Data commit

Task/Golden-ratio-Convergence/Go/golden-ratio-convergence.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+    "fmt"
+    "math"
+)
+
+func main() {
+    oldPhi := 1.0
+    var phi float64
+    iters := 0
+    limit := 1e-5
+    for {
+        phi = 1.0 + 1.0/oldPhi
+        iters++
+        if math.Abs(phi-oldPhi) <= limit {
+            break
+        }
+        oldPhi = phi
+    }
+    fmt.Printf("Final value of phi : %16.14f\n", phi)
+    actualPhi := (1.0 + math.Sqrt(5.0)) / 2.0
+    fmt.Printf("Number of iterations : %d\n", iters)
+    fmt.Printf("Error (approx) : %16.14f\n", phi-actualPhi)
+}