Merge topic 'cleanup-gcc-warnings'

af7bba06 Refactor liner interpolation to use (1-w)*v0+w*v1
635f8c79 Add a CTestCustom file to to filter out warnings that cant be eliminated
f74c0d3c Remove type conversion related warnings for GCC

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !351

CMakeLists.txt

@@ -107,6 +107,8 @@ option(VTKm_USE_64BIT_IDS "Use 64-bit indices." ON)
 if (VTKm_ENABLE_TESTING)
   enable_testing()
   include(CTest)
+  configure_file(${VTKm_SOURCE_DIR}/CTestCustom.cmake.in
+    ${VTKm_BINARY_DIR}/CTestCustom.cmake @ONLY)
 endif()
 
 #-----------------------------------------------------------------------------

CTestCustom.cmake.in

@@ -0,0 +1,23 @@
+##============================================================================
+##  Copyright (c) Kitware, Inc.
+##  All rights reserved.
+##  See LICENSE.txt for details.
+##  This software is distributed WITHOUT ANY WARRANTY; without even
+##  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+##  PURPOSE.  See the above copyright notice for more information.
+##
+##  Copyright 2014 Sandia Corporation.
+##  Copyright 2014 UT-Battelle, LLC.
+##  Copyright 2014 Los Alamos National Security.
+##
+##  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
+##  the U.S. Government retains certain rights in this software.
+##
+##  Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
+##  Laboratory (LANL), the U.S. Government retains certain rights in
+##  this software.
+##============================================================================
+
+list(APPEND CTEST_CUSTOM_WARNING_EXCEPTION
+ "warning: ignoring loop annotation"
+) 

vtkm/VectorAnalysis.h

@@ -43,10 +43,10 @@ namespace vtkm {
 template<typename ValueType, typename WeightType>
 VTKM_EXEC_CONT_EXPORT
 ValueType Lerp(const ValueType &value0,
-               const ValueType & value1,
+               const ValueType &value1,
                const WeightType &weight)
 {
-  return static_cast<ValueType>(value0 + weight * (value1-value0));
+  return static_cast<ValueType>((WeightType(1)-weight)*value0+weight*value1);
 }
 template<typename ValueType, vtkm::IdComponent N, typename WeightType>
 VTKM_EXEC_CONT_EXPORT
@@ -54,7 +54,7 @@ vtkm::Vec<ValueType,N> Lerp(const vtkm::Vec<ValueType,N> &value0,
                             const vtkm::Vec<ValueType,N> &value1,
                             const WeightType &weight)
 {
-  return value0 + static_cast<ValueType>(weight) * (value1-value0);
+  return (WeightType(1)-weight)*value0+weight*value1;
 }
 template<typename ValueType, vtkm::IdComponent N>
 VTKM_EXEC_CONT_EXPORT
@@ -62,7 +62,8 @@ vtkm::Vec<ValueType,N> Lerp(const vtkm::Vec<ValueType,N> &value0,
                             const vtkm::Vec<ValueType,N> &value1,
                             const vtkm::Vec<ValueType,N> &weight)
 {
-  return value0 + weight * (value1-value0);
+  static const vtkm::Vec<ValueType,N> One(ValueType(1));
+  return (One-weight)*value0+weight*value1;
 }
 
 // ----------------------------------------------------------------------------

vtkm/cont/internal/testing/UnitTestArrayPortalFromIterators.cxx

@@ -35,7 +35,7 @@ struct TemplatedTests
 
   ValueType ExpectedValue(vtkm::Id index, ComponentType value)
   {
-    return ValueType(ComponentType(index) + value);
+    return ValueType(static_cast<ComponentType>(index+static_cast<vtkm::Id>(value)));
   }
 
   template<class IteratorType>

vtkm/cont/internal/testing/UnitTestIteratorFromArrayPortal.cxx

@@ -37,7 +37,7 @@ struct TemplatedTests
 
   ValueType ExpectedValue(vtkm::Id index, ComponentType value)
   {
-    return ValueType(ComponentType(index) + value);
+    return ValueType(static_cast<ComponentType>(index+static_cast<vtkm::Id>(value)));
   }
 
