Basic math functions for float and double arrays in Swift, with no dependencies. Generally around 3-5x faster than standard swift loops or maps.

This library is used by SwiftyMKL, which adds more optimized versions of the functions, along with many linear algebra and statistical functions.

Math functions from Foundation (which in turn uses functions in math.h) are used, except for sum(), which is written in C, since reductions in Swift are currently not vectorized. The standard math operators are also provided, including optimzed assignment versions. Functions with _ suffix are in-place.

Note that because the library uses pointers, Swift's copy-on-write and let immutability are bypassed. Use the provided copy() method to get a real copy of an Array.

To avoid surprises, you might prefer to use the provided AlignedStorage struct, which supports much of the same functionality as Array, but doesn't use copy-on-write, and aligns memory for (sometimes) better performance.

After import BaseVector you'll find that all the standard unary and binary math functions have been added to Array for floats and doubles, along with reduction versions of each which start with sum (e.g sumabs, sumcos, etc).

See the test suite for examples of use.