We are pleased to announce the release of GNU MPC 1.0 "Fagus silvatica". GNU MPC is a C library for the arithmetic of complex numbers with arbitrarily high precision and correct rounding of the result. "Fagus silvatica" is our first release as a GNU package, and it is marked by a license change to LGPL version 3 or later for the code, and GFDL version 1.3 or later (without invariant sections) for the documentation. Now each line of code is covered by a test.
The new function mpc_log10, and the convenience functions mpc_mul_2si and mpc_div_2si have been added, and mpc_fma has been optimised to offer comparable speed to a multiplication followed by an addition (while keeping the GNU MPC semantics of assuring the correctness of the result to the last bit). The functions mpc_div and mpc_norm have been rewritten to return a value indicating the effective rounding direction, as do the other functions. Several functions have been improved to return a correct, representable result even in the presence of intermediate over- or underflows during the sequence of computations. A few build problems discovered in the 0.9 release have been addressed in the configuration script. We thank all testers who sent us installation reports with the release candidate and thus made this release possible. To download GNU MPC 1.0, please go to http://www.multiprecision.org/index.php?prog=mpc&page=download The file mpc-1.0.tar.gz has a SHA1 hash value of 20af7cc481433c019285a2c1757ac65e244e1e06 , and its GnuPG signature is attached to this announcement. Please let us know of any issues you may encounter on the GNU MPC mailing list at mpc-disc...@lists.gforge.inria.fr . Happy coding! Andreas, for the GNU MPC development team
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