#ifndef __GINAC_UTILS_H__
#define __GINAC_UTILS_H__
-#include <strstream>
+#include "config.h"
+
#include <string>
#include <stdexcept>
-#include "config.h"
+#if defined(HAVE_SSTREAM)
+#include <sstream>
+#elif defined(HAVE_STRSTREAM)
+#include <strstream>
+#else
+#error Need either sstream or strstream
+#endif
#include "assertion.h"
namespace GiNaC {
template<class T>
std::string ToString(const T & t)
{
+#if defined(HAVE_SSTREAM)
+ std::ostringstream buf;
+ buf << t << std::ends;
+ return buf.str();
+#else
char buf[256];
std::ostrstream(buf,sizeof(buf)) << t << std::ends;
return buf;
+#endif
}
/** Exception class thrown by classes which provide their own series expansion