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-rw-r--r--src/util/bitvector.h19
1 files changed, 12 insertions, 7 deletions
diff --git a/src/util/bitvector.h b/src/util/bitvector.h
index 5df632ff4..c9661c0c7 100644
--- a/src/util/bitvector.h
+++ b/src/util/bitvector.h
@@ -190,22 +190,27 @@ public:
return d_value.isBitSet(i);
}
- BitVector unsignedDiv (const BitVector& y) const {
+ /**
+ * Total division function that returns 0 when the denominator is 0.
+ */
+ BitVector unsignedDivTotal (const BitVector& y) const {
+
CheckArgument(d_size == y.d_size, y);
- // TODO: decide whether we really want these semantics
if (y.d_value == 0) {
- return BitVector(d_size, Integer(0));
+ return BitVector(d_size, 0u);
}
CheckArgument(d_value >= 0, this);
CheckArgument(y.d_value > 0, y);
return BitVector(d_size, d_value.floorDivideQuotient(y.d_value));
}
-
- BitVector unsignedRem(const BitVector& y) const {
+
+ /**
+ * Total division function that returns 0 when the denominator is 0.
+ */
+ BitVector unsignedRemTotal(const BitVector& y) const {
CheckArgument(d_size == y.d_size, y);
- // TODO: decide whether we really want these semantics
if (y.d_value == 0) {
- return BitVector(d_size, d_value);
+ return BitVector(d_size, 0u);
}
CheckArgument(d_value >= 0, this);
CheckArgument(y.d_value > 0, y);
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