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changelog.txt
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changelog.txt
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Change log for Vector class library
-----------------------------------
2023-07-04 version 2.02.02
* remove various MS compiler warnings
2022-06-03 version 2.02.01
* minor bug fixes and updates
2022-07-20 version 2.02.00
* support half precision floating point vectors
* new trigonometric functions sinpi, cospi, sincospi, tanpi
* floating point modulo and remainder functions
* functions extend_z and concatenate2
* functions compress_saturated with one integer parameter
* support for Intel compiler
* fix bug for NAN inputs in operator > and >=
* fix bug for underflow in pow function
* fix unsafe optimization in store_partial function
* new add-on package with container class and matrix class templates
* major improvements in add-on package 'complex'
* minor improvements in add-on packages 'random' and 'vector3d'
2021-08-18 version 2.01.04
* fix bug in elementtype for Vec8uq
* improved optimization of permute functions in MS compiler by using constexpr
2020-11-04 version 2.01.03
* fix overflow in sin, cos, tan for large x
* fix bug in is_nan for instruction sets prior to AVX
* warning for MS compiler versions with poor support for AVX512
2020-04-11 version 2.01.02
* only minor fixes
2020-02-25 version 2.01.01
* added function store_nt
* New dispatch_example1.cpp, dispatch_example2.cpp
2019-11-23 version 2.01.00
* problem with performance of permute and blend functions fixed by avoiding
unions in constexpr functions
2019-10-31 version 2.00.02
* bug fix in permute function
* is_nan function improved
* templates constant4ui etc. improved
2019-08-02 version 2.00
Derived from version 1.40
* use C++17
* use compact boolean vectors of all sizes if AVX512VL is enabled
* permute and blend functions improved, using C++17 metaprogramming features
* deprecated functions removed
2019-08-02 version 1.40
* hosted on github
* license changed to Apache 2.0.
* added classes Vec64c, Vec64uc, Vec32s, Vec32us
* test bench and scripts for automatic testing of VCL
* new functions: maximum, minimum, to_float, to_double
* conversion of bitfields to boolean vectors with load_bits. This replaces to_vec4ib etc.
* shift_bytes_up/down functions changed to templates (old versions deprecated)
* removed VECTORMATH define. vectormath_lib.h rewritten. svmlpatch.lib added.
* many improvements and bug fixes
* renamed functions: round_to_int and round_to_int64 functions renamed to roundi,
* renamed functions: the type letter is removed from all permute and blend functions,
e.g. permute4f renamed to permute4.
These changes are made to facilitate generic template programming
* renamed functions: to_Vec.. Replaced by load_bits member functions
* deprecated functions: set_bit, get_bit
* deprecated bit vector classes: Vec128b, Vec256b, Vec512b
2017-07-27 version 1.30
* fixed bug in permute8f for a particular combination of indexes
2017-05-10 version 1.29
* Reversed Apple Clang patch in version 1.28 because the problem has reoccurred in
later versions of Clang
2017-05-02 version 1.28
* Fixed problem with Apple Clang version 6.2 in vectorf128.h
* Fixed return type for Vec8sb operator > (Vec8us, Vec8us)
* cpuid function modified in instrset_detect.cpp
2017-02-19 version 1.27
* fixed problem with scatter functions in MS Visual Studio
2016-12-21 version 1.26
* added constant4ui template
* fixed error for complexvec.h with clang
* fixed error in vectormath_exp.h for MAX_VECTOR_SIZE < 512
2016-11-25 version 1.25
* scatter functions
* new functions to_float for unsigned integer vectors
* instrset_detect function can detect AVX512VL, AVX512BW, AVX512DQ
* functions hasF16C and hasAVX512ER for detecting instruction set extensions
* fix bugs in horizontal_and and pow(0,0) for AVX512
* functions improved for AVX512 and AVX512VL: pow, approx_recipr,
approx_rsqrt
* functions improved for AVX512DQ: 64 bit multiplication, to_double,
32 and 64 bit rotate_left, round_to_int64, truncate_to_int64
* functions improved for AVX512ER: approx_recipr, approx_rsqrt,
exponential functions
2016-10-31 version 1.24
* fix bug in Vec8uq constructor in vectori512e.h
2016-09-27 version 1.23
* temporary fix of a problem in Clang version 3.9 inserted in vectorf128.h
2016-05-03 version 1.22
* added optional namespace
* fixed problem with decimal.h
2016-04-24 version 1.21
* fix problems with XOP option in gcc
* improved horizontal_and/or for sse2
* improved Vec2q and Vec4q constructor on Microsoft Visual Studio 2015
* removed warnings by gcc option -Wcast-qual
2015-12-04 version 1.20
* round functions: suppress precision exception under SSE4.1 and higher
* fix compiler problems with AVX512 multiplication in gcc version 5.1
* fix compiler problems with pow function in Microsoft Visual Studio 2015
2015-11-14 version 1.19
* fix various problems with Clang compiler
2015-09-25 version 1.18
