Compare commits
No commits in common. 'i8c' and 'c9' have entirely different histories.
@ -1 +1 @@
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SOURCES/mpfr-3.1.6.tar.xz
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SOURCES/mpfr-4.1.0.tar.xz
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@ -1 +1 @@
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f9178ddc0c470faa2e063b3185c4488ad0f74df8 SOURCES/mpfr-3.1.6.tar.xz
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159c3a58705662bfde4dc93f2617f3660855ead6 SOURCES/mpfr-4.1.0.tar.xz
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File diff suppressed because it is too large
Load Diff
@ -1,285 +0,0 @@
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diff -Naurd mpfr-3.1.6-a/PATCHES mpfr-3.1.6-b/PATCHES
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--- mpfr-3.1.6-a/PATCHES 2017-10-26 13:55:51.168013439 +0000
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+++ mpfr-3.1.6-b/PATCHES 2017-10-26 13:55:51.236013121 +0000
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@@ -0,0 +1 @@
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+mpfr_get
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diff -Naurd mpfr-3.1.6-a/VERSION mpfr-3.1.6-b/VERSION
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--- mpfr-3.1.6-a/VERSION 2017-09-07 11:36:44.000000000 +0000
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+++ mpfr-3.1.6-b/VERSION 2017-10-26 13:55:51.236013121 +0000
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@@ -1 +1 @@
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-3.1.6
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+3.1.6-p1
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diff -Naurd mpfr-3.1.6-a/src/get_ld.c mpfr-3.1.6-b/src/get_ld.c
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--- mpfr-3.1.6-a/src/get_ld.c 2017-01-01 01:39:09.000000000 +0000
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+++ mpfr-3.1.6-b/src/get_ld.c 2017-10-26 13:55:51.208013252 +0000
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@@ -41,6 +41,9 @@
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mpfr_exp_t sh; /* exponent shift, so that x/2^sh is in the double range */
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mpfr_t y, z;
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int sign;
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+ MPFR_SAVE_EXPO_DECL (expo);
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+
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+ MPFR_SAVE_EXPO_MARK (expo);
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/* first round x to the target long double precision, so that
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all subsequent operations are exact (this avoids double rounding
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@@ -103,6 +106,7 @@
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}
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if (sign < 0)
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r = -r;
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+ MPFR_SAVE_EXPO_FREE (expo);
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return r;
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}
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}
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diff -Naurd mpfr-3.1.6-a/src/get_si.c mpfr-3.1.6-b/src/get_si.c
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--- mpfr-3.1.6-a/src/get_si.c 2017-01-01 01:39:09.000000000 +0000
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+++ mpfr-3.1.6-b/src/get_si.c 2017-10-26 13:55:51.208013252 +0000
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@@ -28,6 +28,7 @@
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mpfr_prec_t prec;
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long s;
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mpfr_t x;
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+ MPFR_SAVE_EXPO_DECL (expo);
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if (MPFR_UNLIKELY (!mpfr_fits_slong_p (f, rnd)))
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{
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@@ -39,14 +40,22 @@
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if (MPFR_IS_ZERO (f))
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return (long) 0;
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- /* determine prec of long */
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- for (s = LONG_MIN, prec = 0; s != 0; s /= 2, prec++)
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+ /* Determine the precision of long. |LONG_MIN| may have one more bit
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+ as an integer, but in this case, this is a power of 2, thus fits
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+ in a precision-prec floating-point number. */
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+ for (s = LONG_MAX, prec = 0; s != 0; s /= 2, prec++)
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{ }
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+ MPFR_SAVE_EXPO_MARK (expo);
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+
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/* first round to prec bits */
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mpfr_init2 (x, prec);
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mpfr_rint (x, f, rnd);
