Madagascar Programming Reference Manual

Definition

void sf_conjprec(sf_operator oper  /* linear operator */, 
                 sf_operator2 prec /* preconditioning */, 
                 float* p          /* preconditioned */, 
                 float* x          /* model */, 
                 const float* dat  /* data */, 
                 int niter         /* number of iterations */)
/*< Conjugate gradient solver with preconditioning >*/
{
   ...
}