generous use of auto_ptr to provide better exception safety and make the code

[ginac.git] / ginac / color.h

diff --git a/ginac/color.h b/ginac/color.h
index e7ad06184574d55ac9d79906fa5b1300ceb40666..8ff75442fa608de3dfe2c58861450837973314fc 100644 (file)
--- a/ginac/color.h
+++ b/ginac/color.h
@@ -47,14 +47,14 @@ public:
 
        // internal constructors
        color(unsigned char rl, const exvector & v, bool discardable = false);
-       color(unsigned char rl, exvector * vp); // vp will be deleted
+       color(unsigned char rl, std::auto_ptr<exvector> vp);
 
        // functions overriding virtual functions from base classes
 protected:
        ex eval_ncmul(const exvector & v) const;
        bool match_same_type(const basic & other) const;
        ex thiscontainer(const exvector & v) const;
-       ex thiscontainer(exvector * vp) const;
+       ex thiscontainer(std::auto_ptr<exvector> vp) const;
        unsigned return_type() const { return return_types::noncommutative; }
        unsigned return_type_tinfo() const { return TINFO_color + representation_label; }
 
@@ -73,9 +73,10 @@ class su3one : public tensor
 {
        GINAC_DECLARE_REGISTERED_CLASS(su3one, tensor)
 
-       // functions overriding virtual functions from base classes
-public:
-       void print(const print_context & c, unsigned level = 0) const;
+       // non-virtual functions in this class
+protected:
+       void do_print(const print_context & c, unsigned level) const;
+       void do_print_latex(const print_latex & c, unsigned level) const;
 };
 
 /** This class represents an su(3) generator. */
@@ -85,8 +86,12 @@ class su3t : public tensor
 
        // functions overriding virtual functions from base classes
 public:
-       void print(const print_context & c, unsigned level = 0) const;
        bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
+
+       // non-virtual functions in this class
+protected:
+       void do_print(const print_context & c, unsigned level) const;
+       void do_print_latex(const print_latex & c, unsigned level) const;
 };
 
 /** This class represents the tensor of antisymmetric su(3) structure
@@ -97,9 +102,13 @@ class su3f : public tensor
 
        // 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;
        bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
+
+       // non-virtual functions in this class
+protected:
+       void do_print(const print_context & c, unsigned level) const;
+       void do_print_latex(const print_latex & c, unsigned level) const;
 };
 
 /** This class represents the tensor of symmetric su(3) structure constants. */
@@ -109,9 +118,13 @@ class su3d : public tensor
 
        // 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;
        bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
+
+       // non-virtual functions in this class
+protected:
+       void do_print(const print_context & c, unsigned level) const;
+       void do_print_latex(const print_latex & c, unsigned level) const;
 };