1 files changed, 137 insertions, 0 deletions
diff --git a/patches/mpfr/3.0.1/110-asin_exprange.patch b/patches/mpfr/3.0.1/110-asin_exprange.patch
new file mode 100644
index 00000000..d79a6f9f
--- /dev/null
+++ b/patches/mpfr/3.0.1/110-asin_exprange.patch
@@ -0,0 +1,137 @@
+diff -Naurd mpfr-3.0.1-a/PATCHES mpfr-3.0.1-b/PATCHES
+--- mpfr-3.0.1-a/PATCHES	2011-04-12 10:50:02.000000000 +0000
++++ mpfr-3.0.1-b/PATCHES	2011-04-12 10:50:02.000000000 +0000
+@@ -0,0 +1 @@
++asin_exprange
+diff -Naurd mpfr-3.0.1-a/VERSION mpfr-3.0.1-b/VERSION
+--- mpfr-3.0.1-a/VERSION	2011-04-04 10:19:18.000000000 +0000
++++ mpfr-3.0.1-b/VERSION	2011-04-12 10:50:02.000000000 +0000
+@@ -1 +1 @@
+-3.0.1
++3.0.1-p1
+diff -Naurd mpfr-3.0.1-a/asin.c mpfr-3.0.1-b/asin.c
+--- mpfr-3.0.1-a/asin.c	2011-04-04 10:19:18.000000000 +0000
++++ mpfr-3.0.1-b/asin.c	2011-04-12 10:50:02.000000000 +0000
+@@ -63,11 +63,14 @@
+ 
+   compared = mpfr_cmp_ui (xp, 1);
+ 
++  MPFR_SAVE_EXPO_MARK (expo);
++
+   if (MPFR_UNLIKELY (compared >= 0))
+     {
+       mpfr_clear (xp);
+       if (compared > 0)                  /* asin(x) = NaN for |x| > 1 */
+         {
++          MPFR_SAVE_EXPO_FREE (expo);
+           MPFR_SET_NAN (asin);
+           MPFR_RET_NAN;
+         }
+@@ -80,13 +83,11 @@
+               inexact = -mpfr_const_pi (asin, MPFR_INVERT_RND(rnd_mode));
+               MPFR_CHANGE_SIGN (asin);
+             }
+-          mpfr_div_2ui (asin, asin, 1, rnd_mode); /* May underflow */
+-          return inexact;
++          mpfr_div_2ui (asin, asin, 1, rnd_mode);
+         }
+     }
+-
+-  MPFR_SAVE_EXPO_MARK (expo);
+-
++  else
++    {
+   /* Compute exponent of 1 - ABS(x) */
+   mpfr_ui_sub (xp, 1, xp, MPFR_RNDD);
+   MPFR_ASSERTD (MPFR_GET_EXP (xp) <= 0);
+@@ -115,6 +116,7 @@
+   inexact = mpfr_set (asin, xp, rnd_mode);
+ 
+   mpfr_clear (xp);
++    }
+ 
+   MPFR_SAVE_EXPO_FREE (expo);
+   return mpfr_check_range (asin, inexact, rnd_mode);
+diff -Naurd mpfr-3.0.1-a/mpfr.h mpfr-3.0.1-b/mpfr.h
+--- mpfr-3.0.1-a/mpfr.h	2011-04-04 10:19:18.000000000 +0000
++++ mpfr-3.0.1-b/mpfr.h	2011-04-12 10:50:02.000000000 +0000
+@@ -27,7 +27,7 @@
+ #define MPFR_VERSION_MAJOR 3
+ #define MPFR_VERSION_MINOR 0
+ #define MPFR_VERSION_PATCHLEVEL 1
+-#define MPFR_VERSION_STRING "3.0.1"
++#define MPFR_VERSION_STRING "3.0.1-p1"
+ 
+ /* Macros dealing with MPFR VERSION */
+ #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+diff -Naurd mpfr-3.0.1-a/tests/tasin.c mpfr-3.0.1-b/tests/tasin.c
+--- mpfr-3.0.1-a/tests/tasin.c	2011-04-04 10:19:17.000000000 +0000
++++ mpfr-3.0.1-b/tests/tasin.c	2011-04-12 10:50:02.000000000 +0000
+@@ -219,6 +219,49 @@
+   mpfr_clear (y);
+ }
+ 
++static void
++reduced_expo_range (void)
++{
++  mpfr_exp_t emin, emax;
++  mpfr_t x, y, ex_y;
++  int inex, ex_inex;
++  unsigned int flags, ex_flags;
++
++  emin = mpfr_get_emin ();
++  emax = mpfr_get_emax ();
++
++  mpfr_inits2 (4, x, y, ex_y, (mpfr_ptr) 0);
++  mpfr_set_str (x, "-0.1e1", 2, MPFR_RNDN);
++
++  mpfr_set_emin (1);
++  mpfr_set_emax (1);
++  mpfr_clear_flags ();
++  inex = mpfr_asin (y, x, MPFR_RNDA);
++  flags = __gmpfr_flags;
++  mpfr_set_emin (emin);
++  mpfr_set_emax (emax);
++
++  mpfr_set_str (ex_y, "-0.1101e1", 2, MPFR_RNDN);
++  ex_inex = -1;
++  ex_flags = MPFR_FLAGS_INEXACT;
++
++  if (SIGN (inex) != ex_inex || flags != ex_flags ||
++      ! mpfr_equal_p (y, ex_y))
++    {
++      printf ("Error in reduced_expo_range\non x = ");
++      mpfr_dump (x);
++      printf ("Expected y = ");
++      mpfr_out_str (stdout, 2, 0, ex_y, MPFR_RNDN);
++      printf ("\n         inex = %d, flags = %u\n", ex_inex, ex_flags);
++      printf ("Got      y = ");
++      mpfr_out_str (stdout, 2, 0, y, MPFR_RNDN);
++      printf ("\n         inex = %d, flags = %u\n", SIGN (inex), flags);
++      exit (1);
++    }
++
++  mpfr_clears (x, y, ex_y, (mpfr_ptr) 0);
++}
++
+ int
+ main (void)
+ {
+@@ -226,6 +269,7 @@
+ 
+   special ();
+   special_overflow ();
++  reduced_expo_range ();
+ 
+   test_generic (2, 100, 15);
+ 
+diff -Naurd mpfr-3.0.1-a/version.c mpfr-3.0.1-b/version.c
+--- mpfr-3.0.1-a/version.c	2011-04-04 10:19:18.000000000 +0000
++++ mpfr-3.0.1-b/version.c	2011-04-12 10:50:02.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+-  return "3.0.1";
++  return "3.0.1-p1";
+ }