Automatic execution of SCL tests in Maven

[simantics/platform.git] / tests / org.simantics.scl.compiler.tests / src / org / simantics / scl / compiler / tests / scl / Random1.scl

diff --git a/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/scl/Random1.scl b/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/scl/Random1.scl
new file mode 100644 (file)
index 0000000..66922ea
--- /dev/null
+++ b/tests/org.simantics.scl.compiler.tests/src/org/simantics/scl/compiler/tests/scl/Random1.scl
@@ -0,0 +1,19 @@
+import "StandardLibrary"\r
+\r
+// Actual program\r
+\r
+"""This function returns either 0 or 1 such that\r
+the expected value is pi/4"""\r
+approximatePi :: () -> <Random> Double\r
+approximatePi () = if x*x + y*y < 1 then 1 else 0\r
+  where\r
+    x = randomDouble\r
+    y = randomDouble\r
+\r
+averageOfNRepeats n f = sum [f () | n <- [1..n]] / fromInteger n\r
+\r
+betterApproximatePi () = averageOfNRepeats 1000 approximatePi * 4\r
+\r
+main = withSeed 13 (betterApproximatePi ())\r
+--\r
+3.068
\ No newline at end of file