From dd9a1245ed65e3fb07fe1a20e20383b1d90cde8f Mon Sep 17 00:00:00 2001 From: Paul Phillips Date: Mon, 12 Apr 2010 06:46:53 +0000 Subject: Disabling some more tests which crash under -op... Disabling some more tests which crash under -optimise. No review. --- test/files/run/Course-2002-10.scala | 135 ------------------------------------ 1 file changed, 135 deletions(-) delete mode 100644 test/files/run/Course-2002-10.scala (limited to 'test/files/run/Course-2002-10.scala') diff --git a/test/files/run/Course-2002-10.scala b/test/files/run/Course-2002-10.scala deleted file mode 100644 index e978bc8258..0000000000 --- a/test/files/run/Course-2002-10.scala +++ /dev/null @@ -1,135 +0,0 @@ -//############################################################################ -// Programmation IV - 2002 - Week 10 -//############################################################################ - -import Math.{Pi, log} - -object M0 { - - def addStream (s1: Stream[Int], s2: Stream[Int]): Stream[Int] = - Stream.cons(s1.head + s2.head, addStream(s1.tail, s2.tail)); - - val fib: Stream[Int] = - Stream.cons(0, Stream.cons(1, addStream(this.fib, this.fib.tail))); - - def test = { - var i = 0; - fib.take(20).foreach(n => {Console.println("fib("+i+") = "+n); i=i+1}); - Console.println; - } -} - -//############################################################################ - -object M1 { - - def scale(x: Double, s: Stream[Double]): Stream[Double] = - s map { e: Double => e*x } - - def partialSums(s: Stream[Double]): Stream[Double] = - Stream.cons(s.head, partialSums(s.tail) map (x => x + s.head)); - - def euler(s: Stream[Double]): Stream[Double] = { - val nm1 = s apply 0; - val n = s apply 1; - val np1 = s apply 2; - Stream.cons(np1 - ((np1 - n)*(np1 - n) / (nm1 - 2*n + np1)),euler(s.tail)) - }; - - def better(s: Stream[Double], transform: Stream[Double] => Stream[Double]) - : Stream[Stream[Double]] = - Stream.cons(s, better(transform(s), transform)); - - def veryGood(s: Stream[Double], transform: Stream[Double] => Stream[Double]) - : Stream[Double] = - better(s, transform) map (x => x.head); - - def lnSummands(n: Double): Stream[Double] = - Stream.cons(1.0 / n, lnSummands(n + 1.0) map { x: Double => -x }) - - var ln0 = partialSums(lnSummands(1.0)); - var ln1 = euler(ln0); - var ln2 = veryGood(ln0, euler); - - def piSummands(n: Double): Stream[Double] = - Stream.cons(1.0 / n, piSummands(n + 2.0) map { x: Double => -x }) - - var pi0 = scale(4.0, partialSums(piSummands(1.0))); - var pi1 = euler(pi0); - var pi2 = veryGood(pi0, euler); - - def pad(s: String, n: Int): String = - if (n <= 0) s.substring(0, s.length() + n) - else pad(s + " ", n - 1); - def str(d: Double) = { val s = d.toString(); pad(s, 18 - s.length()) }; - - def test = { - var i = 0; - while (i < 10) { - Console.print("pi("+i+") = "); - Console.print(str(pi0.apply(i)) + ", "); - Console.print(str(pi1.apply(i)) + ", "); - Console.print(str(pi2.apply(i)) + "\n"); - i = i + 1; - } - Console.print("pi = "); - Console.print(str(Pi) + ", "); - Console.print(str(Pi) + ", "); - Console.print(str(Pi) + "\n"); - Console.println; - i = 0; - while (i < 10) { - Console.print("ln("+i+") = "); - Console.print(str(ln0.apply(i)) + ", "); - Console.print(str(ln1.apply(i)) + ", "); - Console.print(str(ln2.apply(i)) + "\n"); - i = i + 1; - } - Console.print("ln = "); - Console.print(str(log(2)) + ", "); - Console.print(str(log(2)) + ", "); - Console.print(str(log(2)) + "\n"); - Console.println; - } -} - -//############################################################################ - -object M2 { - - class IntIterator(start: Int) extends Iterator[Int] { - var current: Int = start; - def hasNext = true; - def next = { current = current + 1; current - 1 }; - } - - class PrimeIterator() extends Iterator[Int] { - var current: Iterator[Int] = new IntIterator(2); - def hasNext = true; - def next = { - val p = current.next; - current = current filter { x => !((x % p) == 0) }; - p - } - } - - def test = { - val i = (new PrimeIterator()).take(30); - Console.print("prime numbers:"); - while (i.hasNext) { Console.print(" " + i.next); } - Console.println; - } -} - -//############################################################################ - -object Test { - def main(args: Array[String]): Unit = { - M0.test; - M1.test; - M2.test; - () - } -} - -//############################################################################ -- cgit v1.2.3