Madagascar Programming Reference Manual

Definition

void sf_pweno_apply (sf_pweno ent, 
                int i     /* grid location */, 
                float x   /* offset from grid */, 
                float *f  /* output data value */, 
                float *f1 /* output derivative */, 
                derr what /* flag of what to compute */) 
/*< Apply interpolation >*/
{
   ...
}