1 files changed, 38 insertions, 0 deletions
diff --git a/src/cmp_d.c b/src/cmp_d.c
new file mode 100644
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--- /dev/null
+++ b/src/cmp_d.c
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+/* mpfr_cmp_d -- compare a floating-point number with a double
+
+Copyright 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"
+
+int
+mpfr_cmp_d (mpfr_srcptr b, double d)
+{
+  mpfr_t tmp;
+  int res;
+
+  mpfr_init2 (tmp, IEEE_DBL_MANT_DIG);
+  res = mpfr_set_d (tmp, d, MPFR_RNDN);
+  MPFR_ASSERTD (res == 0);
+  res = mpfr_cmp (b, tmp);
+  mpfr_clear (tmp);
+
+  return res;
+}