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BIN
mpfr-4.1.0.tar.xz
Normal file
BIN
mpfr-4.1.0.tar.xz
Normal file
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15
mpfr.spec
15
mpfr.spec
@ -1,18 +1,15 @@
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Name: mpfr
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Version: 3.1.6
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Release: 3
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Version: 4.1.0
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Release: 1
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Summary: A C library for multiple-precision floating-point computations
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URL: http://www.mpfr.org/
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License: LGPLv3+ and GPLv3+ and GFDL
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BuildRequires: autoconf libtool gmp-devel gcc git
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BuildRequires: autoconf libtool gmp-devel gcc git mpfr
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Requires: /sbin/ldconfig
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Requires: gmp >= 4.2.3
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Source0: http://www.mpfr.org/%{name}-%{version}/%{name}-%{version}.tar.xz
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Patch0: rev11783.patch
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Patch1: rev11982.patch
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%description
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MPFR is a C library for arbitrary-precision binary floating-point computation
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with correct rounding, based on Multi-Precision Library. The computation is
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@ -48,6 +45,8 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/libmpfr.la
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rm -f $RPM_BUILD_ROOT%{_infodir}/dir
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rm -f $RPM_BUILD_ROOT%{_pkgdocdir}/COPYING $RPM_BUILD_ROOT%{_pkgdocdir}/COPYING.LESSER
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cp -a %{_libdir}/libmpfr.so.4 $RPM_BUILD_ROOT%{_libdir}
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cp -a %{_libdir}/libmpfr.so.4.1.6 $RPM_BUILD_ROOT%{_libdir}
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%check
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make %{?_smp_mflags} check
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@ -78,7 +77,11 @@ fi
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%{_libdir}/libmpfr.so
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%{_includedir}/*.h
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%{_infodir}/mpfr.info*
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%{_libdir}/pkgconfig/mpfr.pc
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%changelog
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* Fri Jul 24 2020 jinzhimin<jinzhimin2@huawei.com> - 4.1.0-1
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- update to 4.1.0
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* Tue Aug 13 2019 openEuler Buildteam <buildteam@openeuler.org> - 3.1.6-3
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- Package init
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285
rev11783.patch
285
rev11783.patch
@ -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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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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@@ -76,6 +83,8 @@
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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_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
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+++ 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 @@
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int inex;
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mpfr_t r;
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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_IS_SINGULAR (f)))
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{
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@@ -41,6 +42,8 @@
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return 0;
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}
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+ MPFR_SAVE_EXPO_MARK (expo);
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+
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exp = MPFR_GET_EXP (f);
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/* if exp <= 0, then |f|<1, thus |o(f)|<=1 */
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MPFR_ASSERTN (exp < 0 || exp <= MPFR_PREC_MAX);
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@@ -50,6 +53,11 @@
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MPFR_ASSERTN (inex != 1 && inex != -1); /* integral part of f is
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representable in r */
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MPFR_ASSERTN (MPFR_IS_FP (r));
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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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exp = mpfr_get_z_2exp (z, r);
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if (exp >= 0)
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mpz_mul_2exp (z, z, exp);
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@@ -57,5 +65,7 @@
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mpz_fdiv_q_2exp (z, z, -exp);
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mpfr_clear (r);
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+ MPFR_SAVE_EXPO_FREE (expo);
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+
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return inex;
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}
|
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diff -Naurd mpfr-3.1.6-a/src/mpfr.h mpfr-3.1.6-b/src/mpfr.h
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--- mpfr-3.1.6-a/src/mpfr.h 2017-09-07 11:36:44.000000000 +0000
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+++ mpfr-3.1.6-b/src/mpfr.h 2017-10-26 13:55:51.232013138 +0000
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@@ -27,7 +27,7 @@
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#define MPFR_VERSION_MAJOR 3
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#define MPFR_VERSION_MINOR 1
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#define MPFR_VERSION_PATCHLEVEL 6
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-#define MPFR_VERSION_STRING "3.1.6"
|
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+#define MPFR_VERSION_STRING "3.1.6-p1"
|
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|
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/* Macros dealing with MPFR VERSION */
|
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#define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
|
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diff -Naurd mpfr-3.1.6-a/src/version.c mpfr-3.1.6-b/src/version.c
|
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--- mpfr-3.1.6-a/src/version.c 2017-09-07 11:36:44.000000000 +0000
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+++ mpfr-3.1.6-b/src/version.c 2017-10-26 13:55:51.232013138 +0000
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@@ -25,5 +25,5 @@
|
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const char *
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mpfr_get_version (void)
|
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{
|
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- return "3.1.6";
|
||||
+ return "3.1.6-p1";
|
||||
}
|
||||
111
rev11982.patch
111
rev11982.patch
@ -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…
x
Reference in New Issue
Block a user