gentoo-overlay/dev-libs/mpfr/files/3.0.0/patch03

diff -Naurd mpfr-3.0.0-a/PATCHES mpfr-3.0.0-b/PATCHES
--- mpfr-3.0.0-a/PATCHES	2010-07-10 00:11:19.000000000 +0000
+++ mpfr-3.0.0-b/PATCHES	2010-07-10 00:12:50.000000000 +0000
@@ -0,0 +1 @@
+gamma_underflow
diff -Naurd mpfr-3.0.0-a/VERSION mpfr-3.0.0-b/VERSION
--- mpfr-3.0.0-a/VERSION	2010-06-25 13:23:13.000000000 +0000
+++ mpfr-3.0.0-b/VERSION	2010-07-10 00:11:53.000000000 +0000
@@ -1 +1 @@
-3.0.0-p2
+3.0.0-p3
diff -Naurd mpfr-3.0.0-a/gamma.c mpfr-3.0.0-b/gamma.c
--- mpfr-3.0.0-a/gamma.c	2010-06-10 11:00:14.000000000 +0000
+++ mpfr-3.0.0-b/gamma.c	2010-07-10 00:11:46.000000000 +0000
@@ -274,7 +274,7 @@
       /* we want an upper bound for x * [log(2-x)-1].
          since x < 0, we need a lower bound on log(2-x) */
       mpfr_ui_sub (xp, 2, x, MPFR_RNDD);
-      mpfr_log (xp, xp, MPFR_RNDD);
+      mpfr_log2 (xp, xp, MPFR_RNDD);
       mpfr_sub_ui (xp, xp, 1, MPFR_RNDD);
       mpfr_mul (xp, xp, x, MPFR_RNDU);
 
@@ -303,8 +303,8 @@
         {
           mpfr_sub (tmp, tmp, tmp2, MPFR_RNDZ); /* low bnd on |sin(Pi*(2-x))| */
           mpfr_ui_div (tmp, 12, tmp, MPFR_RNDU); /* upper bound */
-          mpfr_log (tmp, tmp, MPFR_RNDU);
-          mpfr_add (tmp, tmp, xp, MPFR_RNDU);
+          mpfr_log2 (tmp, tmp, MPFR_RNDU);
+          mpfr_add (xp, tmp, xp, MPFR_RNDU);
           underflow = mpfr_cmp_si (xp, expo.saved_emin - 2) <= 0;
         }
 
diff -Naurd mpfr-3.0.0-a/mpfr.h mpfr-3.0.0-b/mpfr.h
--- mpfr-3.0.0-a/mpfr.h	2010-06-25 13:23:13.000000000 +0000
+++ mpfr-3.0.0-b/mpfr.h	2010-07-10 00:11:53.000000000 +0000
@@ -27,7 +27,7 @@
 #define MPFR_VERSION_MAJOR 3
 #define MPFR_VERSION_MINOR 0
 #define MPFR_VERSION_PATCHLEVEL 0
-#define MPFR_VERSION_STRING "3.0.0-p2"
+#define MPFR_VERSION_STRING "3.0.0-p3"
 
 /* Macros dealing with MPFR VERSION */
 #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
diff -Naurd mpfr-3.0.0-a/tests/tgamma.c mpfr-3.0.0-b/tests/tgamma.c
--- mpfr-3.0.0-a/tests/tgamma.c	2010-06-10 11:00:13.000000000 +0000
+++ mpfr-3.0.0-b/tests/tgamma.c	2010-07-10 00:11:46.000000000 +0000
@@ -461,6 +461,20 @@
   mpfr_clear (x);
 }
 
+/* bug found by Stathis, only occurs on 32-bit machines */
+static void
+test20100709 (void)
+{
+  mpfr_t x;
+  int inex;
+
+  mpfr_init2 (x, 100);
+  mpfr_set_str (x, "-4.6308260837372266e+07", 10, MPFR_RNDN);
+  inex = mpfr_gamma (x, x, MPFR_RNDN);
+  MPFR_ASSERTN(MPFR_IS_ZERO(x) && MPFR_IS_NEG(x) && inex > 0);
+  mpfr_clear (x);
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -471,6 +485,7 @@
   test_generic (2, 100, 2);
   gamma_integer ();
   test20071231 ();
+  test20100709 ();
 
   data_check ("data/gamma", mpfr_gamma, "mpfr_gamma");
 
diff -Naurd mpfr-3.0.0-a/version.c mpfr-3.0.0-b/version.c
--- mpfr-3.0.0-a/version.c	2010-06-25 13:23:13.000000000 +0000
+++ mpfr-3.0.0-b/version.c	2010-07-10 00:11:53.000000000 +0000
@@ -25,5 +25,5 @@
 const char *
 mpfr_get_version (void)
 {
-  return "3.0.0-p2";
+  return "3.0.0-p3";
 }