Add new functions:

 mpfr_set_sj_2exp, mpfr_set_sj
 mpfr_set_uj_2exp, mpfr_set_uj


git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@2842 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 58 insertions, 0 deletions

diff --git a/set_sj.c b/set_sj.c
new file mode 100644
index 000000000..29eadbd07
--- /dev/null
+++ b/set_sj.c
@@ -0,0 +1,58 @@
+/* mpfr_set_sj -- set a MPFR number from a huge machine signed integer
+
+Copyright 2004 Free Software Foundation.
+
+This file is part of the MPFR Library.
+
+The 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 2.1 of the License, or (at your
+option) any later version.
+
+The 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 MPFR 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. */
+
+#if HAVE_CONFIG_H
+# include "config.h"       /* for a build within gmp */
+#endif
+
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+
+#define MPFR_NEED_LONGLONG_H
+#include "mpfr-impl.h"
+
+#ifdef _MPFR_H_HAVE_INTMAX_T
+
+int
+mpfr_set_sj (mpfr_t x, intmax_t j, mp_rnd_t rnd)
+{
+  return mpfr_set_sj_2exp (x, j, 0, rnd);
+}
+
+int
+mpfr_set_sj_2exp (mpfr_t x, intmax_t j, intmax_t e, mp_rnd_t rnd)
+{
+  if (j>=0)
+    return mpfr_set_uj_2exp (x, j, e, rnd);
+  else
+    {
+      int inex;
+      inex = mpfr_set_uj_2exp (x, -j, e, MPFR_INVERT_RND (rnd) );
+      MPFR_CHANGE_SIGN (x);
+      return -inex;
+    }
+}
+
+#endif