diff --git a/src/OpenFOAM/Make/files b/src/OpenFOAM/Make/files
index 84ece4c4b6..cc3c87011d 100644
--- a/src/OpenFOAM/Make/files
+++ b/src/OpenFOAM/Make/files
@@ -70,6 +70,10 @@ primitives/Tensor/lists/symmTensorList.C
 primitives/Tensor/lists/tensorList.C
 
 primitives/Vector/complexVector/complexVector.C
+#if !defined(WM_DP)
+primitives/Vector/doubleVector/doubleVector.C
+primitives/Tensor/doubleTensor/doubleTensor.C
+#endif
 #if !defined(WM_SP)
 primitives/Vector/floatVector/floatVector.C
 primitives/Tensor/floatTensor/floatTensor.C
diff --git a/src/OpenFOAM/primitives/Tensor/doubleTensor/doubleTensor.C b/src/OpenFOAM/primitives/Tensor/doubleTensor/doubleTensor.C
new file mode 100644
index 0000000000..a4227f457a
--- /dev/null
+++ b/src/OpenFOAM/primitives/Tensor/doubleTensor/doubleTensor.C
@@ -0,0 +1,86 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2018 OpenCFD Ltd.
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+\*---------------------------------------------------------------------------*/
+
+#include "doubleTensor.H"
+
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
+
+template<>
+const char* const Foam::doubleTensor::vsType::typeName = "doubleTensor";
+
+template<>
+const char* const Foam::doubleTensor::vsType::componentNames[] =
+{
+    "xx", "xy", "xz",
+    "yx", "yy", "yz",
+    "zx", "zy", "zz"
+};
+
+template<>
+const Foam::doubleTensor Foam::doubleTensor::vsType::zero
+(
+    doubleTensor::uniform(0)
+);
+
+template<>
+const Foam::doubleTensor Foam::doubleTensor::vsType::one
+(
+    doubleTensor::uniform(1)
+);
+
+template<>
+const Foam::doubleTensor Foam::doubleTensor::vsType::max
+(
+    doubleTensor::uniform(doubleScalarVGREAT)
+);
+
+template<>
+const Foam::doubleTensor Foam::doubleTensor::vsType::min
+(
+    doubleTensor::uniform(-doubleScalarVGREAT)
+);
+
+template<>
+const Foam::doubleTensor Foam::doubleTensor::vsType::rootMax
+(
+    doubleTensor::uniform(doubleScalarROOTVGREAT)
+);
+
+template<>
+const Foam::doubleTensor Foam::doubleTensor::vsType::rootMin
+(
+    doubleTensor::uniform(-doubleScalarROOTVGREAT)
+);
+
+template<>
+const Foam::doubleTensor Foam::doubleTensor::I
+(
+    1, 0, 0,
+    0, 1, 0,
+    0, 0, 1
+);
+
+
+// ************************************************************************* //
diff --git a/src/OpenFOAM/primitives/Tensor/doubleTensor/doubleTensor.H b/src/OpenFOAM/primitives/Tensor/doubleTensor/doubleTensor.H
new file mode 100644
index 0000000000..5276c32974
--- /dev/null
+++ b/src/OpenFOAM/primitives/Tensor/doubleTensor/doubleTensor.H
@@ -0,0 +1,64 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2018 OpenCFD Ltd.
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+Typedef
+    Foam::doubleTensor
+
+Description
+    A Tensor of values with double precision
+
+SourceFiles
+    doubleTensor.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef doubleTensor_H
+#define doubleTensor_H
+
+#include "Tensor.H"
+#include "contiguous.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+typedef Tensor<double> doubleTensor;
+
+//- Data associated with doubleTensor type are contiguous
+#if !defined(WM_DP)
+template<>
+inline bool contiguous<doubleTensor>() {return true;}
+#endif
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //
diff --git a/src/OpenFOAM/primitives/Tensor/floatTensor/floatTensor.H b/src/OpenFOAM/primitives/Tensor/floatTensor/floatTensor.H
index 53f25ca22e..0145c1167e 100644
--- a/src/OpenFOAM/primitives/Tensor/floatTensor/floatTensor.H
+++ b/src/OpenFOAM/primitives/Tensor/floatTensor/floatTensor.H
@@ -25,7 +25,7 @@ Typedef
     Foam::floatTensor
 
 Description
-    FloatTensor of scalars.
+    A Tensor of values with float precision
 
 SourceFiles
     floatTensor.C
@@ -48,9 +48,10 @@ namespace Foam
 typedef Tensor<float> floatTensor;
 
