Imported gcc-4.4.3

[msp430-gcc.git] / mpfr / set_sj.c

diff --git a/mpfr/set_sj.c b/mpfr/set_sj.c
new file mode 100644 (file)
index 0000000..c24f9c7
--- /dev/null
+++ b/mpfr/set_sj.c
@@ -0,0 +1,66 @@
+/* mpfr_set_sj -- set a MPFR number from a huge machine signed integer
+
+Copyright 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+Contributed by the Arenaire and Cacao 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 2.1 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.LIB.  If not, write to
+the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+MA 02110-1301, USA. */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"       /* for a build within gmp */
+#endif
+
+/* The ISO C99 standard specifies that in C++ implementations the
+   INTMAX_MAX, ... macros should only be defined if explicitly requested.  */
+#if defined __cplusplus
+# define __STDC_LIMIT_MACROS
+# define __STDC_CONSTANT_MACROS
+#endif
+
+#if HAVE_INTTYPES_H
+# include <inttypes.h> /* for intmax_t */
+#else
+# if HAVE_STDINT_H
+#  include <stdint.h>
+# endif
+#endif
+
+#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, - (uintmax_t) j, e, MPFR_INVERT_RND (rnd));
+      MPFR_CHANGE_SIGN (x);
+      return -inex;
+    }
+}
+
+#endif