PIVector reshape and etc...

2021-07-16 14:11:55 +03:00
parent 040eb3b279
commit 856a9b80ea
5 changed files with 76 additions and 236 deletions
--- a/libs/main/containers/pivector2d.h
+++ b/libs/main/containers/pivector2d.h
@@ -50,10 +50,11 @@ public:
 	inline PIVector2D(size_t rows, size_t cols, PIVector<T> && v) : rows_(rows), cols_(cols), mat(std::move(v)) {
 		mat.resize(rows*cols);
 	}
-	inline PIVector2D(const PIVector<PIVector<T> > & v) {
+	inline PIVector2D(const PIVector<PIVector<T>> & v) {
 		rows_ = v.size();
 		if (rows_) {
 			cols_ = v[0].size();
+			mat.reserve(rows_*cols_);
 			for (size_t i = 0; i < rows_; i++) {
 				mat.append(v[i]);
 			}