Olds

Version 1.2.1, "Hyacinthus orientalis", released in October 2020, comes with the following new features:

• Bug fixes:
  • Fix an incompatibility problem with GMP 6.0 and before.
  • Fix an intermediate overflow in asin.

Version 1.2.0, "Hyacinthus orientalis", released in August 2020, comes with the following new features:

• Minimally required library version: mpfr 4.1.0
• New functions:
  • mpc_sum
  • mpc_dot
• Several functions are more robust with a reduced exponent range (for example corresponding to IEEE 754 binary formats).
• New mpcheck tool for comparison with the native C library

Version 1.1.0, "Gladiolus palustris", released in January 2018, comes with the following new features:

• Minimally required library versions: gmp 5.0.0, mpfr 3.0.0
• New functions:
  • mpc_cmp_abs
  • mpc_rootofunity
• Rewrite of the testing framework
• New mpcbench tool, used with make bench
• Bug fixes and improvements of existing functions:
  • Fixed compilation with mpfr 4.0.0
  • Fixed handling of over- and underflows with directed rounding in the "other direction" for mpc_cos, mpc_sin, mpc_exp and mpc_pow
  • Fixed a bug in mpc_atan(0,y) with |y| near 1

Version 1.0.3, "Fagus silvatica", released in February 2015, comes with the following bug fixes:

• Fixed mpc_pow
• Switched to libtool 2.4.5

The third MPFR/MPC developer meeting has been held in Nancy from January 20 to 22, 2014.

Version 1.0.2, "Fagus silvatica", released in January 2014, comes with the following bug fixes:

• Fixed mpc_atan, mpc_atanh for (+-0, +-1)
• Fixed mpc_log10 for purely imaginary argument

Version 1.0.1, "Fagus silvatica", released in September 2012, comes with the following bug fixes:

• Switched to automake 1.11.6, see CVE-2012-3386
• Fixed extraction of CC from gmp.h
• Fixed case of intermediate zero real or imaginary part in mpc_fma, found by hydra with GMP_CHECK_RANDOMIZE=1346362345

Version 1.0, "Fagus silvatica", released in July 2012, comes with the following new features:

• First release as a GNU package
• Licence change towards LGPLv3+ for the code and GFDLv1.3+ (with no invariant sections) for the documentation
• 100% of all lines are covered by tests
• Renamed functions
  • mpc_mul_2exp to mpc_mul_2ui
  • mpc_div_2exp to mpc_div_2ui
• 0^0, which returned (NaN,NaN) previously, now returns (1,+0)
• Removed compatibility with K&R compilers, which was untestable due to lack of such compilers
• New functions
  • mpc_log10
  • mpc_mul_2si, mpc_div_2si
• Speed-ups
  • mpc_fma
• Bug fixes
  • mpc_div and mpc_norm now return a value indicating the effective rounding direction, as the other functions
  • mpc_mul, mpc_sqr and mpc_norm now return correct results even if there are over- or underflows during the computation
  • mpc_asin, mpc_proj, mpc_sqr: Wrong result when input variable has infinite part and equals output variable is corrected
  • mpc_fr_sub: Wrong return value for imaginary part is corrected

The second MPFR/MPC developer meeting has been held in Bordeaux from June 25 to 27, 2012.

Version 0.9, "Epilobium montanum", released in February 2011, comes with the following new features:

• New functions
  • mpc_set_dc, mpc_set_ldc, mpc_get_dc, mpc_get_ldc for converting between mpc type variables and C variables of type double _Complex or long double _Complex
  • mpc_sin_cos, computing simultaneously the sine and cosine
• Speed-ups
  • mpc_pow_si through binary exponentiation
  • mpc_pow_z when the exponent fits in a long
  • mpc_tan through the use of mpc_sin_cos
• Bug fixes
  • trigonometric functions: infinite loop due to overflow for large arguments
  • exp: close to infinite loop for argument close to 0
  • sqrt: close to infinite loop for argument close to 1
  • add_si: replaced macro by function, since the macro evaluated the same expression twice
• Logging feature for debugging
  ./configure --enable-logging
#include "mpc-log.h" instead of #include "mpc.h"
• Minimally required library versions: gmp 4.3.2, mpfr 2.4.2

