JAM_DOUBLE(JSContext *cx, const int64 &v, jsdouble *dbl)
JAM_DOUBLE(JSContext *cx, double v, jsdouble *dbl)
JAM_DOUBLE(JSContext *cx, const int64 &v, jsdouble *dbl){   jsdouble d;   LL_L2D(d, v);   dbl = JS_NewDouble(cx, d);   return DOUBLE_TO_JSVAL(dbl);}