Add meshgrid and unitTest.

src/common/meshgrid.cpp

@@ -0,0 +1,27 @@
+#include "meshgrid.h"
+#include "Function1D.h"
+#include "Matrix.h"
+
+using namespace Aurora;
+using namespace Recon;
+
+MeshgridResult Recon::meshgrid(const Aurora::Matrix& aX, const Aurora::Matrix& aY, const Aurora::Matrix& aZ)
+{
+    MeshgridResult result;
+    if(aX.isNull() || aY.isNull() || aZ.isNull())
+    {
+        return result;
+    }
+
+    size_t nx = aX.getDataSize();
+    size_t ny = aY.getDataSize();
+    size_t nz = aZ.getDataSize();
+    Matrix xx = reshape(aX, 1, nx, 1);
+    Matrix yy = reshape(aY, ny, 1, 1);
+    Matrix zz = reshape(aZ, 1, 1, nz);
+    result.xx = repmat(xx, ny, 1, nz);
+    result.yy = repmat(yy, 1, nx, nz);
+    result.zz = repmat3d(zz, ny, nx, 1);
+    
+    return result;
+}

src/common/meshgrid.h

@@ -0,0 +1,18 @@
+#ifndef MESHGRID_H
+#define MESHGRID_H
+
+#include "Matrix.h"
+
+namespace Recon
+{
+    struct MeshgridResult
+    {
+        Aurora::Matrix xx;
+        Aurora::Matrix yy;
+        Aurora::Matrix zz;
+    };
+
+    MeshgridResult meshgrid(const Aurora::Matrix& aX, const Aurora::Matrix& aY, const Aurora::Matrix& aZ);
+}
+
+#endif