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authorDmitry Petrashko <dmitry.petrashko@gmail.com>2015-05-12 18:30:53 +0200
committerDmitry Petrashko <dmitry.petrashko@gmail.com>2015-05-12 18:30:53 +0200
commit89bacb9c25a58454ff1878e67f7ea07ffc8c269f (patch)
tree51f1ff6c66aebe1b6109b1cffcc2bb8e4cf760a3 /tests/pending/run/t0421-old.scala
parenta0fa33deafbea1bf53edc068c5ed9db5592822f9 (diff)
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Run tests as they were in scala.
Diffstat (limited to 'tests/pending/run/t0421-old.scala')
-rw-r--r--tests/pending/run/t0421-old.scala32
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/pending/run/t0421-old.scala b/tests/pending/run/t0421-old.scala
new file mode 100644
index 000000000..dde89bc54
--- /dev/null
+++ b/tests/pending/run/t0421-old.scala
@@ -0,0 +1,32 @@
+// ticket #421
+
+@deprecated("Suppress warnings", since="2.11")
+object Test extends App {
+
+ def transpose[A: ClassManifest](xss: Array[Array[A]]) = {
+ for (i <- Array.range(0, xss(0).length)) yield
+ for (xs <- xss) yield xs(i)
+ }
+
+ def scalprod(xs: Array[Double], ys: Array[Double]) = {
+ var acc = 0.0
+ for ((x, y) <- xs zip ys) acc = acc + x * y
+ acc
+ }
+
+ def matmul(xss: Array[Array[Double]], yss: Array[Array[Double]]) = {
+ val ysst = transpose(yss)
+ val ysst1: Array[Array[Double]] = yss.transpose
+ assert(ysst.deep == ysst1.deep)
+ for (xs <- xss) yield
+ for (yst <- ysst) yield
+ scalprod(xs, yst)
+ }
+
+ val a1 = Array(Array(0, 2, 4), Array(1, 3, 5))
+ println(transpose(a1).deep.mkString("[", ",", "]"))
+
+ println(matmul(Array(Array(2, 3)), Array(Array(5), Array(7))).deep.mkString("[", ",", "]"))
+
+ println(matmul(Array(Array(4)), Array(Array(6, 8))).deep.mkString("[", ",", "]"))
+}