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Diffstat (limited to 'mpfr/NEWS')
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1 files changed, 329 insertions, 0 deletions
diff --git a/mpfr/NEWS b/mpfr/NEWS new file mode 100644 index 0000000000..d65b244d3e --- /dev/null +++ b/mpfr/NEWS @@ -0,0 +1,329 @@ +Copyright 2000-2016 Free Software Foundation, Inc. +Contributed by the AriC and Caramba projects, INRIA. + +This file is part of the GNU MPFR Library. + +The GNU MPFR Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 3 of the License, or (at your +option) any later version. + +The GNU MPFR Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public +License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see +http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., +51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + +############################################################################## + +Changes from version 3.1.4 to version 3.1.5: +- C++11 compatibility. +- Bug fixes (see <http://www.mpfr.org/mpfr-3.1.4/#fixed> and ChangeLog file). +- More tests. + +Changes from version 3.1.3 to version 3.1.4: +- Improved MPFR manual. +- Bug fixes (see <http://www.mpfr.org/mpfr-3.1.3/#fixed> and ChangeLog file). +- MinGW (MS Windows): Added support for thread-safe DLL (shared library). + +Changes from version 3.1.2 to version 3.1.3: +- Better support for Automake 1.13+ (now used to generate the tarball). +- Improved MPFR manual. +- Bug fixes (see <http://www.mpfr.org/mpfr-3.1.2/#fixed> and ChangeLog file). + +Changes from version 3.1.1 to version 3.1.2: +- Bug fixes (see <http://www.mpfr.org/mpfr-3.1.1/#fixed> or ChangeLog file). +- Updated examples to the MPFR 3.x API. +- Note: The official tarballs for MPFR up to 3.1.1 were affected by a + vulnerability for "make distcheck" due to a bug in old GNU Automake + versions: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3386 + +Changes from version 3.1.0 to version 3.1.1: +- Improved MPFR manual. +- Test coverage: 96.5% lines of code. +- Bug fixes (see <http://www.mpfr.org/mpfr-3.1.0/#fixed> or ChangeLog file). + +Changes from versions 3.0.* to version 3.1.0: +- The "canard à l'orange" release. +- The MPFR source has been reorganized. +- Dropped ansi2knr support. +- TLS support is now detected automatically. If TLS is supported, MPFR is + built as thread safe by default. To disable TLS explicitly, configure + MPFR with --disable-thread-safe. +- New --enable-gmp-internals configure option to use GMP's undocumented + functions (not from the public API). Note that library versioning is + not guaranteed to work if this option is used. +- The mpfr_urandom and mpfr_urandomb functions now return identical values + on processors with different word size (assuming the same random seed, and + since the GMP random generator does not depend itself on the word size, + cf http://gmplib.org/list-archives/gmp-devel/2010-September/001642.html). +- The mpfr_add_one_ulp and mpfr_sub_one_ulp macros (which are obsolete and + no more documented) will be removed in a future release. +- Speed improvement for the mpfr_sqr and mpfr_div functions using Mulders' + algorithm. As a consequence, other functions using those routines are + also faster. +- Much faster formatted output (mpfr_printf, etc.) with %Rg and similar. +- The --with-gmp-build configure option can now be used when the GMP + source directory and the GMP build directory are different (without + having to copy header files manually as before). +- New functions mpfr_buildopt_gmpinternals_p, mpfr_buildopt_tune_case, + mpfr_frexp, mpfr_grandom and mpfr_z_sub. +- New divide-by-zero exception (flag) and associated functions. +- The mpfr.h header can be included several times, while still supporting + optional functions (see Section "Headers and Libraries" in the manual). +- Updated tuning parameters. +- Improved MPFR manual. +- MPFR tests: libtool no longer generates wrapper scripts with "make check" + (so that running the tests under valgrind or gdb is easier). +- Internal change: the logging mechanism has been improved. +- Test coverage: 95.2% lines of code. +- Bug fixes, in particular a huge inefficiency in mpfr_exp (when the + target precision is less than MPFR_EXP_THRESHOLD) on hard-to-round + cases, which can take several minutes. + Note: The mpfr_subnormalize implementation up to MPFR 3.0.0 did not change + the flags. In particular, it did not follow the generic rule concerning + the inexact flag (and no special behavior was specified). The case of the + underflow flag was more a lack of specification. + +Changes from versions 2.4.