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3 Commits

Author SHA1 Message Date
Kutalmis Bercin
6576397e81 ENH: improve analytic eigen for small off-diagonals 2020-02-28 10:49:58 +00:00
Kutalmis Bercin
55e7da670c ENH: improve analytical eigendecompositions 
- `tensor` and `tensor2D` returns complex eigenvalues/vectors
  - `symmTensor` and `symmTensor2D` returns real eigenvalues/vectors
  - adds new test routines for eigendecompositions
  - improves numerical stability by:
    - using new robust algorithms,
    - reordering the conditional branches in root-type selection
 2020-02-18 12:21:01 +00:00
Kutalmis Bercin
66b02ca5ca ENH: improve funcs and opers in Tensor types 
- ensures each Tensor-container operates for the following base types:
    - floatScalar
    - doubleScalar
    - complex

  - adds/improves test applications for each container and base type:
    - constructors
    - member functions
    - global functions
    - global operators

  - misc:
    - silently removes `invariantIII()` for `tensor2D` and `symmTensor2D`
      since the 3rd invariant does not exist for 2x2 matrices
    - fixes `invariantII()` algorithm for `tensor2D` and `symmTensor2D`
    - adds `Cmpt` multiplication to `Vector2D` and `Vector`
    - adds missing access funcs for symmetric containers
    - improves func/header documentations
 2020-02-18 12:21:01 +00:00