   template<class IteratorType>

vtkm/cont/testing/UnitTestArrayPortalToIterators.cxx

@@ -36,7 +36,7 @@ struct TemplatedTests
 
   static ValueType ExpectedValue(vtkm::Id index, ComponentType value)
   {
-    return ValueType(static_cast<ComponentType>(index) + value);
+    return ValueType(static_cast<ComponentType>(index+static_cast<vtkm::Id>(value)));
   }
 
   class ReadOnlyArrayPortal

vtkm/cont/testing/UnitTestDataSetBuilderRectilinear.cxx

@@ -97,11 +97,11 @@ void FillArray(std::vector<T> &arr,
 
     switch (fillMethod)
     {
-      case 0: xi = static_cast<T>(i); break;
-      case 1: xi = static_cast<T>(i) / static_cast<vtkm::Float32>(size-1); break;
-      case 2: xi = static_cast<T>(i*2); break;
-      case 3: xi = static_cast<T>(i*0.1f); break;
-      case 4: xi = static_cast<T>(i*i); break;
+      case 0: break;
+      case 1: xi /= static_cast<vtkm::Float32>(size-1); break;
+      case 2: xi *= 2; break;
+      case 3: xi *= 0.1f; break;
+      case 4: xi *= xi; break;
       default: VTKM_TEST_FAIL("Bad internal test state: invalid fill method.");
     }
     arr[i] = xi;

vtkm/cont/testing/UnitTestDataSetBuilderUniform.cxx

@@ -103,7 +103,7 @@ void FillMethod(vtkm::IdComponent method,
       break;
     case 1:
       origin = 0;
-      spacing = static_cast<T>(1.0/dimensionSize);
+      spacing = static_cast<T>(1.0/static_cast<double>(dimensionSize));
       break;
     case 2:
       origin = 0;
@@ -120,7 +120,7 @@ void FillMethod(vtkm::IdComponent method,
   }
 
   boundsMin = static_cast<vtkm::Float64>(origin);
-  boundsMax = static_cast<vtkm::Float64>(origin + (dimensionSize-1)*spacing);
+  boundsMax = static_cast<vtkm::Float64>(origin + static_cast<T>(dimensionSize-1)*spacing);
 }
 
 template <typename T>

vtkm/exec/CellDerivative.h

@@ -849,8 +849,8 @@ CellDerivative(const FieldVecType &field,
     fieldCenter = fieldCenter + field[pointIndex];
     wcoordCenter = wcoordCenter + wCoords[pointIndex];
   }
-  fieldCenter = fieldCenter*FieldType(1.0f/numPoints);
-  wcoordCenter = wcoordCenter*WCoordType(1.0f/numPoints);
+  fieldCenter = fieldCenter*FieldType(1.0f/static_cast<float>(numPoints));
+  wcoordCenter = wcoordCenter*WCoordType(1.0f/static_cast<float>(numPoints));
 
   ParametricCoordType angle;
   if ((vtkm::Abs(pcoords[0]-0.5f) < 4*vtkm::Epsilon<ParametricCoordType>()) &&

vtkm/exec/CellInterpolate.h

@@ -276,7 +276,7 @@ CellInterpolate(const FieldVecType &field,
   {
     fieldCenter = fieldCenter + field[pointIndex];
   }
-  fieldCenter = fieldCenter*FieldType(1.0f/numPoints);
+  fieldCenter = fieldCenter*FieldType(1.0f/static_cast<float>(numPoints));
 
   if ((vtkm::Abs(pcoords[0]-0.5f) < 4*vtkm::Epsilon<ParametricCoordType>()) &&
       (vtkm::Abs(pcoords[1]-0.5f) < 4*vtkm::Epsilon<ParametricCoordType>()))
@@ -305,13 +305,13 @@ CellInterpolate(const FieldVecType &field,
   polygonCoords[0][1] = 0.5f;
   polygonCoords[0][2] = 0;
 
-  polygonCoords[1][0] = 0.5f*(vtkm::Cos(deltaAngle*firstPointIndex)+1);
-  polygonCoords[1][1] = 0.5f*(vtkm::Sin(deltaAngle*firstPointIndex)+1);
-  polygonCoords[1][2] = 0;
+  polygonCoords[1][0] = 0.5f*(vtkm::Cos(deltaAngle*static_cast<ParametricCoordType>(firstPointIndex))+1);
+  polygonCoords[1][1] = 0.5f*(vtkm::Sin(deltaAngle*static_cast<ParametricCoordType>(firstPointIndex))+1);
+  polygonCoords[1][2] = 0.0f;
 
