Imported gcc-4.4.3

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

diff --git a/mpfr/print_raw.c b/mpfr/print_raw.c
new file mode 100644 (file)
index 0000000..2038bee
--- /dev/null
+++ b/mpfr/print_raw.c
@@ -0,0 +1,129 @@
+/* mpfr_print_binary -- print the internal binary representation of a
+                     floating-point number
+
+Copyright 1999, 2000, 2001, 2002, 2003, 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. */
+
+#include "mpfr-impl.h"
+
+void
+mpfr_fprint_binary (FILE *stream, mpfr_srcptr x)
+{
+  if (MPFR_IS_NAN (x))
+    {
+      fprintf (stream, "@NaN@");
+      return;
+    }
+
+  if (MPFR_SIGN (x) < 0)
+    fprintf (stream, "-");
+
+  if (MPFR_IS_INF (x))
+    fprintf (stream, "@Inf@");
+  else if (MPFR_IS_ZERO (x))
+    fprintf (stream, "0");
+  else
+    {
+      mp_limb_t *mx;
+      mp_prec_t px;
+      mp_size_t n;
+
+      mx = MPFR_MANT (x);
+      px = MPFR_PREC (x);
+
+      fprintf (stream, "0.");
+      for (n = (px - 1) / BITS_PER_MP_LIMB; ; n--)
+        {
+          mp_limb_t wd, t;
+
+          MPFR_ASSERTN (n >= 0);
+          wd = mx[n];
+          for (t = MPFR_LIMB_HIGHBIT; t != 0; t >>= 1)
+            {
+              putc ((wd & t) == 0 ? '0' : '1', stream);
+              if (--px == 0)
+                {
+                  mp_exp_t ex;
+
+                  ex = MPFR_GET_EXP (x);
+                  MPFR_ASSERTN (ex >= LONG_MIN && ex <= LONG_MAX);
+                  fprintf (stream, "E%ld", (long) ex);
+                  return;
+                }
+            }
+        }
+    }
+}
+
+void
+mpfr_print_binary (mpfr_srcptr x)
+{
+  mpfr_fprint_binary (stdout, x);
+}
+
+void
+mpfr_print_mant_binary(const char *str, const mp_limb_t *p, mp_prec_t r)
+{
+  int i;
+  mp_prec_t count = 0;
+  char c;
+  mp_size_t n = (r - 1) / BITS_PER_MP_LIMB + 1;
+
+  printf("%s ", str);
+  for(n-- ; n>=0 ; n--)
+    {
+      for(i = BITS_PER_MP_LIMB-1 ; i >=0 ; i--)
+        {
+          c = (p[n] & (((mp_limb_t)1L)<<i)) ? '1' : '0';
+          putchar(c);
+          count++;
+          if (count == r)
+            putchar('[');
+        }
+      putchar('.');
+    }
+  putchar('\n');
+}
+
+void
+mpfr_dump_mant (const mp_limb_t *p, mp_prec_t r, mp_prec_t precx,
+                mp_prec_t error)
+{
+  int i;
+  mp_prec_t count = 0;
+  char c;
+  mp_size_t n = (r - 1) / BITS_PER_MP_LIMB + 1;
+
+  for(n-- ; n>=0 ; n--)
+    {
+      for(i = BITS_PER_MP_LIMB-1 ; i >=0 ; i--)
+        {
+          c = (p[n] & (((mp_limb_t)1L)<<i)) ? '1' : '0';
+          putchar(c);
+          count++;
+          if (count == precx)
+            putchar (',');
+          if (count == error)
+            putchar('[');
+        }
+      putchar('.');
+    }
+  putchar('\n');
+}