From 37408166c63e956016898e03b29606545b0e4152 Mon Sep 17 00:00:00 2001
From: Isuru Fernando <idf2@illinois.edu>
Date: Tue, 6 Apr 2021 16:55:55 -0500
Subject: [PATCH] Kill FractionKiller

---
 sumpy/codegen.py | 27 ---------------------------
 1 file changed, 27 deletions(-)

diff --git a/sumpy/codegen.py b/sumpy/codegen.py
index 1ab2c221..ef0ac97f 100644
--- a/sumpy/codegen.py
+++ b/sumpy/codegen.py
@@ -398,31 +398,6 @@ class PowerRewriter(CSECachingMapperMixin, IdentityMapper):
 # }}}
 
 
-# {{{ fraction killer
-
-class FractionKiller(CSECachingMapperMixin, IdentityMapper):
-    """Kills fractions where the numerator is evenly divisible by the
-    denominator.
-
-    (Why does :mod:`sympy` even produce these?)
-    """
-    def map_quotient(self, expr):
-        num = expr.numerator
-        denom = expr.denominator
-
-        if isinstance(num, int) and isinstance(denom, int):
-            if num % denom == 0:
-                1/0
-                return num // denom
-            return int(expr.numerator) / int(expr.denominator)
-
-        return IdentityMapper.map_quotient(self, expr)
-
-    map_common_subexpression_uncached = IdentityMapper.map_common_subexpression
-
-# }}}
-
-
 # {{{ convert big integers into floats
 
 from loopy.tools import is_integer
@@ -587,7 +562,6 @@ def to_loopy_insns(assignments, vector_names=set(), pymbolic_expr_maps=[],
     vcr = VectorComponentRewriter(vector_names)
     pwr = PowerRewriter()
     ssg = SumSignGrouper()
-    fck = FractionKiller()
     bik = BigIntegerKiller()
     cmr = ComplexRewriter()
 
@@ -597,7 +571,6 @@ def to_loopy_insns(assignments, vector_names=set(), pymbolic_expr_maps=[],
         expr = bessel_sub(expr)
         expr = vcr(expr)
         expr = pwr(expr)
-        expr = fck(expr)
         expr = ssg(expr)
         expr = bik(expr)
         expr = cmr(expr)
-- 
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