Combined two flow control statements to save 7 bytes.

Daniel White · Daniel White · commit 3f1eb660ffa9 · 2015-02-16T20:45:10.000Z
diff --git a/iota.c b/iota.c
@@ -53,12 +53,9 @@ D(x, y, p, e) {
 				B[f]=m;
 				B[t]=v
 
-				I (m&16 && f==x & t+d==y) | // If GUI has given us a castling move,
-				   (m&128 && t==f+d & !(d%2))) // or double pawn first move, loop once more.
-					continue
-				
 				// Hit a piece or non-slider?
-				I v | m&8 K
+				// Also check for special cases of double initial pawn move or castling.
+				I (v | m&8) && (!(m&16) | f-x | t+d-y) && (!(m&128) | t-f-d | d%2) K
 			}
 		}
 	}

Original file line number	Diff line number	Diff line change
`@@ -53,12 +53,9 @@ D(x, y, p, e) {`
`53`	`53`	`B[f]=m;`
`54`	`54`	`B[t]=v`
`55`	`55`
`56`		`- I (m&16 && f==x & t+d==y) \| // If GUI has given us a castling move,`
`57`		`- (m&128 && t==f+d & !(d%2))) // or double pawn first move, loop once more.`
`58`		`- continue`
`59`		`-`
`60`	`56`	`// Hit a piece or non-slider?`
`61`		`- I v \| m&8 K`
	`57`	`+ // Also check for special cases of double initial pawn move or castling.`
	`58`	`+ I (v \| m&8) && (!(m&16) \| f-x \| t+d-y) && (!(m&128) \| t-f-d \| d%2) K`
`62`	`59`	`}`
`63`	`60`	`}`
`64`	`61`	`}`