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-rw-r--r--core/templates/local_vector.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/core/templates/local_vector.h b/core/templates/local_vector.h
index f4e0748c27..8d687effcf 100644
--- a/core/templates/local_vector.h
+++ b/core/templates/local_vector.h
@@ -38,7 +38,9 @@
#include <initializer_list>
-template <class T, class U = uint32_t, bool force_trivial = false>
+// If tight, it grows strictly as much as needed.
+// Otherwise, it grows exponentially (the default and what you want in most cases).
+template <class T, class U = uint32_t, bool force_trivial = false, bool tight = false>
class LocalVector {
private:
U count = 0;
@@ -121,7 +123,7 @@ public:
_FORCE_INLINE_ bool is_empty() const { return count == 0; }
_FORCE_INLINE_ U get_capacity() const { return capacity; }
_FORCE_INLINE_ void reserve(U p_size) {
- p_size = nearest_power_of_2_templated(p_size);
+ p_size = tight ? p_size : nearest_power_of_2_templated(p_size);
if (p_size > capacity) {
capacity = p_size;
data = (T *)memrealloc(data, capacity * sizeof(T));
@@ -262,4 +264,7 @@ public:
}
};
+template <class T, class U = uint32_t, bool force_trivial = false>
+using TightLocalVector = LocalVector<T, U, force_trivial, true>;
+
#endif // LOCAL_VECTOR_H