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-rw-r--r--utils/fast_sparse_vector.h12
1 files changed, 5 insertions, 7 deletions
diff --git a/utils/fast_sparse_vector.h b/utils/fast_sparse_vector.h
index 00d3b74f..b9315235 100644
--- a/utils/fast_sparse_vector.h
+++ b/utils/fast_sparse_vector.h
@@ -25,8 +25,8 @@
// I have to avoid this since I want to use unions and c++-98
// does not let unions have types with constructors in them
// this type bypasses default constructors. use with caution!
-// this should work as long as T is in a acceptable state to
-// have its destructor called when initialized with all zeros
+// this should work as long as T does have a destructor that
+// does anything
template <typename T>
struct PairIntT {
const PairIntT& operator=(const std::pair<const int, T>& v) {
@@ -104,9 +104,6 @@ class FastSparseVector {
};
public:
FastSparseVector() : local_size_(0), is_remote_(false) { std::memset(&data_, 0, sizeof(data_)); }
- explicit FastSparseVector(const std::vector<T>& init) : local_size_(0), is_remote_(false) {
- for (int i = 0; i < init.size(); ++i) set_value(i, init[i]);
- }
~FastSparseVector() {
clear();
}
@@ -128,8 +125,8 @@ class FastSparseVector {
}
}
}
- const FastSparseVector& operator=(const FastSparseVector& other) {
- if (is_remote_) delete data_.rbmap;
+ const FastSparseVector<T>& operator=(const FastSparseVector<T>& other) {
+ if (&other == this) return *this;
std::memcpy(this, &other, sizeof(FastSparseVector));
if (is_remote_)
data_.rbmap = new std::map<int, T>(*data_.rbmap);
@@ -186,6 +183,7 @@ class FastSparseVector {
}
inline void clear() {
if (is_remote_) delete data_.rbmap;
+ is_remote_ = false;
local_size_ = 0;
}
inline bool empty() const {