* ctor from string: fix for GCC3.0, avoid some string self-assignments.

diff --git a/ginac/numeric.cpp b/ginac/numeric.cpp
index a368491ad55c69363fa932daf9135087d712e01f..fe51c60795dd7b4e92fc082ceac82b2bace6e787 100644 (file)
--- a/ginac/numeric.cpp
+++ b/ginac/numeric.cpp
@@ -168,8 +168,8 @@ numeric::numeric(const char *s) : basic(TINFO_numeric)
 
        // We use 'E' as exponent marker in the output, but some people insist on
        // writing 'e' at input, so let's substitute them right at the beginning:
-       while ((delim = ss.find('e'))!=std::string::npos)
-               ss = ss.replace(delim,1,'E');
+       while ((delim = ss.find("e"))!=std::string::npos)
+               ss.replace(delim,1,"E");
 
        // main parser loop:
        do {
@@ -184,12 +184,12 @@ numeric::numeric(const char *s) : basic(TINFO_numeric)
                if (delim!=std::string::npos)
                        ss = ss.substr(delim);
                // is the term imaginary?
-               if (term.find('I')!=std::string::npos) {
+               if (term.find("I")!=std::string::npos) {
                        // erase 'I':
-                       term = term.replace(term.find('I'),1,"");
+                       term.erase(term.find("I"),1);
                        // erase '*':
-                       if (term.find('*')!=std::string::npos)
-                               term = term.replace(term.find('*'),1,"");
+                       if (term.find("*")!=std::string::npos)
+                               term.erase(term.find("*"),1);
                        // correct for trivial +/-I without explicit factor on I:
                        if (term.size()==1)
                                term += '1';
@@ -206,10 +206,10 @@ numeric::numeric(const char *s) : basic(TINFO_numeric)
                        // 31.4E-1   -->   31.4e-1_<Digits>
                        // and s on.
                        // No exponent marker?  Let's add a trivial one.
-                       if (term.find('E')==std::string::npos)
+                       if (term.find("E")==std::string::npos)
                                term += "E0";
                        // E to lower case
-                       term = term.replace(term.find('E'),1,'e');
+                       term = term.replace(term.find("E"),1,"e");
                        // append _<Digits> to term
                        term += "_" + ToString((unsigned)Digits);
                        // construct float using cln::cl_F(const char *) ctor.