Madagascar Programming Reference Manual

Definition

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