typedef struct JSFunctionSpec JSFunctionSpec;
          typedef struct JSObject JSObject;
          typedef int (* JSNative)(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval);
          struct JSConstDoubleSpec {
        };
          struct JSFunctionSpec {
        const char *name;
        JSNative call;
        };
          extern const char js_toSource_str[];
          static int math_abs(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval) {
        }
          static int math_round(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval) {
        double x;
        return js_NewNumberValue(cx, 
copysign(floor(x + 0.5), x),
rval);
        }
          static int math_toSource(void *cx, JSObject *obj, unsigned int argc, long *argv, long *rval) {
        }
          static JSFunctionSpec math_static_methods[] = {
        {
    js_toSource_str, math_toSource, 0, 0, 0}
       , {
    "round", math_round, 1, 0, 0}
        };
          JSObject * js_InitMathClass(void *cx, JSObject *obj) {
        JSObject *Math;
        if (!JS_DefineFunctions(cx, Math, math_static_methods)) return ((void *)0);
        }