Cleanup and improvements in expr module after introduction of integral()

yguclu commented 5 years ago

Remove functions is_linear_form and is_bilinear_form
Fix bugs in function expand and improve function is_linear_expression
Improve class LinearExpr and remove obsolete class BilinearExpr
Constructor of class LinearForm automatically checks linearity of input expression
Constructor of class BilinearForm automatically checks bilinearity of input expression
Implement behavior of vector products (classes Dot, Cross, Inner and Outer) and Poisson's bracket (class Bracket) in module calculus.core
Remove obsolete function Field and classes Unknown/VectorUnknown from topology.space
Update unit tests

yguclu commented 5 years ago

@ratnania I am trying to get rid of the warnings issued by Codacy... This may take a little while.

yguclu commented 5 years ago

@ratnania This merge request is ready now.

yguclu commented 5 years ago

Merging this branch also solves #21.

pyccel / sympde