function(self, other){
    if(isinstance(other, _b_.int)){
        if(typeof other == "boolean"){
            return other ? self - 1 : self
        }else if(other.__class__ === $B.long_int){
            return float.$factory(self - parseInt(other.value))
        }else{return float.$factory(self - other)}
    }
    if(isinstance(other, float)){return float.$factory(self - other)}
    if(isinstance(other, _b_.bool)){
        var bool_value = 0
        if(other.valueOf()){bool_value = 1}
        return float.$factory(self - bool_value)
    }
    if(isinstance(other, _b_.complex)){
        return $B.make_complex(self - other.$real, -other.$imag)
    }
    if(hasattr(other, "__rsub__")){return getattr(other, "__rsub__")(self)}
    $err("-", other)
}
function(self, other){
    if(isinstance(other, _b_.int)){
        if(typeof other == "boolean"){
            return other ? self - 1 : self
        }else if(other.__class__ === $B.long_int){
            return float.$factory(self - parseInt(other.value))
        }else{return float.$factory(self - other)}
    }
    if(isinstance(other, float)){return float.$factory(self - other)}
    if(isinstance(other, _b_.bool)){
        var bool_value = 0
        if(other.valueOf()){bool_value = 1}
        return float.$factory(self - bool_value)
    }
    if(isinstance(other, _b_.complex)){
        return $B.make_complex(self - other.$real, -other.$imag)
    }
    if(hasattr(other, "__rsub__")){return getattr(other, "__rsub__")(self)}
    $err("-", other)
}
function ( self , other ) { if ( isinstance ( other , _b_ . int ) ) { if ( typeof other == "boolean" ) { return other ? self - 1 : self } else if ( other . __class__ === $B . long_int ) { return float . $factory ( self - parseInt ( other . value ) ) } else { return float . $factory ( self - other ) } } if ( isinstance ( other , float ) ) { return float . $factory ( self - other ) } if ( isinstance ( other , _b_ . bool ) ) { var bool_value = 0 if ( other . valueOf ( ) ) { bool_value = 1 } return float . $factory ( self - bool_value ) } if ( isinstance ( other , _b_ . complex ) ) { return $B . make_complex ( self - other . $real , - other . $imag ) } if ( hasattr ( other , "__rsub__" ) ) { return getattr ( other , "__rsub__" ) ( self ) } $err ( "-" , other ) }
operations
operations