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+ /* The flags from mpfr_rint are the wanted ones. In particular,
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+ it sets the inexact flag when necessary. */
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+ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
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+
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/* warning: if x=0, taking its exponent is illegal */
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if (MPFR_UNLIKELY (MPFR_IS_ZERO(x)))
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s = 0;
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@@ -65,5 +74,7 @@
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mpfr_clear (x);
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+ MPFR_SAVE_EXPO_FREE (expo);
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+
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return s;
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}
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diff -Naurd mpfr-3.1.6-a/src/get_sj.c mpfr-3.1.6-b/src/get_sj.c
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--- mpfr-3.1.6-a/src/get_sj.c 2017-01-01 01:39:09.000000000 +0000
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+++ mpfr-3.1.6-b/src/get_sj.c 2017-10-26 13:55:51.208013252 +0000
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@@ -35,6 +35,7 @@
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intmax_t r;
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mpfr_prec_t prec;
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mpfr_t x;
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+ MPFR_SAVE_EXPO_DECL (expo);
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if (MPFR_UNLIKELY (!mpfr_fits_intmax_p (f, rnd)))
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{
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@@ -46,20 +47,24 @@
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if (MPFR_IS_ZERO (f))
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return (intmax_t) 0;
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- /* determine the precision of intmax_t */
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- for (r = MPFR_INTMAX_MIN, prec = 0; r != 0; r /= 2, prec++)
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+ /* Determine the precision of intmax_t. |INTMAX_MIN| may have one
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+ more bit as an integer, but in this case, this is a power of 2,
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+ thus fits in a precision-prec floating-point number. */
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+ for (r = MPFR_INTMAX_MAX, prec = 0; r != 0; r /= 2, prec++)
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{ }
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- /* Note: though INTMAX_MAX would have been sufficient for the conversion,
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- we chose INTMAX_MIN so that INTMAX_MIN - 1 is always representable in
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- precision prec; this is useful to detect overflows in MPFR_RNDZ (will
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- be needed later). */
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- /* Now, r = 0. */
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+ MPFR_ASSERTD (r == 0);
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+
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+ MPFR_SAVE_EXPO_MARK (expo);
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mpfr_init2 (x, prec);
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mpfr_rint (x, f, rnd);
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MPFR_ASSERTN (MPFR_IS_FP (x));
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+ /* The flags from mpfr_rint are the wanted ones. In particular,
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+ it sets the inexact flag when necessary. */
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+ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
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+
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if (MPFR_NOTZERO (x))
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{
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mp_limb_t *xp;
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@@ -67,15 +72,15 @@
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xp = MPFR_MANT (x);
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sh = MPFR_GET_EXP (x);
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- MPFR_ASSERTN ((mpfr_prec_t) sh <= prec);
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+ MPFR_ASSERTN ((mpfr_prec_t) sh <= prec + 1);
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if (MPFR_INTMAX_MIN + MPFR_INTMAX_MAX != 0
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- && MPFR_UNLIKELY ((mpfr_prec_t) sh == prec))
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+ && MPFR_UNLIKELY ((mpfr_prec_t) sh > prec))
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{
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/* 2's complement and x <= INTMAX_MIN: in the case mp_limb_t
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has the same size as intmax_t, we cannot use the code in
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the for loop since the operations would be performed in
