SCRIPTS: Add a sandbox script for spectrogram algorithm

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
SCRIPTS: Add a sandbox for ASC decriptor

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
SCRIPTS: Minor ASC sandbox update, closer to the C++ implementation

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
SCRIPTS: Fix a typo in Spectrogram sandbox
SCRIPTS: Add a Normalization factor getter for the apodizer

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
SCRIPTS: Fix minor comment typo in ASC sandbox

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
SCRIPTS: Add a sandbox script for ASS

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
SCRIPTS: Minor computation fixes in ASC and ASS sandboxes

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
SCRIPTS: Fixed minor typo in internal computaiton of ASC

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
BUILD: Eigen headers also required in tests

This is a temporary fix, see #35.

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
COMMON: Using Eigen everywhere

Fixes #34.

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
ALGORITHMS: Add missing tests for a few algorithms

Signed-off-by: Gama <misept.dieseneuf@gmail.com>