* to version 3.0.0: +- The "boudin aux pommes" release. +- MPFR 3.0.0 is binary incompatible with previous versions but (almost) + API compatible. More precisely the obsolete functions mpfr_random + and mpfr_random2 have been removed, the meaning of the return type + of the function mpfr_get_f has changed, and the return type of the + function mpfr_get_z is now int instead of void. In practice, this + should not break any existing code. +- MPFR is now distributed under the GNU Lesser General Public License + version 3 or later (LGPL v3+). +- Rounding modes GMP_RNDx are now MPFR_RNDx (GMP_RNDx kept for + compatibility). +- A new rounding mode (MPFR_RNDA) is available to round away from zero. +- The rounding mode type is now mpfr_rnd_t (as in previous versions, + both mpfr_rnd_t and mp_rnd_t are accepted, but mp_rnd_t may be + removed in the future). +- The precision type is now mpfr_prec_t (as in previous versions, both + mpfr_prec_t and mp_prec_t are accepted, but mp_prec_t may be removed + in the future) and it is now signed (it was unsigned in MPFR 2.*, but + this was not documented). In practice, this change should not affect + existing code that assumed nothing on the precision type. +- MPFR now has its own exponent type mpfr_exp_t, which is currently + the same as GMP's mp_exp_t. +- Functions mpfr_random and mpfr_random2 have been removed. +- mpfr_get_f and mpfr_get_z now return a ternary value. +- mpfr_strtofr now accepts bases from 37 to 62. +- mpfr_custom_get_mantissa was renamed to mpfr_custom_get_significand + (mpfr_custom_get_mantissa is still available via a #define). +- Functions mpfr_get_si, mpfr_get_ui, mpfr_get_sj, mpfr_get_uj, + mpfr_get_z and mpfr_get_z_2exp no longer have cases with undefined + behavior; in these cases, the behavior is now specified, and in + particular, the erange flag is set. +- New functions mpfr_buildopt_tls_p and mpfr_buildopt_decimal_p giving + information about options used at MPFR build time. +- New function mpfr_regular_p. +- New function mpfr_set_zero. +- New function mpfr_digamma. +- New function mpfr_ai (incomplete, experimental). +- New functions mpfr_set_flt and mpfr_get_flt to convert from/to the + float type. +- New function mpfr_urandom. +- New function mpfr_set_z_2exp (companion to mpfr_get_z_2exp, which + was renamed from mpfr_get_z_exp in previous versions). +- New function mpfr_min_prec. +- Speed improvement for large precisions in the trigonometric functions + (mpfr_sin, mpfr_cos, mpfr_tan, mpfr_sin_cos): speedup of about 2.5 + for 10^5 digits, of about 5 for 10^6 digits. +- Speed improvement for large precisions of the inverse trigonometric + functions (arcsin, arccos, arctan): about 2 for 10^3 digits, up to + 2.7 for 10^6 digits. +- Some documentation files are installed in $docdir. +- The detection of a GMP build directory (more precisely, the internal + header files of GMP) was previously done separately from the use of + the --with-gmp-build configure option. This was not consistent with + the documentation and with other parts of the configure script. So, + as of MPFR 3.0.0, the internal header files of GMP are now used if + and only if the --with-gmp-build configure option is given. +- The configure script recognizes some extra "long double" formats + (double big endian, double little endian, double-double big endian). +- MPFR manual: added "API Compatibility" section. +- Test coverage: 97.1% lines of code. +- Bug fixes. + +Changes from versions 2.3.