[Stable] Fix bug in StatevectorSimulator preventing AVX2, GPU, and si…

…ngle-precision simulations (#872) (#873) * Fix bug in StatevectorSimulator preventing AVX2, GPU, and single-precision simulations (#872) Fixes bug in the StatevectorSimulator that caused it to always run as CPU with double-precision without SIMD/AVX2 support even on systems with AVX2, or when single-precision or the GPU method was specified in the backend options. * Version to 0.6.1
Qiskit · Aug 10, 2020 · 9e17f97 · 9e17f97
1 parent cf6b2f1
commit 9e17f97
Show file tree

Hide file tree

Showing 4 changed files with 10 additions and 3 deletions.
diff --git a/docs/conf.py b/docs/conf.py
@@ -46,7 +46,7 @@
 # The short X.Y version
 version = ''
 # The full version, including alpha/beta/rc tags
-release = '0.6.0'
+release = '0.6.1'
 
 # -- General configuration ---------------------------------------------------
 

diff --git a/qiskit/providers/aer/VERSION.txt b/qiskit/providers/aer/VERSION.txt
@@ -1 +1 @@
-0.6.0
+0.6.1
diff --git a/releasenotes/notes/fix-statevector-precision-24350e9fd7368c24.yaml b/releasenotes/notes/fix-statevector-precision-24350e9fd7368c24.yaml
@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    Fixes bug in the :class:`qiskit.providers.aer.StatevectorSimulator` that
+    caused it to always run as CPU with double-precision without SIMD/AVX2
+    support even on systems with AVX2, or when single-precision or the GPU
+    method was specified in the backend options.
diff --git a/src/controllers/statevector_controller.hpp b/src/controllers/statevector_controller.hpp
@@ -275,7 +275,7 @@ void StatevectorController::run_circuit_helper(
     const Circuit& circ, const Noise::NoiseModel& noise, const json_t& config,
     uint_t shots, uint_t rng_seed, ExperimentData &data) const {
   // Initialize  state
-  Statevector::State<> state;
+  State_t state;
 
   // Validate circuit and throw exception if invalid operations exist
   validate_state(state, circ, noise, true);