VCL C++ vector class library

VCL
C++ vector class library
? 2012 - 2014 Agner Fog, Gnu public license
Version 1.14. http://wendang.chazidian.com/optimize
Table of Contents
Introduction.............................................................................................................2
How it works.......................................................................................................3
Features..............................................................................................................3
Instruction sets supported..................................................................................3
Platforms supported............................................................................................4
Compilers supported...........................................................................................4
Intended use.......................................................................................................4
How VCL uses metaprogramming......................................................................4
Availability...........................................................................................................5
License................................................................................................................6
The basics...............................................................................................................6
How to compile...................................................................................................6
Overview of vector classes.................................................................................7
Constructing vectors and loading data into vectors.........................................10
Reading data from vectors...............................................................................13
Operators..............................................................................................................16
Arithmetic operators..........................................................................................16
Logic operators.................................................................................................18
Integer division..................................................................................................21
Functions...............................................................................................................24
Integer functions...............................................................................................24
Floating point simple mathematical functions...................................................27
Floating point categorization functions.............................................................32
Floating point control word manipulation functions..........................................34
Floating point mathematical functions..............................................................36
Permute, blend, lookup and gather functions...................................................50
Number ? string conversion functions............................................................56
Boolean operations and per-element branches....................................................60
Internal representation of boolean vectors.......................................................61
Functions for use with booleans.......................................................................62
Conversion between vector types.........................................................................64
Conversion between boolean vector types......................................................71
Special applications..............................................................................................73
3-dimensional vectors.......................................................................................73
Complex number vectors..................................................................................76
Quaternions.................................. ....................................................................80
Instruction sets and CPU dispatching...................................................................84
Performance considerations.................................................................................87