Imported Healpix, cfitsio, cosmotool. Added cmake tool to build dependencies (cfitsio, hdf5, netcdf, boost, healpix, gsl, ..). Adjusted CMakeLists.txt

external/cosmotool/src/field.hpp

@@ -0,0 +1,83 @@
+#ifndef __COSMOTOOL_FIELD
+#define __COSMOTOOL_FIELD
+
+#include "config.hpp"
+#include <iostream>
+#include <cassert>
+
+namespace CosmoTool {
+
+  template<typename BaseType>
+  struct ScalarField
+  {
+    BaseType value;    
+  };
+
+  template<typename BaseType, int N>
+  struct VectorField
+  {
+    BaseType vec[N];
+    
+    VectorField& operator=(const VectorField& a)
+    {
+      for (int i = 0; i < N; i++)
+	vec[i] = a.vec[i];
+      return *this;
+    }
+
+    VectorField()
+    {
+      for (int i = 0; i < N; i++)
+	vec[i] = 0;      
+    }
+
+    VectorField(double a)
+    {
+      assert(a == 0);
+      for (int i = 0; i < N; i++)
+	vec[i] = 0;      
+    }
+  };
+
+  template<typename BaseType, int N>
+  VectorField<BaseType,N> operator*(BaseType s, const VectorField<BaseType,N>& a)
+  {
+    VectorField<BaseType,N> v;
+
+    for (int i = 0; i < N; i++)
+      v.vec[i] = a.vec[i]*s;
+    
+    return v;
+  }  
+  
+  template<typename BaseType, int N>
+  VectorField<BaseType,N> operator+(const VectorField<BaseType,N>& a, const VectorField<BaseType,N>& b)
+  {
+    VectorField<BaseType,N> v;
+
+    for (int i = 0; i < N; i++)
+      v.vec[i] = a.vec[i]+b.vec[i];
+    
+    return v;
+  }  
+
+  template<typename BaseType, int N>
+  VectorField<BaseType,N>& operator+=(VectorField<BaseType,N>& a, const VectorField<BaseType,N>& b)
+  {
+    for (int i = 0; i < N; i++)
+      a.vec[i]+=b.vec[i];
+    
+    return a;
+  }  
+
+};
+
+template<typename BaseType, int N>
+std::ostream& operator<<(std::ostream& s, const CosmoTool::VectorField<BaseType,N>& a)
+{
+  for (int i = 0; i < N; i++)
+    s << a.vec[i] << " " ;
+  return s;
+}
+
+#endif