--- /dev/null
+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";
+ }
+diff -Naurd mpfr-3.0.1-a/PATCHES mpfr-3.0.1-b/PATCHES
+--- mpfr-3.0.1-a/PATCHES 2011-05-04 11:18:33.000000000 +0000
++++ mpfr-3.0.1-b/PATCHES 2011-05-04 11:18:33.000000000 +0000
+@@ -0,0 +1 @@
++rec_sqrt-carry
+diff -Naurd mpfr-3.0.1-a/VERSION mpfr-3.0.1-b/VERSION
+--- mpfr-3.0.1-a/VERSION 2011-04-12 10:50:02.000000000 +0000
++++ mpfr-3.0.1-b/VERSION 2011-05-04 11:18:33.000000000 +0000
+@@ -1 +1 @@
+-3.0.1-p1
++3.0.1-p2
+diff -Naurd mpfr-3.0.1-a/mpfr.h mpfr-3.0.1-b/mpfr.h
+--- mpfr-3.0.1-a/mpfr.h 2011-04-12 10:50:02.000000000 +0000
++++ mpfr-3.0.1-b/mpfr.h 2011-05-04 11:18:33.000000000 +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-p1"
++#define MPFR_VERSION_STRING "3.0.1-p2"
+
+ /* Macros dealing with MPFR VERSION */
+ #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+diff -Naurd mpfr-3.0.1-a/rec_sqrt.c mpfr-3.0.1-b/rec_sqrt.c
+--- mpfr-3.0.1-a/rec_sqrt.c 2011-04-04 10:19:18.000000000 +0000
++++ mpfr-3.0.1-b/rec_sqrt.c 2011-05-04 11:18:33.000000000 +0000
+@@ -375,20 +375,37 @@
+ MPFR_ASSERTD(un == ln + 1 || un == ln + 2);
+ /* the high un-ln limbs of u will overlap the low part of {x+ln,xn},
+ we need to add or subtract the overlapping part {u + ln, un - ln} */
++ /* Warning! th may be 0, in which case the mpn_add_1 and mpn_sub_1
++ below (with size = th) mustn't be used. In such a case, the limb
++ (carry) will be 0, so that this is semantically a no-op, but if
++ mpn_add_1 and mpn_sub_1 are used, GMP (currently) still does a
++ non-atomic read/write in a place that is not always allocated,
++ with the possible consequences: a crash if the corresponding
++ address is not mapped, or (rather unlikely) memory corruption
++ if another process/thread writes at the same place; things may
++ be worse with future GMP versions. Hence the tests carry != 0. */
+ if (neg == 0)
+ {
+ if (ln > 0)
+ MPN_COPY (x, u, ln);
+ cy = mpn_add (x + ln, x + ln, xn, u + ln, un - ln);
+ /* add cu at x+un */
+- cy += mpn_add_1 (x + un, x + un, th, cu);
++ if (cu != 0)
++ {
++ MPFR_ASSERTD (th != 0);
++ cy += mpn_add_1 (x + un, x + un, th, cu);
++ }
+ }
+ else /* negative case */
+ {
+ /* subtract {u+ln, un-ln} from {x+ln,un} */
+ cy = mpn_sub (x + ln, x + ln, xn, u + ln, un - ln);
+ /* carry cy is at x+un, like cu */
+- cy = mpn_sub_1 (x + un, x + un, th, cy + cu); /* n - un = th */
++ if (cy + cu != 0)
++ {
++ MPFR_ASSERTD (th != 0);
++ cy = mpn_sub_1 (x + un, x + un, th, cy + cu); /* n - un = th */
++ }
+ /* cy cannot be zero, since the most significant bit of Xh is 1,
+ and the correction is bounded by 2^{-h+3} */
+ MPFR_ASSERTD(cy == 0);
+diff -Naurd mpfr-3.0.1-a/version.c mpfr-3.0.1-b/version.c
+--- mpfr-3.0.1-a/version.c 2011-04-12 10:50:02.000000000 +0000
++++ mpfr-3.0.1-b/version.c 2011-05-04 11:18:33.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+- return "3.0.1-p1";
++ return "3.0.1-p2";
+ }
+diff -Naurd mpfr-3.0.1-a/PATCHES mpfr-3.0.1-b/PATCHES
+--- mpfr-3.0.1-a/PATCHES 2011-05-05 00:00:35.000000000 +0000
++++ mpfr-3.0.1-b/PATCHES 2011-05-05 00:00:35.000000000 +0000
+@@ -0,0 +1 @@
++atan-expo-range
+diff -Naurd mpfr-3.0.1-a/VERSION mpfr-3.0.1-b/VERSION
+--- mpfr-3.0.1-a/VERSION 2011-05-04 11:18:33.000000000 +0000
++++ mpfr-3.0.1-b/VERSION 2011-05-05 00:00:35.000000000 +0000
+@@ -1 +1 @@
+-3.0.1-p2
++3.0.1-p3
+diff -Naurd mpfr-3.0.1-a/atan.c mpfr-3.0.1-b/atan.c
+--- mpfr-3.0.1-a/atan.c 2011-04-04 10:19:18.000000000 +0000
++++ mpfr-3.0.1-b/atan.c 2011-05-05 00:00:35.000000000 +0000
+@@ -431,5 +431,5 @@
+ MPFR_GROUP_CLEAR (group);
+
+ MPFR_SAVE_EXPO_FREE (expo);
+- return mpfr_check_range (arctgt, inexact, rnd_mode);
++ return mpfr_check_range (atan, 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 2011-05-04 11:18:33.000000000 +0000
++++ mpfr-3.0.1-b/mpfr.h 2011-05-05 00:00:35.000000000 +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-p2"
++#define MPFR_VERSION_STRING "3.0.1-p3"
+
+ /* 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/tatan.c mpfr-3.0.1-b/tests/tatan.c
+--- mpfr-3.0.1-a/tests/tatan.c 2011-04-04 10:19:17.000000000 +0000
++++ mpfr-3.0.1-b/tests/tatan.c 2011-05-05 00:00:35.000000000 +0000
+@@ -535,6 +535,52 @@
+ mpfr_clears (a, x, y, (mpfr_ptr) 0);
+ }
+
++/* http://websympa.loria.fr/wwsympa/arc/mpfr/2011-05/msg00008.html
++ * Incorrect flags (in debug mode on a 32-bit machine, assertion failure).
