Add mul::info() and add::info() support for numeric info_flags.
[ginac.git] / ginac / mul.cpp
index 35ba88e4431dbf90ee7475117ed3623c2c7d24e0..bc38159d5d3713288fb6b6db1d66220b16270bc6 100644 (file)
@@ -278,6 +278,16 @@ bool mul::info(unsigned inf) const
                case info_flags::integer_polynomial:
                case info_flags::cinteger_polynomial:
                case info_flags::rational_polynomial:
+               case info_flags::real:
+               case info_flags::rational:
+               case info_flags::integer:
+               case info_flags::crational:
+               case info_flags::cinteger:
+               case info_flags::positive:
+               case info_flags::nonnegative:
+               case info_flags::posint:
+               case info_flags::nonnegint:
+               case info_flags::even:
                case info_flags::crational_polynomial:
                case info_flags::rational_function: {
                        epvector::const_iterator i = seq.begin(), end = seq.end();
@@ -286,6 +296,8 @@ bool mul::info(unsigned inf) const
                                        return false;
                                ++i;
                        }
+                       if (overall_coeff.is_equal(*_num1_p) && inf == info_flags::even)
+                               return true;
                        return overall_coeff.info(inf);
                }
                case info_flags::algebraic: {