- We now write f(x).series(x==3,5) instead of f(x).series(x,3,5) and

[ginac.git] / ginac / basic.cpp

diff --git a/ginac/basic.cpp b/ginac/basic.cpp
index 5c3c147faf57d039fe57e94c9be0e2f92112d7bb..5da77cc6e95b3ef523cb69621ee80a8296740e7a 100644 (file)
--- a/ginac/basic.cpp
+++ b/ginac/basic.cpp
@@ -343,11 +343,16 @@ ex basic::derivative(const symbol & s) const
     throw(std::logic_error("differentiation not supported by this type"));
 }
 
+/** Returns order relation between two objects of same type.  Needs to be
+ *  implemented by each class. */
 int basic::compare_same_type(const basic & other) const
 {
     return compare_pointers(this, &other);
 }
 
+/** Returns true if two objects of same type are equal.  Normally needs
+ *  not be reimplemented as long as it wasn't overwritten by some parent
+ *  class, since it just calls complare_same_type(). */
 bool basic::is_equal_same_type(const basic & other) const
 {
     return compare_same_type(other)==0;