Version 0.8.2, "Dianthus deltoides", released in May 2010, comes with the following new features:

• Speed-up of mpc_pow_ui through binary exponentiation

Version 0.8.1, "Dianthus deltoides", released in December 2009, comes with the following new features:

• Bug fixes:
  • acosh, asinh, atanh: swap of precisions between real and imaginary parts
  • atan: memory leak
  • log: wrong ternary value in data file; masked by bug in MPFR 2.4.1

Version 0.8, "Dianthus deltoides", released in November 2009, comes with the following new features:

• New functions:
  • Inverse trigonometric functions: mpc_asin, mpc_acos, mpc_atan, mpc_asinh, mpc_acosh, mpc_atanh
  • Power functions: mpc_pow_d, mpc_pow_ld, mpc_pow_si, mpc_pow_ui, mpc_pow_z, mpc_pow_fr
• Bug fixes:
  • ui_div: real divisor

Version 0.7, "Campanula uniflora", released in September 2009, comes with the following new features:

• New functions: mpc_pow, mpc_set_nan, mpc_swap
• Bug fixes:
  • log: along branch cut
  • norm: infinite loop in case of overflow
  • ui_div, div, fr_div: handling of division by 0 and infinities following the example code of the C99 standard
  • compilation with g++
• Makefile.vc updated (thanks to Mickael Gastineau)
• Minimal gmp version is 4.2
• Changed MPC_SET_X_Y macro
• Functions mpc_random and mpc_random2 removed

Version 0.6, "Bellis perennis", released in April 2009, comes with the following new features:

• New functions: mpc_get_str, mpc_set_str, mpc_strtoc, mpc_set_uj, mpc_set_sj, mpc_set_ld, mpc_set_ld_ld, mpc_set_si_si, mpc_set_uj, mpc_set_sj, mpc_set_uj_uj, mpc_set_sj_sj, mpc_set_f, mpc_set_f_f, mpc_set_q, mpc_set_q_q, mpc_set_z, mpc_set_z_z and mpc_free_str
• New macro: MPC_SET_X_Y
• mpc_set_ui_fr removed
• Default precision removed, as well as init and all init_set combinations; use init2 and init3, followed by set, instead
• exp, log, cos, sin, tan, cosh, sinh, tanh and sqrt return inexact value
• inp_str returns inexact value and the number of read characters in an additional parameter
• Get default $CC and $CFLAGS from gmp.h (__GMP_CC/__GMP_CFLAGS, which are available as of GMP 4.2.3)
• Bug fixes:
  • mpc_get_version and MPC_VERSION_STRING agree
  • Compilation on i686-pc-cygwin and i686-pc-mingw32 fixed

Version 0.5.2, "Aconitum neomontanum", released in December 2008, comes with the following new features:

• New macros
  • Version number: MPC_VERSION, MPC_VERSION_NUM
• Updated Makefile.vc (thanks to Mickaël Gastineau)
• Compilation fixes for Debian-Gnu-Linux-PowerPC and MacOsX (thanks to Laurent Fousse and Mickaël Gastineau)

Version 0.5.1, "Aconitum neomontanum", released in November 2008, comes with the following new features:

• New functions
  • set_fr_fr
  • real, imag
  • arg, proj
• New macros
  • Version number: MPC_VERSION_MAJOR, MPC_VERSION_MINOR, MPC_VERSION_PATCHLEVEL, MPC_VERSION_STRING
  • References to number parts: realref, imagref
• Rewritten test framework, leading to many...
• Bug fixes
  • configure looks for gmp (>= 4.2) first, then for mpfr (>= 2.3.1)
  • cos, div, div_fr, fr_sub, mul_fr, set_fr, sqr
  • fixed handling of special values: exp, log, mul, norm, sqr, sqrt
• Optimisations: mul_fr, sin, cos
• New configure options: --with-gmp-lib, --with-gmp-include, --with-mpfr-lib, --with-mpfr-include
• Export declarations for MSWindows, makefile.vc updated (contributed by Mickaël Gastineau)