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unsigned arithmetic. */
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- MPFR_ASSERTN (MPFR_IS_NEG (x) && (mpfr_powerof2_raw (x)));
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+ MPFR_ASSERTN (MPFR_IS_NEG (x) && mpfr_powerof2_raw (x));
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r = MPFR_INTMAX_MIN;
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}
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else if (MPFR_IS_POS (x))
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@@ -117,6 +122,8 @@
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mpfr_clear (x);
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+ MPFR_SAVE_EXPO_FREE (expo);
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+
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return r;
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}
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diff -Naurd mpfr-3.1.6-a/src/get_ui.c mpfr-3.1.6-b/src/get_ui.c
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--- mpfr-3.1.6-a/src/get_ui.c 2017-01-01 01:39:09.000000000 +0000
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+++ mpfr-3.1.6-b/src/get_ui.c 2017-10-26 13:55:51.208013252 +0000
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@@ -30,6 +30,7 @@
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mpfr_t x;
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mp_size_t n;
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mpfr_exp_t exp;
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+ MPFR_SAVE_EXPO_DECL (expo);
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if (MPFR_UNLIKELY (!mpfr_fits_ulong_p (f, rnd)))
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{
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@@ -44,10 +45,16 @@
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for (s = ULONG_MAX, prec = 0; s != 0; s /= 2, prec ++)
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{ }
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+ MPFR_SAVE_EXPO_MARK (expo);
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+
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/* first round to prec bits */
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mpfr_init2 (x, prec);
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mpfr_rint (x, f, rnd);
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+ /* The flags from mpfr_rint are the wanted ones. In particular,
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+ it sets the inexact flag when necessary. */
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+ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
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+
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/* warning: if x=0, taking its exponent is illegal */
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if (MPFR_IS_ZERO(x))
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s = 0;
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@@ -61,5 +68,7 @@
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mpfr_clear (x);
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+ MPFR_SAVE_EXPO_FREE (expo);
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+
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return s;
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}
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diff -Naurd mpfr-3.1.6-a/src/get_uj.c mpfr-3.1.6-b/src/get_uj.c
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--- mpfr-3.1.6-a/src/get_uj.c 2017-01-01 01:39:09.000000000 +0000
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+++ mpfr-3.1.6-b/src/get_uj.c 2017-10-26 13:55:51.208013252 +0000
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@@ -35,6 +35,7 @@
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uintmax_t r;
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mpfr_prec_t prec;
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mpfr_t x;
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+ MPFR_SAVE_EXPO_DECL (expo);
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if (MPFR_UNLIKELY (!mpfr_fits_uintmax_p (f, rnd)))
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{
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@@ -50,12 +51,18 @@
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for (r = MPFR_UINTMAX_MAX, prec = 0; r != 0; r /= 2, prec++)
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{ }
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- /* Now, r = 0. */
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+ MPFR_ASSERTD (r == 0);
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+
|
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+ MPFR_SAVE_EXPO_MARK (expo);
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|
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mpfr_init2 (x, prec);
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mpfr_rint (x, f, rnd);
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|
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MPFR_ASSERTN (MPFR_IS_FP (x));
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|
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|
|
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+ /* The flags from mpfr_rint are the wanted ones. In particular,
|
|
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+ it sets the inexact flag when necessary. */
