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Diffstat (limited to 'test/pos/cours1.scala')
-rw-r--r-- | test/pos/cours1.scala | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/test/pos/cours1.scala b/test/pos/cours1.scala deleted file mode 100644 index 2dc3ac6238..0000000000 --- a/test/pos/cours1.scala +++ /dev/null @@ -1,54 +0,0 @@ -object test { - - def size = 2; - def pi = 3.14159; - def radius = 10; - def circumference = 2 * pi * radius; - def square(x: Double) = x * x; - def sumOfSquares(x: Double, y: Double) = square(x) + square(y); - def loop: Int = loop; - def first(x: Int, y: Int) = x; - def constOne(x: Int, def y: Int) = 1; - def abs(x: Double) = if (x >= 0) x else -x; - - 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); - - 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); - } - - 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); - } - - sqrt0(2); - sqrt1(2); - sqrt2(2); -}
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