diff options
Diffstat (limited to 'patches/mpfr/3.1.3/170-zeta.patch')
| -rw-r--r-- | patches/mpfr/3.1.3/170-zeta.patch | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/patches/mpfr/3.1.3/170-zeta.patch b/patches/mpfr/3.1.3/170-zeta.patch deleted file mode 100644 index 12faf1d..0000000 --- a/patches/mpfr/3.1.3/170-zeta.patch +++ /dev/null @@ -1,125 +0,0 @@ -diff -Naurd mpfr-3.1.3-a/PATCHES mpfr-3.1.3-b/PATCHES ---- mpfr-3.1.3-a/PATCHES 2016-02-15 15:11:00.898156344 +0000 -+++ mpfr-3.1.3-b/PATCHES 2016-02-15 15:11:00.966156445 +0000 -@@ -0,0 +1 @@ -+zeta -diff -Naurd mpfr-3.1.3-a/VERSION mpfr-3.1.3-b/VERSION ---- mpfr-3.1.3-a/VERSION 2016-02-15 15:10:03.414066216 +0000 -+++ mpfr-3.1.3-b/VERSION 2016-02-15 15:11:00.966156445 +0000 -@@ -1 +1 @@ --3.1.3-p6 -+3.1.3-p7 -diff -Naurd mpfr-3.1.3-a/src/mpfr.h mpfr-3.1.3-b/src/mpfr.h ---- mpfr-3.1.3-a/src/mpfr.h 2016-02-15 15:10:03.410066210 +0000 -+++ mpfr-3.1.3-b/src/mpfr.h 2016-02-15 15:11:00.962156439 +0000 -@@ -27,7 +27,7 @@ - #define MPFR_VERSION_MAJOR 3 - #define MPFR_VERSION_MINOR 1 - #define MPFR_VERSION_PATCHLEVEL 3 --#define MPFR_VERSION_STRING "3.1.3-p6" -+#define MPFR_VERSION_STRING "3.1.3-p7" - - /* Macros dealing with MPFR VERSION */ - #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) -diff -Naurd mpfr-3.1.3-a/src/version.c mpfr-3.1.3-b/src/version.c ---- mpfr-3.1.3-a/src/version.c 2016-02-15 15:10:03.414066216 +0000 -+++ mpfr-3.1.3-b/src/version.c 2016-02-15 15:11:00.966156445 +0000 -@@ -25,5 +25,5 @@ - const char * - mpfr_get_version (void) - { -- return "3.1.3-p6"; -+ return "3.1.3-p7"; - } -diff -Naurd mpfr-3.1.3-a/src/zeta.c mpfr-3.1.3-b/src/zeta.c ---- mpfr-3.1.3-a/src/zeta.c 2015-06-19 19:55:10.000000000 +0000 -+++ mpfr-3.1.3-b/src/zeta.c 2016-02-15 15:11:00.942156410 +0000 -@@ -377,8 +377,8 @@ - } - } - -- /* Check for case s= 1 before changing the exponent range */ -- if (mpfr_cmp (s, __gmpfr_one) ==0) -+ /* Check for case s=1 before changing the exponent range */ -+ if (mpfr_cmp (s, __gmpfr_one) == 0) - { - MPFR_SET_INF (z); - MPFR_SET_POS (z); -@@ -420,7 +420,7 @@ - MPFR_ZIV_INIT (loop, prec1); - for (;;) - { -- mpfr_sub (s1, __gmpfr_one, s, MPFR_RNDN);/* s1 = 1-s */ -+ mpfr_sub (s1, __gmpfr_one, s, MPFR_RNDN); /* s1 = 1-s */ - mpfr_zeta_pos (z_pre, s1, MPFR_RNDN); /* zeta(1-s) */ - mpfr_gamma (y, s1, MPFR_RNDN); /* gamma(1-s) */ - if (MPFR_IS_INF (y)) /* Zeta(s) < 0 for -4k-2 < s < -4k, -@@ -432,17 +432,32 @@ - break; - } - mpfr_mul (z_pre, z_pre, y, MPFR_RNDN); /* gamma(1-s)*zeta(1-s) */ -- mpfr_const_pi (p, MPFR_RNDD); -- mpfr_mul (y, s, p, MPFR_RNDN); -- mpfr_div_2ui (y, y, 1, MPFR_RNDN); /* s*Pi/2 */ -- mpfr_sin (y, y, MPFR_RNDN); /* sin(Pi*s/2) */ -- mpfr_mul (z_pre, z_pre, y, MPFR_RNDN); -+ -+ mpfr_const_pi (p, MPFR_RNDD); /* p is Pi */ -+ -+ /* multiply z_pre by 2^s*Pi^(s-1) where p=Pi, s1=1-s */ - mpfr_mul_2ui (y, p, 1, MPFR_RNDN); /* 2*Pi */ - mpfr_neg (s1, s1, MPFR_RNDN); /* s-1 */ - mpfr_pow (y, y, s1, MPFR_RNDN); /* (2*Pi)^(s-1) */ - mpfr_mul (z_pre, z_pre, y, MPFR_RNDN); - mpfr_mul_2ui (z_pre, z_pre, 1, MPFR_RNDN); - -+ /* multiply z_pre by sin(Pi*s/2) */ -+ mpfr_mul (y, s, p, MPFR_RNDN); -+ mpfr_div_2ui (p, y, 1, MPFR_RNDN); /* p = s*Pi/2 */ -+ mpfr_sin (y, p, MPFR_RNDN); /* y = sin(Pi*s/2) */ -+ if (MPFR_GET_EXP(y) < 0) /* take account of cancellation in sin(p) */ -+ { -+ mpfr_t t; -+ mpfr_init2 (t, prec1 - MPFR_GET_EXP(y)); -+ mpfr_const_pi (t, MPFR_RNDD); -+ mpfr_mul (t, s, t, MPFR_RNDN); -+ mpfr_div_2ui (t, t, 1, MPFR_RNDN); -+ mpfr_sin (y, t, MPFR_RNDN); -+ mpfr_clear (t); -+ } -+ mpfr_mul (z_pre, z_pre, y, MPFR_RNDN); -+ - if (MPFR_LIKELY (MPFR_CAN_ROUND (z_pre, prec1 - add, precz, - rnd_mode))) - break; -diff -Naurd mpfr-3.1.3-a/tests/tzeta.c mpfr-3.1.3-b/tests/tzeta.c ---- mpfr-3.1.3-a/tests/tzeta.c 2015-06-19 19:55:10.000000000 +0000 -+++ mpfr-3.1.3-b/tests/tzeta.c 2016-02-15 15:11:00.942156410 +0000 -@@ -394,6 +394,27 @@ - mpfr_nextabove (s); - MPFR_ASSERTN (mpfr_equal_p (z, s) && inex > 0); - -+ /* bug reported by Fredrik Johansson on 19 Jan 2016 */ -+ mpfr_set_prec (s, 536); -+ mpfr_set_ui_2exp (s, 1, -424, MPFR_RNDN); -+ mpfr_sub_ui (s, s, 128, MPFR_RNDN); /* -128 + 2^(-424) */ -+ for (prec = 6; prec <= 536; prec += 8) /* should go through 318 */ -+ { -+ mpfr_set_prec (z, prec); -+ mpfr_zeta (z, s, MPFR_RNDD); -+ mpfr_set_prec (y, prec + 10); -+ mpfr_zeta (y, s, MPFR_RNDD); -+ mpfr_prec_round (y, prec, MPFR_RNDD); -+ if (! mpfr_equal_p (z, y)) -+ { -+ printf ("mpfr_zeta fails near -128 for inprec=%lu outprec=%lu\n", -+ (unsigned long) mpfr_get_prec (s), (unsigned long) prec); -+ printf ("expected "); mpfr_dump (y); -+ printf ("got "); mpfr_dump (z); -+ exit (1); -+ } -+ } -+ - mpfr_clear (s); - mpfr_clear (y); - mpfr_clear (z); |