *elements   = NULL;
	Nodes      *nodes      = NULL;
	Vertices   *vertices   = NULL;
	Loads      *loads      = NULL;
	Materials  *materials  = NULL;
	Parameters *parameters = NULL;
	bool        kflag,pflag,penalty_kflag,penalty_pflag;
	
	/* output datasets: */
	Mat    Kgg  = NULL;
	Vec    pg   = NULL;
	double kmax;

	/*Boot module: */
	MODULEBOOT();

	/*checks on arguments on the matlab side: */
	if((nlhs!=NLHS) || (nrhs!=6 && nrhs!=10)){
		SystemMatricesUsage();
		ISSMERROR(" usage. See above");
	}

	/*Input datasets: */
	FetchData((DataSet**)&elements,ELEMENTS);
	FetchData((DataSet**)&nodes,NODES);
	FetchData((DataSet**)&vertices,VERTICES);
	FetchData((DataSet**)&loads,LOADS);
	FetchData((DataSet**)&materials,MATERIALS);
	FetchParams(&parameters,PARAMETERS);

	/*configure: */
	elements->  Configure(elements,loads, nodes,vertices, materials,parameters);
	nodes->     Configure(elements,loads, nodes,vertices, materials,parameters);
	loads->     Configure(elements, loads, nodes,vertices, materials,parameters);
	materials-> Configure(elements, loads, nodes,vertices, materials,parameters);

	/*!Generate internal degree of freedom numbers: */
	if(nrhs==10){
		FetchData(&kflag,KFLAG);
		FetchData(&pflag,PFLAG);
		FetchData(&penalty_kflag,PENALTYKFLAG);
		FetchData(&penalty_pflag,PENALTYPFLAG);
		SystemMatricesx(&Kgg,&pg,&kmax,elements,nodes,vertices,loads,materials,parameters,kflag,pflag,penalty_kflag,penalty_pflag);
	}
	else
	 SystemMatricesx(&Kgg,&pg,&kmax,elements,nodes,vertices,loads,materials,parameters);

	/*write output datasets: */
	WriteData(KGG,Kgg);
	WriteData(PG,pg);
	WriteData(KMAX,kmax);
	
	/*Free ressources: */
	delete elements;
	delete nodes;
	delete vertices;
	delete loads;
	delete materials;
	delete parameters;
	MatFree(&Kgg);
	VecFree(&pg);

	/*end module: */
	MODULEEND();
}

void SystemMatricesUsage(void)
{
	_printf_("\n");
	_printf_("   usage: [Kgg,pg,kmax] = %s(elements,nodes,vertices,loads,materials,parameters);\n",__FUNCT__);
	_printf_("   usage: [Kgg,pg,kmax] = %s(elements,nodes,vertices,loads,materials,parameters,kflag,pflag,penalty_kflag,penalty_pflag);\n",__FUNCT__);
	_printf_("\n");
}