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exposed rewriter parameters

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2012-12-02 22:03:30 -08:00
parent 91096b638a
commit a99b8fe797
16 changed files with 265 additions and 162 deletions
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15
src/ast/rewriter/arith_rewriter_params.pyg Normal file
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def_module_params(module_name='rewriter',
class_name='arith_rewriter_params',
export=True,
params=(("algebraic_number_evaluator", BOOL, True, "simplify/evaluate expressions containing (algebraic) irrational numbers."),
("mul_to_power", BOOL, False, "collpase (* t ... t) into (^ t k), it is ignored if expand_power is true."),
("expand_power", BOOL, False, "expand (^ t k) into (* t ... t) if 1 < k <= max_degree."),
("expand_tan", BOOL, False, "replace (tan x) with (/ (sin x) (cos x))."),
("max_degree", UINT, 64, "max degree of algebraic numbers (and power operators) processed by simplifier."),
("eq2ineq", BOOL, False, "split arithmetic equalities into two inequalities."),
("sort_sums", BOOL, False, "sort the arguments of + application."),
("gcd_rounding", BOOL, False, "use gcd rounding on integer arithmetic atoms."),
("arith_lhs", BOOL, False, "all monomials are moved to the left-hand-side, and the right-hand-side is just a constant."),
("elim_to_real", BOOL, False, "eliminate to_real from arithmetic predicates that contain only integers."),
("push_to_real", BOOL, True, "distribute to_real over * and +."),
("elim_rem", BOOL, False, "replace (rem x y) with (ite (>= y 0) (mod x y) (- (mod x y))).")))