Replace 0.f with const expr

src/gpu/GridGenerator/grid/GridBuilder/LevelGridBuilder.h

@@ -38,6 +38,8 @@
 #include <memory>
 #include <array>
 
+#include <lbm/constants/NumericConstants.h>
+
 #include "gpu/GridGenerator/global.h"
 
 #include "gpu/GridGenerator/grid/GridBuilder/GridBuilder.h"
@@ -45,6 +47,8 @@
 #include "gpu/GridGenerator/grid/GridInterface.h"
 #include "gpu/GridGenerator/grid/NodeValues.h"
 
+using namespace vf::lbm::constant;
+
 struct Vertex;
 class  Grid;
 class Transformator;
@@ -64,8 +68,6 @@ enum class SideType;
 class TransientBCInputFileReader;
 class FileCollection;
 
-
-
 class LevelGridBuilder : public GridBuilder
 {
 protected:
@@ -85,7 +87,7 @@ public:
     GRIDGENERATOR_EXPORT void setPeriodicBoundaryCondition(bool periodic_X, bool periodic_Y, bool periodic_Z);
     GRIDGENERATOR_EXPORT void setNoSlipBoundaryCondition(SideType sideType);
     GRIDGENERATOR_EXPORT void setPrecursorBoundaryCondition(SideType sideType, SPtr<FileCollection> fileCollection, int timeStepsBetweenReads, 
-                                                            real velocityX=0.0f, real velocityY=0.0f, real velocityZ=0.0f,     
+                                                            real velocityX=c0o1, real velocityY=c0o1, real velocityZ=c0o1,     
                                                             std::vector<uint> fileLevelToGridLevelMap = {});
 
     GRIDGENERATOR_EXPORT void setEnableFixRefinementIntoTheWall(bool enableFixRefinementIntoTheWall);