C++ (Cpp) DvechEigVecVec 예제들

예제 #1

파일: dlpack.c 프로젝트: BrechtBa/casadi

static int DvechmatVecVec(void* AA, double x[], int n, double *v){
  dvechmat* A=(dvechmat*)AA;
  int i,j,k=0;
  double dd=0,*val=A->AA->val;
  *v=0.0;
  if (A->Eig.neigs<n/5){
    i=DvechEigVecVec(AA,x,n,&dd);
    *v=dd*A->alpha;
  } else {
    for (i=0; i<n; i++){
      for (j=0;j<i;j++){
	dd+=2*x[i]*x[j]*val[k];
	k++;
      }
      dd+=x[i]*x[i]*val[k];
      k++;
    }
    *v=dd*A->alpha;
  }
  return 0;
}

예제 #2

파일: dlpack.c 프로젝트: weiwangudel/DSDP

static int DvechmatVecVec(void* AA, double x[], int n, double *v){
  //printf("File %s line %d DvechmatVecVec with address %d\n",__FILE__, __LINE__,&DvechmatVecVec);
  dvechmat* A=(dvechmat*)AA;
  int i,j,k=0;
  double dd=0,*val=A->AA->val;
  *v=0.0;
  if (A->Eig.neigs<n/5){
    i=DvechEigVecVec(AA,x,n,&dd);
    *v=dd*A->alpha;
  } else {
    for (i=0; i<n; i++){
      for (j=0;j<i;j++){
	dd+=2*x[i]*x[j]*val[k];
	k++;
      }
      dd+=x[i]*x[i]*val[k];
      k++;
    }
    *v=dd*A->alpha;
  }
  return 0;
}