add back resize instead of reserve

SteveBronder · SteveBronder · commit c9a2f7e95606 · 2020-03-22T23:45:51.000-04:00
diff --git a/stan/math/rev/functor/adj_jac_apply.hpp b/stan/math/rev/functor/adj_jac_apply.hpp
@@ -39,9 +39,8 @@ inline void build_y_adj(vari** y_vi, const std::array<int, size>& M,
 template <size_t size>
 inline void build_y_adj(vari** y_vi, const std::array<int, size>& M,
                         std::vector<double>& y_adj) {
-  y_adj.clear();
-  y_adj.reserve(M[0]);
-  for (size_t m = 0; m < M[0]; ++m) {
+  y_adj.resize(M[0]);
+  for (size_t m = 0; m < y_adj.size(); ++m) {
     y_adj[m] = y_vi[m]->adj_;
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -39,9 +39,8 @@ inline void build_y_adj(vari** y_vi, const std::array<int, size>& M,`
`39`	`39`	`template <size_t size>`
`40`	`40`	`inline void build_y_adj(vari** y_vi, const std::array<int, size>& M,`
`41`	`41`	`std::vector<double>& y_adj) {`
`42`		`- y_adj.clear();`
`43`		`- y_adj.reserve(M[0]);`
`44`		`- for (size_t m = 0; m < M[0]; ++m) {`
	`42`	`+ y_adj.resize(M[0]);`
	`43`	`+ for (size_t m = 0; m < y_adj.size(); ++m) {`
`45`	`44`	`y_adj[m] = y_vi[m]->adj_;`
`46`	`45`	`}`
`47`	`46`	`}`