* to version 2.4.0: +- The "andouillette sauce moutarde" release. +- MPFR is now a GNU package. +- Changes in the behavior of mpfr_strtofr and in its documentation + concerning particular cases where the code and the documentation + did not match; this change is also present in MPFR 2.3.1. +- Behavior of mpfr_check_range changed: if the value is an inexact + infinity, the overflow flag is set (in case it was lost); this + change is also present in MPFR 2.3.2. +- Function mpfr_init_gmp_rand (only defined when building MPFR without + the --with-gmp-build configure option) is no longer defined at all. + This function was private and not documented, and was used only in + the MPFR test suite. User code that calls it is regarded as broken + and may fail as a consequence. Running the old test suite against + MPFR 2.4.0 may also fail. +- New functions: + * between a MPFR number and a double: mpfr_add_d, mpfr_sub_d, + mpfr_d_sub, mpfr_mul_d, mpfr_div_d, mpfr_d_div, + * formatted input/output: + mpfr_printf, mpfr_fprintf, mpfr_vprintf, mpfr_vfprintf, + mpfr_sprintf, mpfr_snprintf, mpfr_vsprintf, mpfr_vsnprintf, + mpfr_asprintf, mpfr_vasprintf. + * mpfr_sinh_cosh, mpfr_li2, mpfr_modf, mpfr_fmod, mpfr_rec_sqrt. +- Configure test for TLS support. +- Get default $CC and $CFLAGS from gmp.h (__GMP_CC / __GMP_CFLAGS, + which are available as of GMP 4.2.3). +- Documented the fact that mpfr_random and mpfr_random2 will be + suppressed in the next release, and that the specification of + mpfr_eq may change in the next release (for compatibility with + the mpf layer of GMP). +- Test coverage: 96.7% lines of code. +- Bug fixes. + +Changes from versions 2.2.* to version 2.3.0: +- The mpfr.info file is now installed in the share subdirectory + (as required by the Filesystem Hierarchy Standard); see output + of "./configure --help". +- The shared library is now enabled by default. If the MPFR build + fails on your platform, try the --disable-shared configure option + to disable the shared library. +- Thread-safe support with Microsoft Visual compiler. +- New functions mpfr_j0, mpfr_j1, mpfr_jn, mpfr_y0, mpfr_y1, mpfr_yn, + mpfr_lgamma, mpfr_remainder, mpfr_remquo, mpfr_fms, mpfr_signbit, + mpfr_setsign, mpfr_copysign, mpfr_get_patches. +- Functions mpfr_sin, mpfr_cos and mpfr_sin_cos improved (argument + reduction). +- More detailed MPFR manual. +- Improved tests (make check). +- Bug fixes. + +Changes from versions 2.1.* to version 2.2.0: +- Bug fixes. +- new functions mpfr_set_overflow, mpfr_set_underflow, mpfr_set_inexflag, + mpfr_set_erangeflag, mpfr_set_nanflag, mpfr_erfc, mpfr_atan2, mpfr_pow_z, + mpfr_subnormalize, mpfr_const_catalan, mpfr_sec, mpfr_csc, mpfr_cot, + mpfr_root, mpfr_eint, mpfr_get_f, mpfr_sech, mpfr_csch, mpfr_coth, + mpfr_lngamma. +- new macro: MPFR_VERSION_STRING +- Remove the exported MPFR variables from mpfr.h to mpfr-impl.h. + (They were undocumented, so programs which respect the API still work). +- Grep CC and CFLAGS from GMP Makefile if possible. +- Math functions are faster (both average and worst cases). +- Better support for long double. +- Shared library of MPFR. +- Binary compatible with previous versions if you do not use undocumented + features. +- Thread safe (if built with --enable-thread-safe). +- Logging facility. +- Change in the semantics of mpfr_out_str/mpfr_get_str when n_digits=0. +- Better locale support. + +Changes from version 2.1.0 to version 2.1.1: +- Better way to detect the GMP library. +- Bug fixes. + +Changes from version 2.0.3 to version 2.1.0: +- Bug fixes. +- new functions mpfr_strtofr, mpfr_set_uj, mpfr_set_sj, mpfr_set_ui_2exp, + mpfr_set_si_2exp, mpfr_set_sj_2exp, mpfr_set_uj_2exp, mpfr_get_uj, + mpfr_get_sj, mpfr_get_z, mpfr_free_str, mpfr_si_sub, mpfr_sub_si, + mpfr_mul_si, mpfr_si_div, mpfr_div_si, mpfr_sqr, mpfr_cmp_z, mpfr_cmp_q, + mpfr_zero_p, mpfr_free_cache, mpfr_sum, mpfr_get_version, + mpfr_get_default_rounding_mode, mpfr_get_emin_min, mpfr_get_emin_max, + mpfr_get_emax_min, mpfr_get_emax_max, mpfr_inits, mpfr_inits2, mpfr_clears, + mpfr_fits_intmax_p, mpfr_fits_uintmax_p, mpfr_clear_erangeflag, + mpfr_erangeflag_p, mpfr_rint_round, mpfr_rint_trunc, mpfr_rint_ceil, + mpfr_rint_floor. +- new macros MPFR_DECL_INIT, MPFR_VERSION, MPFR_VERSION_NUM, + MPFR_VERSION_MAJOR, MPFR_VERSION_MINOR, MPFR_VERSION_PATCHLEVEL. +- improved documentation. +- improved configure. +- improved portability (library and test suite). +- It handles correctly non IEEE-754 double. +- GMP internal files are not needed to install MPFR. +- It is faster with low-precision floating point. +- New global flag: ERANGE_FLAG. +- Binary incompatible with previous versions, but API compatible. +- mpfr_set_str doesn't allow anymore "@NAN@garbagechar" and "@INF@garbagechar", + allows base 