Removed extraneous yout copy

CHANGELOG.md

@@ -9,6 +9,8 @@
 The functions `CVodeGetUserDataB` and `IDAGetUserDataB` were added to CVODES
 and IDAS, respectively.
 
+Removed extraneous copy of output vector when using ARKODE in ONE_STEP mode.
+
 ### Bug Fixes
 
 On the initial time step with a user-supplied initial step size, ARKODE and
@@ -44,7 +46,7 @@ called even when informational logging was disabled.
 
 ### Deprecation Notices
 
-`SUNDIALSFileOpen` and `SUNDIALSFileClose` will be removed in the next major release. 
+`SUNDIALSFileOpen` and `SUNDIALSFileClose` will be removed in the next major release.
 Use `SUNFileOpen` and `SUNFileClose` instead.
 
 The `Convert` methods on the `sundials::kokkos:Vector`, `sundials::kokkos::DenseMatrix`,

doc/shared/RecentChanges.rst

@@ -8,6 +8,8 @@
 The functions ``CVodeGetUserDataB`` and ``IDAGetUserDataB`` were added to CVODES
 and IDAS, respectively.
 
+Removed extraneous copy of output vector when using ARKODE in ONE_STEP mode.
+
 **Bug Fixes**
 
 On the initial time step with a user-supplied initial step size, ARKODE and
@@ -43,7 +45,7 @@ called even when informational logging was disabled.
 
 **Deprecation Notices**
 
-``SUNDIALSFileOpen`` and ``SUNDIALSFileClose`` will be removed in the next major release. 
+``SUNDIALSFileOpen`` and ``SUNDIALSFileClose`` will be removed in the next major release.
 Use :c:func:`SUNFileOpen` and :c:func:`SUNFileClose` instead.
 
 The ``Convert`` methods on the ``sundials::kokkos:Vector``, ``sundials::kokkos::DenseMatrix``,

src/arkode/arkode.c

@@ -1149,8 +1149,7 @@ int ARKodeEvolve(void* arkode_mem, sunrealtype tout, N_Vector yout,
     {
       istate            = ARK_SUCCESS;
       ark_mem->tretlast = *tret = ark_mem->tcur;
-      N_VScale(ONE, ark_mem->yn, yout);
-      ark_mem->next_h = ark_mem->hprime;
+      ark_mem->next_h           = ark_mem->hprime;
       break;
     }