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Diffstat (limited to 'src/util/cardinality.h')
| -rw-r--r-- | src/util/cardinality.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/util/cardinality.h b/src/util/cardinality.h index 524d9cda4..113cb954c 100644 --- a/src/util/cardinality.h +++ b/src/util/cardinality.h @@ -156,6 +156,10 @@ public: bool isFinite() const throw() { return d_card > 0; } + /** Returns true iff this cardinality is one */ + bool isOne() const throw() { + return d_card == 1; + } /** * Returns true iff this cardinality is finite and large (i.e., |