|
|
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+ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
|
|
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+
|
|
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if (MPFR_NOTZERO (x))
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|
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{
|
|
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mp_limb_t *xp;
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|
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@@ -76,6 +83,8 @@
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|
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|
|
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mpfr_clear (x);
|
|
||||||
|
|
||||||
+ MPFR_SAVE_EXPO_FREE (expo);
|
|
||||||
+
|
|
||||||
return r;
|
|
||||||
}
|
|
||||||
|
|
||||||
diff -Naurd mpfr-3.1.6-a/src/get_z.c mpfr-3.1.6-b/src/get_z.c
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|
||||||
--- mpfr-3.1.6-a/src/get_z.c 2017-01-01 01:39:09.000000000 +0000
|
|
||||||
+++ mpfr-3.1.6-b/src/get_z.c 2017-10-26 13:55:51.208013252 +0000
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|
||||||
@@ -29,6 +29,7 @@
|
|
||||||
int inex;
|
|
||||||
mpfr_t r;
|
|
||||||
mpfr_exp_t exp;
|
|
||||||
+ MPFR_SAVE_EXPO_DECL (expo);
|
|
||||||
|
|
||||||
if (MPFR_UNLIKELY (MPFR_IS_SINGULAR (f)))
|
|
||||||
{
|
|
||||||
@@ -41,6 +42,8 @@
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
+ MPFR_SAVE_EXPO_MARK (expo);
|
|
||||||
+
|
|
||||||
exp = MPFR_GET_EXP (f);
|
|
||||||
/* if exp <= 0, then |f|<1, thus |o(f)|<=1 */
|
|
||||||
MPFR_ASSERTN (exp < 0 || exp <= MPFR_PREC_MAX);
|
|
||||||
@@ -50,6 +53,11 @@
|
|
||||||
MPFR_ASSERTN (inex != 1 && inex != -1); /* integral part of f is
|
|
||||||
representable in r */
|
|
||||||
MPFR_ASSERTN (MPFR_IS_FP (r));
|
|
||||||
+
|
|
||||||
+ /* The flags from mpfr_rint are the wanted ones. In particular,
|
|
||||||
+ it sets the inexact flag when necessary. */
|
|
||||||
+ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
|
|
||||||
+
|
|
||||||
exp = mpfr_get_z_2exp (z, r);
|
|
||||||
if (exp >= 0)
|
|
||||||
mpz_mul_2exp (z, z, exp);
|
|
||||||
@@ -57,5 +65,7 @@
|
|
||||||
mpz_fdiv_q_2exp (z, z, -exp);
|
|
||||||
mpfr_clear (r);
|
|
||||||
|
|
||||||
+ MPFR_SAVE_EXPO_FREE (expo);
|
|
||||||
+
|
|
||||||
return inex;
|
|
||||||
}
|
|
||||||
diff -Naurd mpfr-3.1.6-a/src/mpfr.h mpfr-3.1.6-b/src/mpfr.h
|
|
||||||
--- mpfr-3.1.6-a/src/mpfr.h 2017-09-07 11:36:44.000000000 +0000
|
|
||||||
+++ mpfr-3.1.6-b/src/mpfr.h 2017-10-26 13:55:51.232013138 +0000
|
|
||||||
@@ -27,7 +27,7 @@
|
|
||||||
#define MPFR_VERSION_MAJOR 3
|
|
||||||
#define MPFR_VERSION_MINOR 1
|
|
||||||
#define MPFR_VERSION_PATCHLEVEL 6
|
|
||||||
-#define MPFR_VERSION_STRING "3.1.6"
|
|
||||||
+#define MPFR_VERSION_STRING "3.1.6-p1"
|
|
||||||
|
|
||||||
/* Macros dealing with MPFR VERSION */
|
|
||||||
#define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
|
|
||||||
diff -Naurd mpfr-3.1.6-a/src/version.c mpfr-3.1.6-b/src/version.c
|
|
||||||
--- mpfr-3.1.6-a/src/version.c 2017-09-07 11:36:44.000000000 +0000
|
|
||||||
+++ mpfr-3.1.6-b/src/version.c 2017-10-26 13:55:51.232013138 +0000
|
|
||||||
@@ -25,5 +25,5 @@
|
|
||||||
const char *
|
|
||||||
mpfr_get_version (void)
|
|
||||||
{
|
|
||||||
- return "3.1.6";
|
|
||||||
+ return "3.1.6-p1";
|
|
||||||
}
|
|
||||||
@ -1,111 +0,0 @@
|
|||||||
diff -Naurd mpfr-3.1.6-a/PATCHES mpfr-3.1.6-b/PATCHES
|
|
||||||
--- mpfr-3.1.6-a/PATCHES 2017-12-15 12:37:44.074256548 +0000
|
|
||||||
+++ mpfr-3.1.6-b/PATCHES 2017-12-15 12:37:44.146256304 +0000
|
|
||||||
@@ -0,0 +1 @@
|
|
||||||
+root
|
|
||||||
diff -Naurd mpfr-3.1.6-a/VERSION mpfr-3.1.6-b/VERSION
|
|
||||||
--- mpfr-3.1.6-a/VERSION 2017-10-26 13:55:51.236013121 +0000
|
|
||||||
+++ mpfr-3.1.6-b/VERSION 2017-12-15 12:37:44.142256319 +0000
|
|
||||||
@@ -1 +1 @@
|
|
||||||
-3.1.6-p1
|
|
||||||
+3.1.6-p2
|
|
||||||
diff -Naurd mpfr-3.1.6-a/src/mpfr.h mpfr-3.1.6-b/src/mpfr.h
|
|
||||||
--- mpfr-3.1.6-a/src/mpfr.h 2017-10-26 13:55:51.232013138 +0000
|
|
||||||
+++ mpfr-3.1.6-b/src/mpfr.h 2017-12-15 12:37:44.142256319 +0000
|
|
||||||
@@ -27,7 +27,7 @@
|
|
||||||
#define MPFR_VERSION_MAJOR 3
|
|
||||||
#define MPFR_VERSION_MINOR 1
|
|
||||||
#define MPFR_VERSION_PATCHLEVEL 6
|
|
||||||
-#define MPFR_VERSION_STRING "3.1.6-p1"
|
|
||||||
+#define MPFR_VERSION_STRING "3.1.6-p2"
|
|
||||||
|
|
||||||
/* Macros dealing with MPFR VERSION */
|
|
||||||
#define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
|
|
||||||
diff -Naurd mpfr-3.1.6-a/src/root.c mpfr-3.1.6-b/src/root.c
|
|
||||||
--- mpfr-3.1.6-a/src/root.c 2017-01-01 01:39:09.000000000 +0000
|
|
||||||
+++ mpfr-3.1.6-b/src/root.c 2017-12-15 12:37:44.118256398 +0000
|
|
||||||
@@ -107,6 +107,11 @@
|
|
||||||
MPFR_RET_NAN;
|
|
||||||
}
|
|
||||||
|
|
||||||
+ /* Special case |x| = 1. Note that if x = -1, then k is odd
|
|
||||||
+ (NaN results have already been filtered), so that y = -1. */
|
|
||||||
+ if (mpfr_cmpabs (x, __gmpfr_one) == 0)
|
|
||||||
+ return mpfr_set (y, x, rnd_mode);
|
|
||||||
+
|
|
||||||
/* General case */
|
|
||||||
|
|
||||||
/* For large k, use exp(log(x)/k). The threshold of 100 seems to be quite
|
|
||||||
@@ -188,6 +193,14 @@
|
|
||||||
Assume all special cases have been eliminated before.
|
|
||||||
In the extended exponent range, overflows/underflows are not possible.
|
|
||||||
Assume x > 0, or x < 0 and k odd.
