From e3164d4c7b86dd997bd178ead6604010deca5cc9 Mon Sep 17 00:00:00 2001
From: Antonin Portelli <antonin.portelli@me.com>
Date: Mon, 28 May 2018 11:39:17 +0200
Subject: [PATCH] Hadrons: env function to get volume in double

---
 extras/Hadrons/Environment.cc  | 11 +++++------
 extras/Hadrons/Environment.hpp |  4 ++--
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/extras/Hadrons/Environment.cc b/extras/Hadrons/Environment.cc
index 990a717e..bb12a036 100644
--- a/extras/Hadrons/Environment.cc
+++ b/extras/Hadrons/Environment.cc
@@ -49,11 +49,10 @@ Environment::Environment(void)
         dim_, GridDefaultSimd(nd_, vComplex::Nsimd()),
         GridDefaultMpi()));
     gridRb4d_.reset(SpaceTimeGrid::makeFourDimRedBlackGrid(grid4d_.get()));
-    auto loc = getGrid()->LocalDimensions();
-    locVol_ = 1;
-    for (unsigned int d = 0; d < loc.size(); ++d)
+    vol_ = 1.;
+    for (auto d: dim_)
     {
-        locVol_ *= loc[d];
+        vol_ *= d;
     }
     rng4d_.reset(new GridParallelRNG(grid4d_.get()));
 }
@@ -190,9 +189,9 @@ int Environment::getDim(const unsigned int mu) const
     return dim_[mu];
 }
 
-unsigned long int Environment::getLocalVolume(void) const
+double Environment::getVolume(void) const
 {
-    return locVol_;
+    return vol_;
 }
 
 // random number generator /////////////////////////////////////////////////////
diff --git a/extras/Hadrons/Environment.hpp b/extras/Hadrons/Environment.hpp
index a9c3c724..13a7dfe6 100644
--- a/extras/Hadrons/Environment.hpp
+++ b/extras/Hadrons/Environment.hpp
@@ -94,8 +94,8 @@ public:
                                           const unsigned int Ls = 1) const;
     std::vector<int>        getDim(void) const;
     int                     getDim(const unsigned int mu) const;
-    unsigned long int       getLocalVolume(void) const;
     unsigned int            getNd(void) const;
+    double                  getVolume(void) const;
     // random number generator
     void                    setSeed(const std::vector<int> &seed);
     GridParallelRNG *       get4dRng(void) const;
@@ -155,7 +155,7 @@ public:
     void                    printContent(void) const;
 private:
     // general
-    unsigned long int                      locVol_;
+    double                                 vol_;
     bool                                   protect_{true};
     // grids
     std::vector<int>                       dim_;