137526/jsmath.i.3

   1           typedef struct JSObject JSObject;
   2           typedef int (* JSNative)(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval);
   3           extern const char js_toSource_str[];
   4            int math_abs(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval) {
   5         }
   6            int math_round(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval) {
   7         double x;
   8         return js_NewNumberValue(cx,
   9 copysign(floor(x + 0.5), x),
  10 rval);
  11         }
  12            int math_toSource(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval) {
  13         }
  14 void *math__methods[] = {
  15         {
  16     js_toSource_str, math_toSource, 0, 0, 0}
  17        , {
  18     "round", math_round, 1, 0, 0}
  19         };
  20           JSObject * js_InitMathClass(void *cx, JSObject *obj) {
  21         JSObject *Math;
  22         if (!JS_DefineFunctions(cx, Math, math__methods)) return ((void *)0);
  23         }