First Linear Algebra Subroutines module was included to Mir.
`mir.las.sum` contains Functions and Output Ranges for Summation Algorithms. Works with user-defined types.
- Precise algorithm: improved analog of Python's `fsum` - Pairwise algorithm: fast version for Input Ranges - Kahan, KBN, and KB2 algorithms https://github.com/DlangScience/mir Ilya