// Separator is "+", except if the following expression would have a leading minus sign or the sign is sitting in parenthesis (as in a ctor)
++it;
if (it != itend
- && (is_a<print_csrc_cl_N>(c) // sign inside ctor arguments
+ && (is_a<print_csrc_cl_N>(c) || !it->coeff.info(info_flags::real) // sign inside ctor arguments
|| !(it->coeff.info(info_flags::negative) || (it->coeff.is_equal(_num1) && is_exactly_a<numeric>(it->rest) && it->rest.info(info_flags::negative)))))
c.s << "+";
}
if (!overall_coeff.is_zero()) {
if (overall_coeff.info(info_flags::positive)
- || is_a<print_csrc_cl_N>(c)) // sign inside ctor argument
+ || is_a<print_csrc_cl_N>(c) || !overall_coeff.info(info_flags::real)) // sign inside ctor argument
c.s << '+';
overall_coeff.print(c, precedence());
}