Method asLogical

src/ifcparse/IfcParse.cpp:418–429

}

boost::logic::tribool TokenFunc::asLogical(const Token& token) {
    if (token.type != Token_BOOL) {
        throw IfcInvalidTokenException(token.startPos, toString(token), "boolean");
    }
    if (token.value_int == 0) {
        return false;
    }
    if (token.value_int == 1) {
        return true;
    }
    return boost::logic::indeterminate;
}

double TokenFunc::asFloat(const Token& token) {
#ifdef PERMISSIVE_FLOAT