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libarb2-2.23.0-1.2 RPM for x86_64

From OpenSuSE Tumbleweed for x86_64

Name: libarb2 Distribution: openSUSE Tumbleweed
Version: 2.23.0 Vendor: openSUSE
Release: 1.2 Build date: Wed Aug 31 14:56:42 2022
Group: System/Libraries Build host: old-cirrus4
Size: 3093824 Source RPM: arb-2.23.0-1.2.src.rpm
Summary: Arbitrary-precision floating-point ball arithmetic library
Arb is a C library for arbitrary-precision floating-point ball
(mid-rad interval) arithmetic. It supports complex numbers,
polynomials, matrices, and evaluation of special functions, with
error bounding.




GPL-2.0-or-later AND LGPL-2.1-or-later


* Tue Jul 05 2022 Jan Engelhardt <>
  - Update to release 2.23.0
    * Threaded computation of Hilbert class polynomials
* Thu Apr 21 2022 Jan Engelhardt <>
  - Update to release 2.22.1
    * Much faster computation of Bernoulli numbers using hybrid
      numerical-modular algorithm.
    * Faster computation of Euler numbers using hybrid algorithm;
      added arb_fmpz_euler_number_ui.
    * Added inverse error function (arb_hypgeom_erfinv,
    * New (faster, more accurate) implementations of real error
      functions (arb_hypgeom_erf, arb_hypgeom_erfc) and
      trigonometric integrals (arb_hypgeom_si, arb_hypgeom_ci).
    * Use arb-based printing code instead of MPFR in arf_printd and
      mag_printd so that large exponents work.
* Fri Oct 29 2021 Jan Engelhardt <>
  - Update to release 2.21.0
    * Experimental new arb_fpwrap module: accurate floating-point
      wrappers of Arb mathematical functions (supersedes the
      external arbcmath.h).
    * Fixed memory leak in arf_load_file.
    * New and faster gamma function code.
    * Most gamma function internals are now located in the
      arb_hypgeom and acb_hypgeom modules. The user-facing
      functions (arb_gamma, etc.) are still available under the old
      names for compatibility. The internal algorithms for rising
      factorials (binary splitting, etc.) have been moved without
    * Added arb_fma, arb_fma_arf, arb_fma_ui (like addmul, but take
      a separate input and output).
    * Slightly faster internal Bernoulli number generation for small n.
    * Better enclosures for acb_barnes_g at negative reals.
    * Added Graeffe transforms (arb_poly_graeffe_transform,
    * Added acb_add_error_arb.
* Thu Dec 24 2020 Jan Engelhardt <>
  - Update to release 2.19.0
    * Significant improvements to the implementation of Platt's
      algorithm for computing Riemann zeta function zeros at large
    * Better criterion for selecting asymptotic expansion of
      incomplete gamma function (contributed by p15-git-acc).
    * Multithreaded acb_dft for power-of-two lengths.
    * Added acb_csc_pi, arb_csc_pi.
    * Fixed segfault in acb_mat_eig_simple_rump when called with L
      non-NULL and R NULL.
    * Fixed bug in acb_real_abs.
    * Changed several functions to more consistently return
      infinities instead of NaNs where reasonable.
    * Added Fransen-Robinson as an integral example.
* Sun Aug 30 2020 Jan Engelhardt <>
  - Update to release 2.18.1
    * Faster and more accurate real matrix multiplication using
      block decomposition, scaling, and multiplying via FLINT
      integer matrices in combination with safe use of doubles for
      radius matrix multiplications.
    * New C functions for Riemann zeta function.
    * For more, see the history.rst file in the arb-devel subpackage.
* Mon Apr 30 2018
  - Update to new upstream release 2.13.0
    * Fixed rounding direction in arb_get_abs_lbound_arf() which in
      some cases could result in an invalid lower bound being
* Sat Feb 10 2018
  - Update to new upstream release 2.12.0
* Wed Feb 05 2014
  - Update to new upstream snapshot 1.0.0+git7
* Fri May 17 2013
  - Initial package (version 0.5+git28) for



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Fabrice Bellet, Wed Jan 25 23:42:09 2023