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patches/mpfr/2.4.1/140-zeta_ui-shift.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Dec 31 18:47:37 2011 +0100 (2011-12-31)
changeset 2829 0c3c95f911ec
permissions -rw-r--r--
docs: credit Konrad EISELE for the initial multilib support

Konrad submitted an initial patch adding multlib support:
http://sourceware.org/ml/crossgcc/2011-11/msg00040.html

The patch was full of good ideas, but had a few issues, so
I (Yann E. MORIN) started it all from scatch, re-using part
of the original patch. This got implemented in this series:
hg log -r 446a17b5dd1e:e47d17391ae3

As I forgot to credit Konrad in these changelogs, update the
docs so that the work by Konrad gets credited. Without his
initial effort, we would probably not have had multlib support
so soon. Thank you Konrad!

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 diff -Naurd mpfr-2.4.1-a/PATCHES mpfr-2.4.1-b/PATCHES

     2 --- mpfr-2.4.1-a/PATCHES	2009-03-13 02:50:47.000000000 +0000

     3 +++ mpfr-2.4.1-b/PATCHES	2009-03-13 02:50:48.000000000 +0000

     4 @@ -0,0 +1 @@

     5 +zeta_ui-shift

     6 diff -Naurd mpfr-2.4.1-a/VERSION mpfr-2.4.1-b/VERSION

     7 --- mpfr-2.4.1-a/VERSION	2009-03-10 01:44:40.000000000 +0000

     8 +++ mpfr-2.4.1-b/VERSION	2009-03-13 02:50:48.000000000 +0000

     9 @@ -1 +1 @@

    10 -2.4.1-p4

    11 +2.4.1-p5

    12 diff -Naurd mpfr-2.4.1-a/mpfr.h mpfr-2.4.1-b/mpfr.h

    13 --- mpfr-2.4.1-a/mpfr.h	2009-03-10 01:44:40.000000000 +0000

    14 +++ mpfr-2.4.1-b/mpfr.h	2009-03-13 02:50:48.000000000 +0000

    15 @@ -27,7 +27,7 @@

    16  #define MPFR_VERSION_MAJOR 2

    17  #define MPFR_VERSION_MINOR 4

    18  #define MPFR_VERSION_PATCHLEVEL 1

    19 -#define MPFR_VERSION_STRING "2.4.1-p4"

    20 +#define MPFR_VERSION_STRING "2.4.1-p5"

    21  

    22  /* Macros dealing with MPFR VERSION */

    23  #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))

    24 diff -Naurd mpfr-2.4.1-a/version.c mpfr-2.4.1-b/version.c

    25 --- mpfr-2.4.1-a/version.c	2009-03-10 01:44:40.000000000 +0000

    26 +++ mpfr-2.4.1-b/version.c	2009-03-13 02:50:48.000000000 +0000

    27 @@ -25,5 +25,5 @@

    28  const char *

    29  mpfr_get_version (void)

    30  {

    31 -  return "2.4.1-p4";

    32 +  return "2.4.1-p5";

    33  }

    34 diff -Naurd mpfr-2.4.1-a/zeta_ui.c mpfr-2.4.1-b/zeta_ui.c

    35 --- mpfr-2.4.1-a/zeta_ui.c	2009-02-20 09:43:17.000000000 +0000

    36 +++ mpfr-2.4.1-b/zeta_ui.c	2009-03-13 02:50:48.000000000 +0000

    37 @@ -177,7 +177,9 @@

    38                    mpz_mul_ui (t, t, 2 * k - 1);

    39                  }

    40                mpz_div_2exp (t, t, 1);

    41 -              if (n < 1UL << (BITS_PER_MP_LIMB / 2))

    42 +              /* Warning: the test below assumes that an unsigned long

    43 +                 has no padding bits. */

    44 +              if (n < 1UL << ((sizeof(unsigned long) * CHAR_BIT) / 2))

    45                  /* (n - k + 1) * (n + k - 1) < n^2 */

    46                  mpz_divexact_ui (t, t, (n - k + 1) * (n + k - 1));

    47                else
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