1 files changed, 55 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpf/int_p.c b/gmp-6.3.0/mpf/int_p.c
new file mode 100644
index 0000000..024cfb5
--- /dev/null
+++ b/gmp-6.3.0/mpf/int_p.c
@@ -0,0 +1,55 @@
+/* mpf_integer_p -- test whether an mpf is an integer */
+
+/*
+Copyright 2001, 2002, 2014-2015 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 "gmp-impl.h"
+
+
+int
+mpf_integer_p (mpf_srcptr f) __GMP_NOTHROW
+{
+  mp_srcptr fp;
+  mp_exp_t exp;
+  mp_size_t size;
+
+  size = SIZ (f);
+  exp = EXP (f);
+  if (exp <= 0)
+    return (size == 0);  /* zero is an integer,
+			    others have only fraction limbs */
+  size = ABS (size);
+
+  /* Ignore zeroes at the low end of F.  */
+  for (fp = PTR (f); *fp == 0; ++fp)
+    --size;
+
+  /* no fraction limbs */
+  return size <= exp;
+}