{
#endif /* __cplusplus */
-extern int mma_verbose;
+extern unsigned mma_verbose;
-nlopt_result mma_minimize(int n, nlopt_func f, void *f_data,
- int m, nlopt_constraint *fc,
+nlopt_result mma_minimize(unsigned n, nlopt_func f, void *f_data,
+ unsigned m, nlopt_constraint *fc,
const double *lb, const double *ub, /* bounds */
double *x, /* in: initial guess, out: minimizer */
double *minf,