#include "lib.h" int _cint(double f) { int r; if (f < -32768 || f > 32767) error(4); if (f < 0) r = f - 0.5; else r = f + 0.5; return (r); } double _trunc(double f) { long d; d = f; f = d; return (f); } double _fcint(double f) { long r; if (f < 0) { r = -f; r = -r - 1; } else r = f; f = r; return (f); } int _fix(double f) { int r; if (f < -32768.0 || f > 32767.0) error(4); r = _sgn(f) * _fcint((f > 0.0 ? f : -f)); return (r); }