Hi there, when I try to install frag,I get this error: .cabal/bin/cabal install frag Resolving dependencies... Downloading frag-1.1.2... Configuring frag-1.1.2... Preprocessing executables for frag-1.1.2... Building frag-1.1.2... [ 1 of 39] Compiling IdentityList ( src/IdentityList.hs, dist/build/frag/frag-tmp/IdentityList.o ) [ 2 of 39] Compiling Quaternion ( src/Quaternion.hs, dist/build/frag/frag-tmp/Quaternion.o ) src/Quaternion.hs:22:27: Couldn't match expected type `GLfloat' against inferred type `Float' In the expression: (r00 :: GLfloat) In the second argument of `newMatrix', namely `[(r00 :: GLfloat), r01, r02, r03, ....]' In the expression: newMatrix ColumnMajor [(r00 :: GLfloat), r01, r02, r03, ....] cabal: Error: some packages failed to install: frag-1.1.2 failed during the building phase. The exception was: exit: ExitFailure 1 Why?