* fix compiler error for Vec8s divide_by_i(Vec8s const & x) under Clang compiler
* fix error in Vec4d::size() in vectorf256e.h
2015-07-31 version 1.17
* improved operator > for Vec4uq
* more special cases in blend4q
* nan_code functions made static inline
* template parameter BTYPE renamed to BVTYPE in mathematical functions to avoid clash
with macro named BTYPE in winnt.h
* fixed bug in Vec4db constructor
2014-10-24 version 1.16
* workaround for problem in Clang compiler extended to version 3.09 because not
fixed yet by Clang (vectorf128.h line 134)
* recognize problem with Apple version of Clang reporting wrong version number
* remove various minor problems with Clang
* function pow(vector, int) modified to strengthen type checking and avoid compiler warnings
* manual discusses dynamic allocation of arrays of vectors
* various minor changes
2014-10-17 version 1.15
* added files ranvec1.h and ranvec1.cpp for random number generator
* constructors to make boolean vectors from their elements
* constructors and = operators to broadcast boolean scalar into boolean vectors
* various lookup functions improved
* operators &, |, ^, ~, etc. defined for various boolean vectors to avoid converson
to integer vectors
* nmul_add functions
* mul_add etc. moved to main header files
* explicit fused multiply-and-add used in math functions to improve performance
on compilers that don't automatically insert FMA
2014-07-24 version 1.14
* support for AVX-512f instruction set and 512-bit vectors:
Vec16i, Vec16ui, Vec8q, Vec8uq, Vec16f, Vec8d, and corresponding boolean vectors
* new define MAX_VECTOR_SIZE, valid values are 128, 256 and 512
* added hyperbolic functions sinh, cosh, tanh, asinh, acosh, atanh
* size() member function on all vector classes returns the number of elements
* functions for conversion between boolean vectors and integer bitfields
* extracting an element from a boolean vector now returns a bool, not an int
* improved precision in exp2 and exp10 functions
* various bug fixes
2014-05-11 version 1.13
* pow function improved
* mul_add, mul_sub, mul_sub_x functions
* propagation of error codes through nan_code function
* "denormal" renamed to "subnormal" everywhere, in accordance with IEEE 754-2008 standard
2014-04-20 version 1.12
* inline implementation of mathematical functions added (vectormath_exp.h vectormath_trig.h
vectormath_common.h)
* vectormath.h renamed to vectormath_lib.h because a new alternative is added
* gather functions with constant indexes
* function sign_combine
* function pow_const(vector, const int)
* function pow_ratio(vector, const int, const int)
* functions horizontal_find_first, horizontal_count
* function recipr_sqrt removed
* functions round_to_int64_limited, truncate_to_int64_limited, to_double_limited
* function cubic_root renamed to cbrt
* function atan(vector,vector) renamed to atan2
* function if_mul
* function Vec4i round_to_int(Vec2d)
* operator & (float vector, boolean vector)
* operator &= (int vector, int vector)
* removed constructor Vec128b(int) and Vec256b(int) to avoid implicit conversion
* removed signalling nan function
* minor improvements in various blend and lookup functions
2014-03-01 version 1.11
* fixed missing unsigned operators >>= in vectori256.h
2013-10-04 version 1.10
* clear distinction between boolean vectors and integer vectors for the sake of
compatibility with mask registers in forthcoming AVX512 instruction set
* added function if_add
* tentative support for clang version 3.3 with workaround for bugs
* remove ambiguity for builtin m128i operator == in clang compiler.
* problems in clang compiler, bug reports filed at clang
(http://llvm.org/bugs/show_bug.cgi?id=17164, 17312)
* instrset.h fixes problem with macros named min and max in MS windows.h
* workaround problem in MS Visual Studio 11.0. Bug report 735861 and 804274
* minor bug fixes
2013-03-31 version 1.03 beta
* bug fix for Vec2d cos (Vec2d const & x), VECTORMATH = 1
2012-08-01 version 1.02 beta
* added file vector3d.h for 3-dimensional vectors
* added file complexvec.h for complex numbers and complex vectors
* added file quaternion.h for quaternions
* added function change_sign for floating point vectors
* added operators +, -, *, / between floating point vectors and scalars to remove
overloading ambiguity
2012-07-08 version 1.01 beta
* added file decimal.h with Number <-> string conversion functions:
bin2bcd, bin2ascii, bin2hex_ascii, ascii2bin
* added andnot function for boolean vectors
* added functions shift_bytes_up and shift_bytes_down
* added operators for unsigned integer vector classes: >>=, &, &&, |, ||, ^, ~
* inteldispatchpatch.cpp removed. Use asmlib instead (www.agner.org/optimize/#asmlib)
* prefix ++ and -- operators now return a reference, postfix operators return a value
* various improvements in permute and blend functions
* minor improvement in abs function
* added version number to VECTORCLASS_H
2012-05-30 version 1.00 beta
* first public release at www.agner.org