0 (detection of the base), prefix (0x, 0b), leading whitespace. + +Changes from version 2.0.2 to version 2.0.3: +- Bug fixes. +- Support GMP as a shared library (not fully tested). + +Changes from version 2.0.1 to version 2.0.2: +- many bug fixes and other improvements. +- new functions mpfr_prec_round (replaces mpfr_round_prec), mpfr_get_exp, + mpfr_set_exp, mpfr_get_ld, mpfr_set_ld, mpfr_get_d_2exp, mpfr_get_si, + mpfr_get_ui, mpfr_nextabove, mpfr_nextbelow, mpfr_nexttoward, mpfr_frac, + mpfr_fits_*, mpfr_cmp_d, mpfr_cmpabs, mpfr_erf, mpfr_gamma, mpfr_zeta, + mpfr_greater_p, mpfr_greaterequal_p, mpfr_less_p, mpfr_lessequal_p, + mpfr_lessgreater_p, mpfr_equal_p, mpfr_unordered_p. +- removed functions: mpfr_print_binary, mpfr_round_prec (replaced by + mpfr_prec_round), mpfr_set_str_raw, mpfr_set_machine_rnd_mode. +- function mpfr_isinteger renamed mpfr_integer_p. +- return type of some functions changed from void to int, for consistency. +- return type of mpfr_set_prec changed from int to void. +- new values for exponent range. +- rename internal variables. + +Changes from version 2001 to version 2.0.1: +- new mathematical functions: acos, acosh, asin, asinh, atan, atanh, cosh, + base-2 exponential and logarithm, base-10 logarithm, expm1, factorial, + pow, pow_si, pow_ui, sinh, tan, tanh, ui_pow, ui_pow_ui +- other new functions: mpfr_const_euler, mpfr_dim, mpfr_fma, mpfr_hypot, + mpfr_min, mpfr_max, mpfr_rint, mpfr_set_inf, mpfr_set_nan +- new operations with MPZ or MPQ: mpfr_{add,sub,mul,div}_[zq] +- new predicates: mpfr_inf_p, mpfr_nan_p, mpfr_number_p, mpfr_isinteger, +- add mechanism to set/check exponent range (overflow, underflow), partially + implemented in the mpfr functions. +- efficiency: mpfr_div is now faster when the divisor has a few limbs +- rounding: now mpfr_pow implements exact rounding, and most functions return a + ternary value indicating the position of the returned value wrt the exact one + (thus the return value is now 'int' instead of 'void') +- complete rewrite of the configuration files +- mpfr_get_d, mpfr_{add,sub}_one_ulp now get a rounding mode as 2nd argument +- some function names did change: mpz_set_fr is now mpfr_get_z_exp, + mpfr_print_raw is now mpfr_print_binary. + +Changes from version 1.0 to version 2001: +- the default installation does not provide any more access to machine + rounding mode, and as a consequence does not compare MPFR results with + precision=53 to machine results. Add option -DTEST if you want to have + access to machine rounding mode, and to check MPFR results against. +- the MPFR files do not need <math.h> any more +- the header file <mpfr.h> was split into <mpfr.h> for exported functions + and <mpfr-impl.h> for internal functions. The user should not use functions + or macros from <mpfr-impl.h>, since those may change in further releases. +- <mpfr.h> was modified in order to make easy a C++ interface +- MPFR now deals with infinities (+infinity and -infinity) and NaN +- the missing function mpfr_swap is now available +- mpfr_zeta was removed (was incomplete) +- mpfr_init and mpfr_init2 now initialize the corresponding variable to 0 + (like in other initialization functions from GNU MP) +- in case memory allocation fails, an error message is output +- several bugs of version 1.0 were fixed + +Changes from version 0.4 to version 1.0: + +- Version 1.0 now uses a standard configure/make installation. +- Version 1.0 implements all functions that are available in the MPF class + from GMP 3.1 (except mpf_swap) and a header file mpf2mpfr.h is included in + the distribution for easy change from MPF to MPFR. +- Version 1.0 implements new elementary functions: mpfr_sincos +- Some functions and macros have been renamed: mpfr_log2 is now + mpfr_const_log2, mpfr_pi is now mpfr_const_pi, SIGN is now MPFR_SIGN. +- Version 1.0 uses faster algorithms for mpfr_exp, mpfr_const_pi, + mpfr_const_log2. Compare the timings from version 1.0 and version 0.4. +- Version 1.0 corrects some bugs of version 0.4. +- The precision of MPFR variables is now named mpfr_prec, which makes it + easier to change it, to say unsigned long long. Same for the rounding mode + which is called mp_rnd_t. + +You'll find other news concerning the GNU MPFR library on the web +page <http://www.mpfr.org/>. |