- replaced the Derivative() function by a more resonable fderivative class;

[ginac.git] / ginac / tensor.h

diff --git a/ginac/tensor.h b/ginac/tensor.h
index 147ab44d9bf7f414d766c598d0f81ba95c5fed83..d868355b16b71ee07e9102c1b1995dd5e7330792 100644 (file)
--- a/ginac/tensor.h
+++ b/ginac/tensor.h
@@ -39,7 +39,7 @@ class tensor : public basic
 protected:
        tensor(unsigned ti);
 
-       // functions overriding virtual functions from bases classes
+       // functions overriding virtual functions from base classes
 protected:
        unsigned return_type(void) const { return return_types::noncommutative_composite; }
 };
@@ -51,7 +51,7 @@ class tensdelta : public tensor
 {
        GINAC_DECLARE_REGISTERED_CLASS(tensdelta, tensor)
 
-       // functions overriding virtual functions from bases classes
+       // functions overriding virtual functions from base classes
 public:
        void print(const print_context & c, unsigned level = 0) const;
        ex eval_indexed(const basic & i) const;
@@ -66,7 +66,7 @@ class tensmetric : public tensor
 {
        GINAC_DECLARE_REGISTERED_CLASS(tensmetric, tensor)
 
-       // functions overriding virtual functions from bases classes
+       // functions overriding virtual functions from base classes
 public:
        void print(const print_context & c, unsigned level = 0) const;
        ex eval_indexed(const basic & i) const;
@@ -86,7 +86,7 @@ public:
        /** Construct Lorentz metric tensor with given signature. */
        minkmetric(bool pos_sig);
 
-       // functions overriding virtual functions from bases classes
+       // functions overriding virtual functions from base classes
 public:
        void print(const print_context & c, unsigned level = 0) const;
        ex eval_indexed(const basic & i) const;
@@ -105,7 +105,7 @@ class spinmetric : public tensmetric
 {
        GINAC_DECLARE_REGISTERED_CLASS(spinmetric, tensmetric)
 
-       // functions overriding virtual functions from bases classes
+       // functions overriding virtual functions from base classes
 public:
        void print(const print_context & c, unsigned level = 0) const;
        ex eval_indexed(const basic & i) const;
@@ -124,7 +124,7 @@ class tensepsilon : public tensor
 public:
        tensepsilon(bool minkowski, bool pos_sig);
 
-       // functions overriding virtual functions from bases classes
+       // functions overriding virtual functions from base classes
 public:
        void print(const print_context & c, unsigned level = 0) const;
        ex eval_indexed(const basic & i) const;