VP_EXCEPTION_OVERFLOW  614 ext/bigdecimal/bigdecimal.c        VpException(VP_EXCEPTION_OVERFLOW,"BigDecimal to Float conversion",0);
VP_EXCEPTION_OVERFLOW 1909 ext/bigdecimal/bigdecimal.c     rb_define_const(rb_cBigDecimal, "EXCEPTION_OVERFLOW",INT2FIX(VP_EXCEPTION_OVERFLOW));
VP_EXCEPTION_OVERFLOW 2534 ext/bigdecimal/bigdecimal.c     return VpException(VP_EXCEPTION_OVERFLOW,"Exponent overflow",0);