Enable tests that succeed.

1 files changed, 239 insertions, 0 deletions

diff --git a/tests/run/Course-2002-01.scala b/tests/run/Course-2002-01.scala
new file mode 100644
index 000000000..3426f26ee
--- /dev/null
+++ b/tests/run/Course-2002-01.scala
@@ -0,0 +1,239 @@
+//############################################################################
+// Programmation IV - 2002 - Week 01
+//############################################################################
+
+object M0 {
+
+  //##########################################################################
+
+  Console.println(87 + 145);
+  Console.println(1000 - 333);
+  Console.println(5 + 2 * 3);
+
+  //##########################################################################
+
+  def size = 2;
+  def pi = 3.14159;
+  def radius = 10;
+  def circumference = 2 * pi * radius;
+
+  Console.println(5 * size);
+  Console.println(2 * pi * radius);
+  Console.println(circumference);
+  Console.println((2 * pi) * radius);
+
+  //##########################################################################
+
+  def square(x: Double) = x * x;
+
+  Console.println(square(2));
+  Console.println(square(5 + 4));
+  Console.println(square(square(4)));
+
+  //##########################################################################
+
+  def sumOfSquares(x: Double, y: Double) = square(x) + square(y);
+
+  Console.println(sumOfSquares(3, 2+2));
+
+  //##########################################################################
+
+  def loop: Int = loop;
+  def first(x: Int, y: Int) = x;
+  def constOne(x: Int, y: => Int) = 1;
+
+  Console.println(constOne(1, loop));
+
+  //##########################################################################
+
+  def abs(x: Double) = if (x >= 0) x else -x;
+
+  Console.println(abs(737));
+  Console.println(abs(1));
+  Console.println(abs(0));
+  Console.println(abs(-1));
+  Console.println(abs(-76));
+
+  //##########################################################################
+
+  def sqrtIter0(guess: Double, x: Double): Double =
+    if (isGoodEnough0(guess, x)) guess
+    else sqrtIter0(improve0(guess, x), x);
+
+  def improve0(guess: Double, x: Double) =
+    (guess + x / guess) / 2;
+
+  def isGoodEnough0(guess: Double, x: Double) =
+    abs(square(guess) - x) < 0.001;
+
+  def sqrt0(x: Double) = sqrtIter0(1.0, x);
+
+  Console.println(sqrt0(2));
+  Console.println(sqrt0(3));
+  Console.println(sqrt0(4));
+
+  //##########################################################################
+
+  def sqrt1(x: Double) = {
+    def sqrtIter1(guess: Double, x: Double): Double =
+      if (isGoodEnough1(guess, x)) guess
+      else sqrtIter1(improve1(guess, x), x);
+
+    def improve1(guess: Double, x: Double) =
+      (guess + x / guess) / 2;
+
+    def isGoodEnough1(guess: Double, x: Double) =
+      abs(square(guess) - x) < 0.001;
+
+    sqrtIter1(1.0, x)
+  }
+
+  Console.println(sqrt1(2));
+  Console.println(sqrt1(3));
+  Console.println(sqrt1(4));
+
+  //##########################################################################
+
+  def sqrt2(x: Double) = {
+    def sqrtIter2(guess: Double): Double =
+      if (isGoodEnough2(guess)) guess
+      else sqrtIter2(improve2(guess));
+
+    def improve2(guess: Double) =
+      (guess + x / guess) / 2;
+
+    def isGoodEnough2(guess: Double) =
+      abs(square(guess) - x) < 0.001;
+
+    sqrtIter2(1.0)
+  }
+
+  Console.println(sqrt2(2));
+  Console.println(sqrt2(3));
+  Console.println(sqrt2(4));
+
+  //##########################################################################
+}
+
+//############################################################################
+
+object M1 {
+  def abs(x: Double) = if (x >= 0) x else -x;
+
+  def sqrt(x: Double): Double = {
+    def sqrtIter(prev: Double, guess: Double): Double =
+      if (isGoodEnough(prev, guess)) guess
+      else sqrtIter(guess, improve(guess));
+
+    def improve(guess: Double) = (guess + x / guess) / 2;
+
+    def isGoodEnough(prev: Double, guess: Double) =
+      abs(prev - guess) / guess < 0.001;
+
+    sqrtIter(1.0, improve(1.0))
+  }
+
+  Console.println("sqrt(2) = " + sqrt(2));
+}
+
+//############################################################################
+
+object M2 {
+  def abs(x: Double) = if (x >= 0) x else -x;
+
+  def sqrt(x:Double):Double = {
+    def sqrtIter(guess:Double):Double = {
+      val next = improve(guess);
+      if (isGoodEnough(guess,next)) next
+      else sqrtIter(next)
+    }
+
+    def improve(guess:Double) = (guess+x/guess)/2;
+
+    def isGoodEnough(prev:Double,guess:Double) = abs(prev-guess)/guess<0.001;
+
+    sqrtIter(1.0)
+  }
+
+  Console.println("sqrt(2) = " + sqrt(2));
+}
+
+//############################################################################
+
+object M3 {
+  def abs(x: Double) = if (x >= 0) x else -x;
+
+  def cbrt(x:Double):Double = {
+    def cbrtIter(guess:Double):Double = {
+      val next = improve(guess);
+      if (isGoodEnough(guess,next)) next
+      else cbrtIter(next)
+    }
+
+    def improve(y:Double) = (x/(y*y)+2*y)/3;
+
+    def isGoodEnough(prev:Double,guess:Double) = abs(prev-guess)/guess<0.001;
+
+    cbrtIter(1.0)
+  }
+
+  Console.println("cbrt(2) = " + cbrt(2));
+}
+
+//############################################################################
+
+object M4 {
+  def pascal(c: Int, l: Int): Int =
+    if (c <= 0 || c >= l) 1
+    else pascal(c - 1, l - 1) + pascal(c, l - 1);
+
+  Console.print(pascal(0,0));
+  Console.println;
+
+  Console.print(pascal(0,1));
+  Console.print(' ');
+  Console.print(pascal(1,1));
+  Console.println;
+
+  Console.print(pascal(0,2));
+  Console.print(' ');
+  Console.print(pascal(1,2));
+  Console.print(' ');
+  Console.print(pascal(2,2));
+  Console.println;
+
+  Console.print(pascal(0,3));
+  Console.print(' ');
+  Console.print(pascal(1,3));
+  Console.print(' ');
+  Console.print(pascal(2,3));
+  Console.print(' ');
+  Console.print(pascal(3,3));
+  Console.println;
+
+  Console.print(pascal(0,4));
+  Console.print(' ');
+  Console.print(pascal(1,4));
+  Console.print(' ');
+  Console.print(pascal(2,4));
+  Console.print(' ');
+  Console.print(pascal(3,4));
+  Console.print(' ');
+  Console.print(pascal(4,4));
+  Console.println;
+}
+
+//############################################################################
+
+object Test {
+  def main(args: Array[String]): Unit = {
+    M0;
+    M1;
+    M2;
+    M3;
+    M4;
+    ()
+  }
+}
+
+//############################################################################