++ */
++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 (12, x, y, ex_y, (mpfr_ptr) 0);
++ mpfr_set_str (x, "0.1e-5", 2, MPFR_RNDN);
++
++ mpfr_set_emin (-5);
++ mpfr_set_emax (-5);
++ mpfr_clear_flags ();
++ inex = mpfr_atan (y, x, MPFR_RNDN);
++ flags = __gmpfr_flags;
++ mpfr_set_emin (emin);
++ mpfr_set_emax (emax);
++
++ mpfr_set_str (ex_y, "0.1e-5", 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 (int argc, char *argv[])
+ {
+@@ -546,6 +592,7 @@
+ smallvals_atan2 ();
+ atan2_bug_20071003 ();
+ atan2_different_prec ();
++ reduced_expo_range ();
+
+ test_generic_atan (2, 200, 17);
+ test_generic_atan2 (2, 200, 17);
+diff -Naurd mpfr-3.0.1-a/version.c mpfr-3.0.1-b/version.c
+--- mpfr-3.0.1-a/version.c 2011-05-04 11:18:33.000000000 +0000
++++ mpfr-3.0.1-b/version.c 2011-05-05 00:00:35.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+- return "3.0.1-p2";
++ return "3.0.1-p3";
+ }
+diff -Naurd mpfr-3.0.1-a/PATCHES mpfr-3.0.1-b/PATCHES
+--- mpfr-3.0.1-a/PATCHES 2011-05-09 14:48:24.000000000 +0000
++++ mpfr-3.0.1-b/PATCHES 2011-05-09 14:48:24.000000000 +0000
+@@ -0,0 +1 @@
++texp-zero
+diff -Naurd mpfr-3.0.1-a/VERSION mpfr-3.0.1-b/VERSION
+--- mpfr-3.0.1-a/VERSION 2011-05-05 00:00:35.000000000 +0000
++++ mpfr-3.0.1-b/VERSION 2011-05-09 14:48:24.000000000 +0000
+@@ -1 +1 @@
+-3.0.1-p3
++3.0.1-p4
+diff -Naurd mpfr-3.0.1-a/mpfr.h mpfr-3.0.1-b/mpfr.h
+--- mpfr-3.0.1-a/mpfr.h 2011-05-05 00:00:35.000000000 +0000
++++ mpfr-3.0.1-b/mpfr.h 2011-05-09 14:48:24.000000000 +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-p3"
++#define MPFR_VERSION_STRING "3.0.1-p4"
+
+ /* 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/texp.c mpfr-3.0.1-b/tests/texp.c
+--- mpfr-3.0.1-a/tests/texp.c 2011-04-04 10:19:17.000000000 +0000
++++ mpfr-3.0.1-b/tests/texp.c 2011-05-09 14:48:24.000000000 +0000
+@@ -170,7 +170,9 @@
+ mpfr_set_prec (x, prec);
+ mpfr_set_prec (y, prec);
+ mpfr_set_prec (z, prec);
+- mpfr_urandomb (x, RANDS);
++ do
++ mpfr_urandomb (x, RANDS);
++ while (MPFR_IS_ZERO (x)); /* 0 is handled by mpfr_exp only */
+ rnd = RND_RAND ();
+ mpfr_exp_2 (y, x, rnd);
+ mpfr_exp_3 (z, x, rnd);
+diff -Naurd mpfr-3.0.1-a/version.c mpfr-3.0.1-b/version.c
+--- mpfr-3.0.1-a/version.c 2011-05-05 00:00:35.000000000 +0000
++++ mpfr-3.0.1-b/version.c 2011-05-09 14:48:24.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+- return "3.0.1-p3";
++ return "3.0.1-p4";
+ }
projects / buildroot.git / commitdiff