-basic * add::duplicate() const
-{
- debugmsg("add duplicate",LOGLEVEL_DUPLICATE);
- return new add(*this);
-}
-
-void add::print(ostream & os, unsigned upper_precedence) const
-{
- debugmsg("add print",LOGLEVEL_PRINT);
- if (precedence<=upper_precedence) os << "(";
- numeric coeff;
- bool first = true;
- // first print the overall numeric coefficient, if present:
- if (!overall_coeff.is_zero()) {
- os << overall_coeff;
- first = false;
- }
- // then proceed with the remaining factors:
- for (epvector::const_iterator cit=seq.begin(); cit!=seq.end(); ++cit) {
- coeff = ex_to_numeric(cit->coeff);
- if (!first) {
- if (coeff.csgn()==-1) os << '-'; else os << '+';
- } else {
- if (coeff.csgn()==-1) os << '-';
- first = false;
- }
- if (!coeff.is_equal(_num1()) &&
- !coeff.is_equal(_num_1())) {
- if (coeff.is_rational()) {
- if (coeff.is_negative())
- os << -coeff;
- else
- os << coeff;
- } else {
- if (coeff.csgn()==-1)
- (-coeff).print(os, precedence);
- else
- coeff.print(os, precedence);
- }
- os << '*';
- }
- os << cit->rest;
- }
- if (precedence<=upper_precedence) os << ")";
-}
-
-void add::printraw(ostream & os) const
-{
- debugmsg("add printraw",LOGLEVEL_PRINT);
-
- os << "+(";
- for (epvector::const_iterator it=seq.begin(); it!=seq.end(); ++it) {
- os << "(";
- (*it).rest.bp->printraw(os);
- os << ",";
- (*it).coeff.bp->printraw(os);
- os << "),";
- }
- os << ",hash=" << hashvalue << ",flags=" << flags;
- os << ")";
-}
-
-void add::printcsrc(ostream & os, unsigned type, unsigned upper_precedence) const
-{
- debugmsg("add print csrc", LOGLEVEL_PRINT);
- if (precedence <= upper_precedence)
- os << "(";
-
- // Print arguments, separated by "+"
- epvector::const_iterator it = seq.begin();
- epvector::const_iterator itend = seq.end();
- while (it != itend) {
-
- // If the coefficient is -1, it is replaced by a single minus sign
- if (it->coeff.compare(_num1()) == 0) {
- it->rest.bp->printcsrc(os, type, precedence);
- } else if (it->coeff.compare(_num_1()) == 0) {
- os << "-";
- it->rest.bp->printcsrc(os, type, precedence);
- } else if (ex_to_numeric(it->coeff).numer().compare(_num1()) == 0) {
- it->rest.bp->printcsrc(os, type, precedence);
- os << "/";
- ex_to_numeric(it->coeff).denom().printcsrc(os, type, precedence);
- } else if (ex_to_numeric(it->coeff).numer().compare(_num_1()) == 0) {
- os << "-";
- it->rest.bp->printcsrc(os, type, precedence);
- os << "/";
- ex_to_numeric(it->coeff).denom().printcsrc(os, type, precedence);
- } else {
- it->coeff.bp->printcsrc(os, type, precedence);
- os << "*";
- it->rest.bp->printcsrc(os, type, precedence);
- }
-
- // Separator is "+", except if the following expression would have a leading minus sign
- it++;
- if (it != itend && !(it->coeff.compare(_num0()) < 0 || (it->coeff.compare(_num1()) == 0 && is_ex_exactly_of_type(it->rest, numeric) && it->rest.compare(_num0()) < 0)))
- os << "+";
- }
-
- if (!overall_coeff.is_equal(_ex0())) {
- if (overall_coeff.info(info_flags::positive)) os << '+';
- overall_coeff.bp->printcsrc(os,type,precedence);
- }
-
- if (precedence <= upper_precedence)
- os << ")";
+void add::print_add(const print_context & c, const char *openbrace, const char *closebrace, const char *mul_sym, unsigned level) const
+{
+ if (precedence() <= level)
+ c.s << openbrace << '(';
+
+ numeric coeff;
+ bool first = true;
+
+ // First print the overall numeric coefficient, if present
+ if (!overall_coeff.is_zero()) {
+ overall_coeff.print(c, 0);
+ first = false;
+ }
+
+ // Then proceed with the remaining factors
+ epvector::const_iterator it = seq.begin(), itend = seq.end();
+ while (it != itend) {
+ coeff = ex_to<numeric>(it->coeff);
+ if (!first) {
+ if (coeff.csgn() == -1) c.s << '-'; else c.s << '+';
+ } else {
+ if (coeff.csgn() == -1) c.s << '-';
+ first = false;
+ }
+ if (!coeff.is_equal(_num1) &&
+ !coeff.is_equal(_num_1)) {
+ if (coeff.is_rational()) {
+ if (coeff.is_negative())
+ (-coeff).print(c);
+ else
+ coeff.print(c);
+ } else {
+ if (coeff.csgn() == -1)
+ (-coeff).print(c, precedence());
+ else
+ coeff.print(c, precedence());
+ }
+ c.s << mul_sym;
+ }
+ it->rest.print(c, precedence());
+ ++it;
+ }
+
+ if (precedence() <= level)
+ c.s << ')' << closebrace;
+}
+
+void add::do_print(const print_context & c, unsigned level) const
+{
+ print_add(c, "", "", "*", level);
+}
+
+void add::do_print_latex(const print_latex & c, unsigned level) const
+{
+ print_add(c, "{", "}", " ", level);
+}
+
+void add::do_print_csrc(const print_csrc & c, unsigned level) const
+{
+ if (precedence() <= level)
+ c.s << "(";
+
+ // Print arguments, separated by "+"
+ epvector::const_iterator it = seq.begin(), itend = seq.end();
+ while (it != itend) {
+
+ // If the coefficient is -1, it is replaced by a single minus sign
+ if (it->coeff.is_equal(_ex1)) {
+ it->rest.print(c, precedence());
+ } else if (it->coeff.is_equal(_ex_1)) {
+ c.s << "-";
+ it->rest.print(c, precedence());
+ } else if (ex_to<numeric>(it->coeff).numer().is_equal(_num1)) {
+ it->rest.print(c, precedence());
+ c.s << "/";
+ ex_to<numeric>(it->coeff).denom().print(c, precedence());
+ } else if (ex_to<numeric>(it->coeff).numer().is_equal(_num_1)) {
+ c.s << "-";
+ it->rest.print(c, precedence());
+ c.s << "/";
+ ex_to<numeric>(it->coeff).denom().print(c, precedence());
+ } else {
+ it->coeff.print(c, precedence());
+ c.s << "*";
+ it->rest.print(c, precedence());
+ }
+
+ // 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) || !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) || !overall_coeff.info(info_flags::real)) // sign inside ctor argument
+ c.s << '+';
+ overall_coeff.print(c, precedence());
+ }
+
+ if (precedence() <= level)
+ c.s << ")";
+}
+
+void add::do_print_python_repr(const print_python_repr & c, unsigned level) const
+{
+ c.s << class_name() << '(';
+ op(0).print(c);
+ for (size_t i=1; i<nops(); ++i) {
+ c.s << ',';
+ op(i).print(c);
+ }
+ c.s << ')';