 //- Data associated with floatTensor type are contiguous
+#if !defined(WM_SP)
 template<>
 inline bool contiguous<floatTensor>() {return true;}
-
+#endif
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
diff --git a/src/OpenFOAM/primitives/Tensor/labelTensor/labelTensor.H b/src/OpenFOAM/primitives/Tensor/labelTensor/labelTensor.H
index 99aa35fb5b..7ef335db0c 100644
--- a/src/OpenFOAM/primitives/Tensor/labelTensor/labelTensor.H
+++ b/src/OpenFOAM/primitives/Tensor/labelTensor/labelTensor.H
@@ -25,7 +25,7 @@ Typedef
     Foam::labelTensor
 
 Description
-    3D labelTensor obtained from generic Tensor
+    A Tensor of values using label (integer) representation.
 
 SourceFiles
     labelTensor.C
diff --git a/src/OpenFOAM/primitives/Vector/doubleVector/doubleVector.C b/src/OpenFOAM/primitives/Vector/doubleVector/doubleVector.C
new file mode 100644
index 0000000000..9b4f7d0785
--- /dev/null
+++ b/src/OpenFOAM/primitives/Vector/doubleVector/doubleVector.C
@@ -0,0 +1,76 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2018 OpenCFD Ltd.
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+\*---------------------------------------------------------------------------*/
+
+#include "doubleVector.H"
+
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
+
+template<>
+const char* const Foam::doubleVector::vsType::typeName = "doubleVector";
+
+template<>
+const char* const Foam::doubleVector::vsType::componentNames[] =
+{
+    "x", "y", "z"
+};
+
+template<>
+const Foam::doubleVector Foam::doubleVector::vsType::zero
+(
+    doubleVector::uniform(0)
+);
+
+template<>
+const Foam::doubleVector Foam::doubleVector::vsType::one
+(
+    doubleVector::uniform(1)
+);
+
+template<>
+const Foam::doubleVector Foam::doubleVector::vsType::max
+(
+    doubleVector::uniform(doubleScalarVGREAT)
+);
+
+template<>
+const Foam::doubleVector Foam::doubleVector::vsType::min
+(
+    doubleVector::uniform(-doubleScalarVGREAT)
+);
+
+template<>
+const Foam::doubleVector Foam::doubleVector::vsType::rootMax
+(
+    doubleVector::uniform(doubleScalarROOTVGREAT)
+);
+
+template<>
+const Foam::doubleVector Foam::doubleVector::vsType::rootMin
+(
+    doubleVector::uniform(-doubleScalarROOTVGREAT)
+);
+
+
+// ************************************************************************* //
diff --git a/src/OpenFOAM/primitives/Vector/doubleVector/doubleVector.H b/src/OpenFOAM/primitives/Vector/doubleVector/doubleVector.H
new file mode 100644
index 0000000000..e50e1f6092
--- /dev/null
+++ b/src/OpenFOAM/primitives/Vector/doubleVector/doubleVector.H
@@ -0,0 +1,64 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2018 OpenCFD Ltd.
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+Typedef
+    Foam::doubleVector
+
+Description
+    A Vector of values with double precision.
+
+SourceFiles
+    doubleVector.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef doubleVector_H
+#define doubleVector_H
+
+#include "Vector.H"
+#include "contiguous.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+typedef Vector<double> doubleVector;
+
+//- Data associated with doubleVector type are contiguous
+#if !defined(WM_DP)
+template<>
+inline bool contiguous<doubleVector>() {return true;}
+#endif
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //
diff --git a/src/OpenFOAM/primitives/Vector/floatVector/floatVector.C b/src/OpenFOAM/primitives/Vector/floatVector/floatVector.C
index 13ab567ba4..ba29858f44 100644
--- a/src/OpenFOAM/primitives/Vector/floatVector/floatVector.C
+++ b/src/OpenFOAM/primitives/Vector/floatVector/floatVector.C
@@ -21,9 +21,6 @@ License
     You should have received a copy of the GNU General Public License
     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
-Description
-    Vector of floats.
-
 \*---------------------------------------------------------------------------*/
 
 #include "floatVector.H"
diff --git a/src/OpenFOAM/primitives/Vector/floatVector/floatVector.H b/src/OpenFOAM/primitives/Vector/floatVector/floatVector.H
index 9d8eee773d..e49afbdf88 100644
--- a/src/OpenFOAM/primitives/Vector/floatVector/floatVector.H
+++ b/src/OpenFOAM/primitives/Vector/floatVector/floatVector.H
@@ -25,7 +25,7 @@ Typedef
     Foam::floatVector
 
 Description
-    A float version of vector
+    A Vector of values with float precision.
 
 SourceFiles
     floatVector.C