* Version 1.5.

[ginac.git] / ginac / symbol.cpp

diff --git a/ginac/symbol.cpp b/ginac/symbol.cpp
index a84ae4a42623bf915af1ad037abd99b1335c3803..b68fed87fe5f7a8d36485859485d863f843fe2c7 100644 (file)
--- a/ginac/symbol.cpp
+++ b/ginac/symbol.cpp
@@ -207,21 +207,25 @@ void symbol::do_print_python_repr(const print_python_repr & c, unsigned level) c
 
 bool symbol::info(unsigned inf) const
 {
-       if (inf == info_flags::symbol)
-               return true;
-       if (inf == info_flags::polynomial ||
-           inf == info_flags::integer_polynomial ||
-           inf == info_flags::cinteger_polynomial ||
-           inf == info_flags::rational_polynomial ||
-           inf == info_flags::crational_polynomial ||
-           inf == info_flags::rational_function)
-               return true;
-       if (inf == info_flags::real)
-               return domain==domain::real || domain==domain::positive;
-       if (inf == info_flags::positive || inf == info_flags::nonnegative)
-               return domain == domain::positive;
-       else
-               return inherited::info(inf);
+       switch (inf) {
+               case info_flags::symbol:
+               case info_flags::polynomial:
+               case info_flags::integer_polynomial: 
+               case info_flags::cinteger_polynomial: 
+               case info_flags::rational_polynomial: 
+               case info_flags::crational_polynomial: 
+               case info_flags::rational_function: 
+               case info_flags::expanded:
+                       return true;
+               case info_flags::real:
+                       return domain == domain::real || domain == domain::positive;
+               case info_flags::positive:
+               case info_flags::nonnegative:
+                       return domain == domain::positive;
+               case info_flags::has_indices:
+                       return false;
+       }
+       return inherited::info(inf);
 }
 
 ex symbol::eval(int level) const