Clean up and Bug Fixes

Fixes #38 (closed)

Further changes:

• Third party warnings are suppressed now as they just polluted the warning summary in pystencils.
• Removing the math optimisations as they are not used in pystencils. An Issue is created to reintroduce them again in a clean way in the future
• Removing the joblib workaround as joblib is a hard dependency of pystencils
• Fixing SymPy 1.9 as maximum version
• Removing sympy.multiply_elementwise due to https://github.com/sympy/sympy/issues/22353. A workaround with NumPy is introduced which seems to be way more robust because NumPy has a more static API
• Introducing more extra requires, which are needed to have all features of pystencils
• Minor cleanup of some test cases and the datahandling

pystencils/math_optimizations.py

@@ -4,7 +4,7 @@ Default Sympy optimizations applied in pystencils kernels using :func:`sympy.cod
 See :func:`sympy.codegen.rewriting.optimize`.
 """
 
-
+# TODO: These optimisations are not at all used in pystencils... Should be used by default and turned off optionally
 import itertools
 
 from pystencils import Assignment
@@ -23,6 +23,10 @@ try:
 
     optims_pystencils_cpu = [evaluate_constant_terms] + list(optims_c99)
     optims_pystencils_gpu = [evaluate_constant_terms] + list(optims_c99)
+
+    # test if optimisations really work
+    for i in range(len(optims_pystencils_cpu)):
+        optims_pystencils_cpu[i](sp.cos(1))
 except ImportError:
     from warnings import warn
     warn("Could not import ReplaceOptim, optims_c99, optimize from sympy.codegen.rewriting."