1 1.1 rillig /* $NetBSD: opt_c.c,v 1.1 2021/10/22 20:54:36 rillig Exp $ */ 2 1.1 rillig /* $FreeBSD$ */ 3 1.1 rillig 4 1.1 rillig #indent input 5 1.1 rillig bool 6 1.1 rillig is_prime(int n) 7 1.1 rillig { 8 1.1 rillig if (n <= 3) 9 1.1 rillig return n >= 2; /* special case */ 10 1.1 rillig if (n % 2 == 0) 11 1.1 rillig return false; /* even numbers */ 12 1.1 rillig return true; 13 1.1 rillig } 14 1.1 rillig #indent end 15 1.1 rillig 16 1.1 rillig #indent run -c49 17 1.1 rillig bool 18 1.1 rillig is_prime(int n) 19 1.1 rillig { 20 1.1 rillig if (n <= 3) 21 1.1 rillig return n >= 2; /* special case */ 22 1.1 rillig if (n % 2 == 0) 23 1.1 rillig return false; /* even numbers */ 24 1.1 rillig return true; 25 1.1 rillig } 26 1.1 rillig #indent end 27