137526/jsmath.i.2

   1           typedef struct JSFunctionSpec JSFunctionSpec;
   2           typedef struct JSObject JSObject;
   3           typedef int (* JSNative)(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval);
   4           struct JSConstDoubleSpec {
   5         };
   6           struct JSFunctionSpec {
   7         const char *name;
   8         JSNative call;
   9         };
  10           extern const char js_toSource_str[];
  11           static int math_abs(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval) {
  12         }
  13           static int math_round(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval) {
  14         double x;
  15         return js_NewNumberValue(cx,
  16 copysign(floor(x + 0.5), x),
  17 rval);
  18         }
  19           static int math_toSource(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval) {
  20         }
  21           static JSFunctionSpec math_static_methods[] = {
  22         {
  23     js_toSource_str, math_toSource, 0, 0, 0}
  24        , {
  25     "round", math_round, 1, 0, 0}
  26         };
  27           JSObject * js_InitMathClass(void *cx, JSObject *obj) {
  28         JSObject *Math;
  29         if (!JS_DefineFunctions(cx, Math, math_static_methods)) return ((void *)0);
  30         }