September Morn Update

Task/Trabb-Pardo-Knuth-algorithm/00META.yaml

@@ -0,0 +1 @@
+--- {}

Task/Trabb-Pardo-Knuth-algorithm/Elena/trabb-pardo-knuth-algorithm.elena

@@ -1,32 +1,33 @@
-import system'math
-import extensions.
+import system'math;
+import extensions;
 
-program =
-[
-    array<real> inputs := real<>(11).
-    console printLine("Please enter 11 numbers :").
-    0 till:11 do(:i)
-    [
-        inputs[i] := console readLine; toReal.
-    ].
+public program()
+{
+    real[] inputs := new real[](11);
+    console.printLine("Please enter 11 numbers :");
+    for(int i := 0, i < 11, i += 1)
+    {
+        inputs[i] := console.readLine().toReal()
+    };
 
-    console printLine("Evaluating f(x) = |x|^0.5 + 5x^3 for the given inputs :").
-    10 to:0 do(:i)
-    [
-        var r1 := inputs[i] absolute; sqrt.
-        var r2 := inputs[i] power(3).
-        var r :=inputs[i] /*absolute;*/ sqrt + 5*r2.
+    console.printLine("Evaluating f(x) = |x|^0.5 + 5x^3 for the given inputs :");
+    for(int i := 10, i >= 0, i -= 1)
+    {
+        var r1 := inputs[i].Absolute.sqrt();
+        var r2 := inputs[i].power(3);
+        //var r :=inputs[i]/*absolute;*/.sqrt() + 5*r2;
 
-        real result := (inputs[i] absolute; sqrt) + 5 * (inputs[i] power(3)).
+        real result := (inputs[i].Absolute.sqrt()) + 5 * inputs[i].power(3);
 
-        console print("f(", inputs[i], ")=").
+        console.print("f(", inputs[i], ")=");
 
         if (result > 400)
-        [
-            console printLine("Overflow!")
-        ];
-        [
-            console printLine(result).
-        ]
-    ]
-].
+        {
+            console.printLine("Overflow!")
+        }
+        else
+        {
+            console.printLine(result)
+        }
+    }
+}

Task/Trabb-Pardo-Knuth-algorithm/Rust/trabb-pardo-knuth-algorithm.rust

@@ -0,0 +1,30 @@
+use std::io::{self, BufRead};
+
+fn op(x: f32) -> Option<f32> {
+    let y = x.abs().sqrt() + 5.0 * x * x * x;
+    if y < 400.0 {
+        Some(y)
+    } else {
+        None
+    }
+}
+
+fn main() {
+    println!("Please enter 11 numbers (one number per line)");
+    let stdin = io::stdin();
+
+    let xs = stdin
+        .lock()
+        .lines()
+        .map(|ox| ox.unwrap().trim().to_string())
+        .flat_map(|s| str::parse::<f32>(&s))
+        .take(11)
+        .collect::<Vec<_>>();
+
+    for x in xs.into_iter().rev() {
+        match op(x) {
+            Some(y) => println!("{}", y),
+            None => println!("overflow"),
+        };
+    }
+}