1 files changed, 78 insertions, 0 deletions
diff --git a/src/comparisons.c b/src/comparisons.c
new file mode 100644
index 0000000..584667e
--- /dev/null
+++ b/src/comparisons.c
@@ -0,0 +1,78 @@
+/* comparison predicates
+
+Copyright 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
+Contributed by the AriC and Caramel projects, INRIA.
+
+This file is part of the GNU MPFR Library.
+
+The GNU MPFR Library is free software; you can redistribute it and/or modify
+it under the terms of 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.
+
+The GNU MPFR 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 Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the GNU MPFR Library; see the file COPYING.LESSER.  If not, see
+http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
+51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include "mpfr-impl.h"
+
+/* Note: these functions currently use mpfr_cmp; they could have their
+   own code to be faster. */
+
+/*                          =     <     >     unordered
+ * mpfr_greater_p           0     0     1     0
+ * mpfr_greaterequal_p      1     0     1     0
+ * mpfr_less_p              0     1     0     0
+ * mpfr_lessequal_p         1     1     0     0
+ * mpfr_lessgreater_p       0     1     1     0
+ * mpfr_equal_p             1     0     0     0
+ * mpfr_unordered_p         0     0     0     1
+ */
+
+int
+mpfr_greater_p (mpfr_srcptr x, mpfr_srcptr y)
+{
+  return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) > 0);
+}
+
+int
+mpfr_greaterequal_p (mpfr_srcptr x, mpfr_srcptr y)
+{
+  return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) >= 0);
+}
+
+int
+mpfr_less_p (mpfr_srcptr x, mpfr_srcptr y)
+{
+  return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) < 0);
+}
+
+int
+mpfr_lessequal_p (mpfr_srcptr x, mpfr_srcptr y)
+{
+  return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) <= 0);
+}
+
+int
+mpfr_lessgreater_p (mpfr_srcptr x, mpfr_srcptr y)
+{
+  return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) != 0);
+}
+
+int
+mpfr_equal_p (mpfr_srcptr x, mpfr_srcptr y)
+{
+  return MPFR_IS_NAN(x) || MPFR_IS_NAN(y) ? 0 : (mpfr_cmp (x, y) == 0);
+}
+
+int
+mpfr_unordered_p (mpfr_srcptr x, mpfr_srcptr y)
+{
+  return MPFR_IS_NAN(x) || MPFR_IS_NAN(y);
+}