-void set_frobnify (void*, size_t);
-int get_lower_bound (Array<Real> const& positions, Real x);
-Slice get_bounds_slice (Array<Real> const& positions, Real x);
-Interval get_bounds_iv (Array<Real> const& positions, Real x);
-Interval quantise_iv (Array<Real> const& positions, Real period, Real x);
+Real peak_around (Real epsilon, Real threshold, Real x);
+Real convex_amplifier (Real standard_x, Real increase_factor, Real x);
+string camel_case_to_lisp_identifier (string in);