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Groovy example source code file (recursive.groovy)
The Groovy recursive.groovy source code// --------------------------------------------------------------------- // The Great Computer Language Shootout // http://shootout.alioth.debian.org/ // // Contributed by Anthony Borla // --------------------------------------------------------------------- def calc() { n = Integer.parseInt(args[0]) printf("Ack(3,%d): %d\n", n, ack(3, n)) printf("Fib(%.1f): %.1f\n", 27.0D + n, fib(27.0D + n)) n -= 1 printf("Tak(%d,%d,%d): %d\n", n * 3, n * 2, n, tak(n * 3, n * 2, n)) printf("Fib(3): %d\n", fib(3)) printf("Tak(3.0,2.0,1.0): %.1f\n", tak(3.0D, 2.0D, 1.0D)) } // -------------------------------- def ack(x, y) { if (x == 0) return y + 1 if (y == 0) return ack(x - 1, 1) return ack(x - 1, ack(x, y - 1)) } // -------------- def fib(int n) { if (n < 2I) return 1I return fib(n - 2I) + fib(n - 1I) } def fib(double n) { if (n < 2.0D) return 1.0D return fib(n - 2.0D) + fib(n - 1.0D) } // -------------- def tak(int x, int y, int z) { if (y < x) return tak(tak(x - 1I, y, z), tak(y - 1I, z, x), tak(z - 1I, x, y)) return z } def tak(double x, double y, double z) { if (y < x) return tak(tak(x - 1.0D, y, z), tak(y - 1.0D, z, x), tak(z - 1.0D, x, y)) return z } calc () Other Groovy examples (source code examples)Here is a short list of links related to this Groovy recursive.groovy source code file: |
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