|
|
||||||
+ Also assume |x| <> 1 because log(1) = 0, which does not have an exponent
|
|
||||||
+ and would yield a failure in the error bound computation. A priori, this
|
|
||||||
+ constraint is quite artificial because if |x| is close enough to 1, then
|
|
||||||
+ the exponent of log|x| does not need to be used (in the code, err would
|
|
||||||
+ be 1 in such a domain). So this constraint |x| <> 1 could be avoided in
|
|
||||||
+ the code. However, this is an exact case easy to detect, so that such a
|
|
||||||
+ change would be useless. Values very close to 1 are not an issue, since
|
|
||||||
+ an underflow is not possible before the MPFR_GET_EXP.
|
|
||||||
*/
|
|
||||||
static int
|
|
||||||
mpfr_root_aux (mpfr_ptr y, mpfr_srcptr x, unsigned long k, mpfr_rnd_t rnd_mode)
|
|
||||||
@@ -219,7 +232,8 @@
|
|
||||||
mpfr_log (t, absx, MPFR_RNDN);
|
|
||||||
/* t = log|x| * (1 + theta) with |theta| <= 2^(-w) */
|
|
||||||
mpfr_div_ui (t, t, k, MPFR_RNDN);
|
|
||||||
- expt = MPFR_GET_EXP (t);
|
|
||||||
+ /* No possible underflow in mpfr_log and mpfr_div_ui. */
|
|
||||||
+ expt = MPFR_GET_EXP (t); /* assumes t <> 0 */
|
|
||||||
/* t = log|x|/k * (1 + theta) + eps with |theta| <= 2^(-w)
|
|
||||||
and |eps| <= 1/2 ulp(t), thus the total error is bounded
|
|
||||||
by 1.5 * 2^(expt - w) */
|
|
||||||
diff -Naurd mpfr-3.1.6-a/src/version.c mpfr-3.1.6-b/src/version.c
|
|
||||||
--- mpfr-3.1.6-a/src/version.c 2017-10-26 13:55:51.232013138 +0000
|
|
||||||
+++ mpfr-3.1.6-b/src/version.c 2017-12-15 12:37:44.142256319 +0000
|
|
||||||
@@ -25,5 +25,5 @@
|
|
||||||
const char *
|
|
||||||
mpfr_get_version (void)
|
|
||||||
{
|
|
||||||
- return "3.1.6-p1";
|
|
||||||
+ return "3.1.6-p2";
|
|
||||||
}
|
|
||||||
diff -Naurd mpfr-3.1.6-a/tests/troot.c mpfr-3.1.6-b/tests/troot.c
|
|
||||||
--- mpfr-3.1.6-a/tests/troot.c 2017-01-01 01:39:09.000000000 +0000
|
|
||||||
+++ mpfr-3.1.6-b/tests/troot.c 2017-12-15 12:37:44.118256398 +0000
|
|
||||||
@@ -405,6 +405,26 @@
|
|
||||||
mpfr_clears (x, y1, y2, (mpfr_ptr) 0);
|
|
||||||
}
|
|
||||||
|
|
||||||
+static void
|
|
||||||
+bug20171214 (void)
|
|
||||||
+{
|
|
||||||
+ mpfr_t x, y;
|
|
||||||
+ int inex;
|
|
||||||
+
|
|
||||||
+ mpfr_init2 (x, 805);
|
|
||||||
+ mpfr_init2 (y, 837);
|
|
||||||
+ mpfr_set_ui (x, 1, MPFR_RNDN);
|
|
||||||
+ inex = mpfr_root (y, x, 120, MPFR_RNDN);
|
|
||||||
+ MPFR_ASSERTN (inex == 0);
|
|
||||||
+ MPFR_ASSERTN (mpfr_cmp_ui (y, 1) == 0);
|
|
||||||
+ mpfr_set_si (x, -1, MPFR_RNDN);
|
|
||||||
+ inex = mpfr_root (y, x, 121, MPFR_RNDN);
|
|
||||||
+ MPFR_ASSERTN (inex == 0);
|
|
||||||
+ MPFR_ASSERTN (mpfr_cmp_si (y, -1) == 0);
|
|
||||||
+ mpfr_clear (x);
|
|
||||||
+ mpfr_clear (y);
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
int
|
|
||||||
main (void)
|
|
||||||
{
|
|
||||||
@@ -415,6 +435,7 @@
|
|
||||||
|
|
||||||
tests_start_mpfr ();
|
|
||||||
|
|
||||||
+ bug20171214 ();
|
|
||||||
exact_powers (3, 1000);
|
|
||||||
special ();
|
|
||||||
bigint ();
|
|
||||||
Loading…
Reference in new issue