* Remove support for <strstream>. It is too bug-ridden.

[ginac.git] / ginac / numeric.cpp

diff --git a/ginac/numeric.cpp b/ginac/numeric.cpp
index b1a4033cd73fe5c57f51dd0cb858bc843b8d2fcc..72668220da202597a09fe11564fdc4517e5a05db 100644 (file)
--- a/ginac/numeric.cpp
+++ b/ginac/numeric.cpp
@@ -29,20 +29,14 @@
 #include <vector>
 #include <stdexcept>
 #include <string>
-
-#if defined(HAVE_SSTREAM)
 #include <sstream>
-#elif defined(HAVE_STRSTREAM)
-#include <strstream>
-#else
-#error Need either sstream or strstream
-#endif
 
 #include "numeric.h"
 #include "ex.h"
 #include "print.h"
 #include "archive.h"
 #include "debugmsg.h"
+#include "tostring.h"
 #include "utils.h"
 
 // CLN should pollute the global namespace as little as possible.  Hence, we
@@ -219,15 +213,7 @@ numeric::numeric(const char *s) : basic(TINFO_numeric)
                        // E to lower case
                        term = term.replace(term.find("E"),1,"e");
                        // append _<Digits> to term
-#if defined(HAVE_SSTREAM)
-                       std::ostringstream buf;
-                       buf << unsigned(Digits) << std::ends;
-                       term += "_" + buf.str();
-#else
-                       char buf[14];
-                       std::ostrstream(buf,sizeof(buf)) << unsigned(Digits) << std::ends;
-                       term += "_" + std::string(buf);
-#endif
+                       term += "_" + ToString((unsigned)Digits);
                        // construct float using cln::cl_F(const char *) ctor.
                        if (imaginary)
                                ctorval = ctorval + cln::complex(cln::cl_I(0),cln::cl_F(term.c_str()));
@@ -267,11 +253,7 @@ numeric::numeric(const archive_node &n, const lst &sym_lst) : inherited(n, sym_l
        // Read number as string
        std::string str;
        if (n.find_string("number", str)) {
-#ifdef HAVE_SSTREAM
                std::istringstream s(str);
-#else
-               std::istrstream s(str.c_str(), str.size() + 1);
-#endif
                cln::cl_idecoded_float re, im;
                char c;
                s.get(c);
@@ -301,12 +283,7 @@ void numeric::archive(archive_node &n) const
        inherited::archive(n);
 
        // Write number as string
-#ifdef HAVE_SSTREAM
        std::ostringstream s;
-#else
-       char buf[1024];
-       std::ostrstream s(buf, 1024);
-#endif
        if (this->is_crational())
                s << cln::the<cln::cl_N>(value);
        else {
@@ -324,13 +301,7 @@ void numeric::archive(archive_node &n) const
                        s << im.sign << " " << im.mantissa << " " << im.exponent;
                }
        }
-#ifdef HAVE_SSTREAM
        n.add_string("number", s.str());
-#else
-       s << ends;
-       std::string str(buf);
-       n.add_string("number", str);
-#endif
 }
 
 DEFAULT_UNARCHIVE(numeric)