stdcpp/src/complex_io.cpp
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stdcpp/src/complex_io.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 1999
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1999 
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted 
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */ 
+
+# include "stlport_prefix.h"
+// #include <iterator>
+#include "complex_impl.h"
+#include <istream>
+
+_STLP_BEGIN_NAMESPACE
+
+# if ! (defined (_STLP_MSVC) && _STLP_MSVC < 1200)
+
+// Specializations for narrow characters; lets us avoid the nuisance of
+// widening.
+_STLP_OPERATOR_SPEC
+basic_ostream<char, char_traits<char> >& _STLP_CALL
+operator<< (basic_ostream<char, char_traits<char> >& __os, const complex<float>& __z)
+{
+  return __os << '(' << (double)__z.real() << ',' << (double)__z.imag() << ')';
+}
+
+_STLP_OPERATOR_SPEC
+basic_ostream<char, char_traits<char> >& _STLP_CALL
+operator<< (basic_ostream<char, char_traits<char> >& __os, const complex<double>& __z)
+{
+  return __os << '(' << __z.real() << ',' << __z.imag() << ')';
+}
+
+#ifndef _STLP_NO_LONG_DOUBLE
+_STLP_OPERATOR_SPEC
+basic_ostream<char, char_traits<char> >& _STLP_CALL
+operator<< (basic_ostream<char, char_traits<char> >& __os, const complex<long double>& __z)
+{
+  return __os << '(' << __z.real() << ',' << __z.imag() << ')';
+}
+#endif
+
+// Specialization for narrow characters; lets us avoid widen.
+_STLP_OPERATOR_SPEC
+basic_istream<char, char_traits<char> >& _STLP_CALL
+operator>>(basic_istream<char, char_traits<char> >& __is, complex<float>& __z)
+{
+  float  __re = 0;
+  float  __im = 0;
+
+  char __c;
+
+  __is >> __c;
+  if (__c == '(') {
+    __is >> __re >> __c;
+    if (__c == ',')
+      __is >> __im >> __c;
+    if (__c != ')')
+      __is.setstate(ios_base::failbit);
+  }
+  else {
+    __is.putback(__c);
+    __is >> __re;
+  }
+
+  if (__is)
+    __z = complex<float>(__re, __im);
+  return __is;
+}
+
+_STLP_OPERATOR_SPEC
+basic_istream<char, char_traits<char> >& _STLP_CALL
+operator>>(basic_istream<char, char_traits<char> >& __is, complex<double>& __z)
+{
+  double  __re = 0;
+  double  __im = 0;
+
+  char __c;
+
+  __is >> __c;
+  if (__c == '(') {
+    __is >> __re >> __c;
+    if (__c == ',')
+      __is >> __im >> __c;
+    if (__c != ')')
+      __is.setstate(ios_base::failbit);
+  }
+  else {
+    __is.putback(__c);
+    __is >> __re;
+  }
+
+  if (__is)
+    __z = complex<double>(__re, __im);
+  return __is;
+}
+
+#  ifndef _STLP_NO_LONG_DOUBLE
+_STLP_OPERATOR_SPEC
+basic_istream<char, char_traits<char> >& _STLP_CALL
+operator>>(basic_istream<char, char_traits<char> >& __is, complex<long double>& __z) {
+  long double  __re = 0;
+  long double  __im = 0;
+
+  char __c;
+
+  __is >> __c;
+  if (__c == '(') {
+    __is >> __re >> __c;
+    if (__c == ',')
+      __is >> __im >> __c;
+    if (__c != ')')
+      __is.setstate(ios_base::failbit);
+  }
+  else {
+    __is.putback(__c);
+    __is >> __re;
+  }
+
+  if (__is)
+    __z = complex<long double>(__re, __im);
+  return __is;
+}
+#  endif
+
+# endif /* MSVC */
+
+_STLP_END_NAMESPACE
+
+
+// Local Variables:
+// mode:C++
+// End:
+