* mpz/cmp_d.c, mpz/cmpabs_d.c: New files.

1 files changed, 46 insertions, 0 deletions

diff --git a/mpz/cmp_d.c b/mpz/cmp_d.c
new file mode 100644
index 000000000..2f8e70308
--- /dev/null
+++ b/mpz/cmp_d.c
@@ -0,0 +1,46 @@
+/* mpz_cmp_d -- compare mpz and double.
+
+Copyright 2001 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 the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or (at your
+option) any later version.
+
+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 Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA.
+*/
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+int
+mpz_cmp_d (mpz_srcptr z, double d)
+{
+  mp_limb_t  darray[LIMBS_PER_DOUBLE];
+  mpf_t      u, v;
+  int        zsize;
+
+  zsize = SIZ(z);
+  if (d == 0.0)
+    return zsize;
+
+  SIZ(u) = zsize;
+  EXP(u) = ABS(zsize);
+  PTR(u) = PTR(z);
+
+  PTR(v) = darray;
+  SIZ(v) = (d >= 0.0 ? LIMBS_PER_DOUBLE : -LIMBS_PER_DOUBLE);
+  EXP(v) = __gmp_extract_double (darray, ABS(d));
+
+  return mpf_cmp (u, v);
+}