Merge pull request #182 from MichaelBroughton/const

Added const to AddState functions.

Author: MichaelBroughton

lib/statespace_avx.h

@@ -229,7 +229,7 @@ struct StateSpaceAVX : public StateSpace<StateSpaceAVX<For>, For, float> {
   }
 
   // Does the equivalent of dest += source elementwise.
-  void AddState(const State& source, const State& dest) {
+  void AddState(const State& source, const State& dest) const {
 
     auto f = [](unsigned n, unsigned m, uint64_t i, const State& state1,
                 const State& state2) {

lib/statespace_basic.h

@@ -89,7 +89,7 @@ struct StateSpaceBasic : public StateSpace<StateSpaceBasic<For, FP>, For, FP> {
   }
 
   // Does the equivalent of dest += source elementwise.
-  void AddState(const State& source, const State& dest) {
+  void AddState(const State& source, const State& dest) const {
 
     auto f = [](unsigned n, unsigned m, uint64_t i, const State& state1,
                 const State& state2) {

lib/statespace_sse.h

@@ -194,7 +194,7 @@ struct StateSpaceSSE : public StateSpace<StateSpaceSSE<For>, For, float> {
   }
 
   // Does the equivalent of dest += source elementwise.
-  void AddState(const State& source, const State& dest) {
+  void AddState(const State& source, const State& dest) const {
 
     auto f = [](unsigned n, unsigned m, uint64_t i, const State& state1,
                 const State& state2) {

setup.py

@@ -74,7 +74,7 @@ def build_extension(self, ext):
 # README file as long_description.
 long_description = open('README.md', encoding='utf-8').read()
 
-__version__ = '0.3.0'
+__version__ = '0.3.1'
 
 setup(
     name='qsimcirq',