diff options
Diffstat (limited to 'testsuite/tests/codeGen/should_run/cgrun035.hs')
| -rw-r--r-- | testsuite/tests/codeGen/should_run/cgrun035.hs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/testsuite/tests/codeGen/should_run/cgrun035.hs b/testsuite/tests/codeGen/should_run/cgrun035.hs new file mode 100644 index 0000000000..dfd73cb40a --- /dev/null +++ b/testsuite/tests/codeGen/should_run/cgrun035.hs @@ -0,0 +1,15 @@ +module Main (main) where + +import Foreign.C +import System.IO.Unsafe ( unsafePerformIO ) + +c :: Double -> Double +c x = cos x + where + cos :: Double -> Double + cos x = realToFrac (unsafePerformIO (c_cos (realToFrac x))) + +foreign import ccall unsafe "cos" + c_cos :: CDouble -> IO CDouble + +main = putStr (shows (c 0.0) "\n") |