-  polygonCoords[2][0] = 0.5f*(vtkm::Cos(deltaAngle*secondPointIndex)+1);
-  polygonCoords[2][1] = 0.5f*(vtkm::Sin(deltaAngle*secondPointIndex)+1);
-  polygonCoords[2][2] = 0;
+  polygonCoords[2][0] = 0.5f*(vtkm::Cos(deltaAngle*static_cast<ParametricCoordType>(secondPointIndex))+1);
+  polygonCoords[2][1] = 0.5f*(vtkm::Sin(deltaAngle*static_cast<ParametricCoordType>(secondPointIndex))+1);
+  polygonCoords[2][2] = 0.0f;
 
   vtkm::Vec<ParametricCoordType,3> trianglePCoords =
       vtkm::exec::internal::ReverseInterpolateTriangle(

vtkm/exec/ParametricCoordinates.h

@@ -802,7 +802,7 @@ WorldCoordinatesToParametricCoordinates(
   {
     wcoordCenter = wcoordCenter + pointWCoords[pointIndex];
   }
-  wcoordCenter = wcoordCenter*WCoordType(1.0f/numPoints);
+  wcoordCenter = wcoordCenter*WCoordType(1.0f/static_cast<float>(numPoints));
 
   // Find the normal vector to the polygon. If the polygon is planar, convex,
   // and in general position, any three points will give a normal in the same

vtkm/testing/Testing.h

@@ -411,7 +411,7 @@ template<typename T>
 VTKM_EXEC_CONT_EXPORT
 T TestValue(vtkm::Id index, T, vtkm::TypeTraitsRealTag)
 {
-  return T(0.01*index + 1.001);
+  return T(0.01*static_cast<double>(index) + 1.001);
 }
 
 /// Many tests involve getting and setting values in some index-based structure

vtkm/worklet/AverageByKey.h

@@ -46,7 +46,7 @@ struct DivideWorklet: public vtkm::worklet::WorkletMapField
   void operator()(const ValueType &v, const vtkm::Id &count, ValueType &vout) const
   {
     typedef typename VecTraits<ValueType>::ComponentType ComponentType;
-    vout = v * ComponentType(1./count);
+    vout = v * ComponentType(1./static_cast<double>(count));
   }
 
   template <class T1, class T2>

vtkm/worklet/VertexClustering.h

@@ -330,7 +330,7 @@ public:
       vtkm::Float64 res[3];
       for (vtkm::IdComponent i=0; i<3; i++)
       {
-        res[i] = (bounds[i*2+1]-bounds[i*2])/nDivisions[i];
+        res[i] = (bounds[i*2+1]-bounds[i*2])/static_cast<vtkm::Float64>(nDivisions[i]);
       }
       gridInfo.grid_width = vtkm::Max(res[0], vtkm::Max(res[1], res[2]));
 
@@ -342,9 +342,9 @@ public:
       gridInfo.dim[2] = vtkm::Min((vtkm::Id)vtkm::Ceil((bounds[5]-bounds[4])*inv_grid_width), nDivisions[2]);
 
       // center the mesh in the grids
-      gridInfo.origin[0] = (bounds[1]+bounds[0])*0.5 - gridInfo.grid_width*(gridInfo.dim[0])*.5;
-      gridInfo.origin[1] = (bounds[3]+bounds[2])*0.5 - gridInfo.grid_width*(gridInfo.dim[1])*.5;
-      gridInfo.origin[2] = (bounds[5]+bounds[4])*0.5 - gridInfo.grid_width*(gridInfo.dim[2])*.5;
+      gridInfo.origin[0] = (bounds[1]+bounds[0])*0.5 - gridInfo.grid_width*static_cast<vtkm::Float64>(gridInfo.dim[0])*.5;
+      gridInfo.origin[1] = (bounds[3]+bounds[2])*0.5 - gridInfo.grid_width*static_cast<vtkm::Float64>(gridInfo.dim[1])*.5;
+      gridInfo.origin[2] = (bounds[5]+bounds[4])*0.5 - gridInfo.grid_width*static_cast<vtkm::Float64>(gridInfo.dim[2])*.5;
     }
 
     //construct the scheduler that will execute all the worklets