Madagascar Programming Reference Manual

Definition

void sf_eno2_apply (sf_eno2 pnt, 
                    int i, int j     /* grid location */, 
                    float x, float y /* offset from grid */, 
                    float* f         /* output data value */, 
                    float* f1        /* output derivative [2] */,
                    der what         /* what to compute [FUNC,DER,BOTH] */)
/*< Apply interpolation. >*/
{
   ...
}