From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001
From: Duncan Wilkie <antigravityd@gmail.com>
Date: Sat, 18 Nov 2023 06:11:09 -0600
Subject: Initial commit.

---
 gmp-6.3.0/cxx/ismpq.cc | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 gmp-6.3.0/cxx/ismpq.cc

(limited to 'gmp-6.3.0/cxx/ismpq.cc')

diff --git a/gmp-6.3.0/cxx/ismpq.cc b/gmp-6.3.0/cxx/ismpq.cc
new file mode 100644
index 0000000..8cd5121
--- /dev/null
+++ b/gmp-6.3.0/cxx/ismpq.cc
@@ -0,0 +1,66 @@
+/* operator>> -- C++-style input of mpq_t.
+
+Copyright 2003 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of either:
+
+  * the GNU Lesser General Public License as published by the Free
+    Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+or
+
+  * the GNU General Public License as published by the Free Software
+    Foundation; either version 2 of the License, or (at your option) any
+    later version.
+
+or both in parallel, as here.
+
+The GNU MP Library is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library.  If not,
+see https://www.gnu.org/licenses/.  */
+
+#include <cctype>
+#include <iostream>
+#include <string>
+#include "gmp-impl.h"
+
+using namespace std;
+
+
+istream &
+operator>> (istream &i, mpq_ptr q)
+{
+  if (! (i >> mpq_numref(q)))
+    return i;
+
+  char  c = 0;
+  i.get(c); // start reading
+
+  if (c == '/')
+    {
+      // skip slash, read denominator
+      i.get(c);
+      return __gmpz_operator_in_nowhite (i, mpq_denref(q), c);
+    }
+  else
+    {
+      // no denominator, set 1
+      q->_mp_den._mp_size = 1;
+      q->_mp_den._mp_d[0] = 1;
+      if (i.good())
+        i.putback(c);
+      else if (i.eof())
+        i.clear(ios::eofbit);
+    }
+
+  return i;
+}
-- 
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