# Test C compiler
ccode <- 'extern "C" {void test() {double x=2.1; x = x+1;}}\n'
cat(file="R_Cpp_Test.cpp", ccode)
system("R CMD shlib R_Cpp_Test.cpp")



# Test FORTRAN compiler

Note: spaces are important in fcode below

fcode <- '
      subroutine bar(n, x)
      integer n
      double precision x(n)
      integer i
      do 100 i = 1, n
          x(i) = x(i) ** 2
  100 continue
      end
'
cat(file="R_FORTRAN_Test.f", fcode)
system("R CMD shlib R_FORTRAN_Test.f")



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