Merge pull request #30 from SeisSol/thomas/fix_compiling_dependencies

fix compiler names, add https clone address of git repository

doc/compiling_dependencies.rst

@@ -16,9 +16,9 @@ Alternatively for gcc compilers on SupermucNG:
 
 .. code-block:: bash
 
-    export FC=mpigcc
+    export FC=mpifc
     export CXX=mpigxx
-    export CC=mpifc
+    export CC=mpigcc
 
 2. Asagi
 
@@ -38,8 +38,9 @@ Alternatively to build from source:
 .. code-block:: bash
 
     git clone git@github.com:jbeder/yaml-cpp
-    git checkout yaml-cpp-0.6.3
+    # git clone https://github.com/jbeder/yaml-cpp.git
     cd yaml-cpp
+    git checkout yaml-cpp-0.6.3
     mkdir build && cd build
     cmake ..  -DCMAKE_INSTALL_PREFIX=$HOME
     make -j 4
@@ -52,6 +53,7 @@ Alternatively to build from source:
 .. code-block:: bash
 
     git clone git@github.com:uphoffc/ImpalaJIT
+    # git clone https://github.com/uphoffc/ImpalaJIT.git
     cd ImpalaJIT 
     mkdir build && cd build
     cmake ..  -DCMAKE_INSTALL_PREFIX=$HOME

tools/easicube.cpp

@@ -72,7 +72,13 @@ int main(int argc, char** argv) {
         std::cerr << "from, to, and N must have 3 dimensions" << std::endl;
         return -1;
     }
-
+    for (unsigned n : N) {
+        if (n < 2) {
+            std::cerr << "number of grid points in each dimension should be greater than 1"
+                      << std::endl;
+            return -1;
+        }
+    }
     unsigned nGP = 1;
     for (unsigned n : N) {
         nGP *= n;