cpp/python: export arithmetic operations on isl_aff
The following documented operations are exported:
Unary Operations:
isl_aff_neg
isl_aff_ceil
isl_aff_floor
Binary Operations:
isl_aff_mul
isl_aff_div
isl_aff_sub
isl_aff_mod_val
isl_aff_scale_val
isl_aff_scale_down_val
Functions ending in _val are exported as "__isl_overload", such that the
type suffix "_val" is not part of the exported bindings.
Signed-off-by: Tobias Grosser <tobias@grosser.es>
Signed-off-by: Sven Verdoolaege <sven.verdoolaege@gmail.com>