Madagascar Programming Reference Manual

Definition

void sf_ccdstep(bool forget          /* restart flag */, 
                int nx               /* model size */, 
                int ny               /* data size */, 
                sf_complex* x        /* current model [nx] */, 
                const sf_complex* g  /* gradient [nx] */, 
                sf_complex* rr       /* data residual [ny] */, 
                const sf_complex* gg /* conjugate gradient [ny] */) 
/*< Step of conjugate-direction iteration. 
  The data residual is rr = A x - dat>*/
{
   ...
}