From 744050c4b4747ac4645480e2f4a935a027b8350f Mon Sep 17 00:00:00 2001
From: Mike White <botahamec@outlook.com>
Date: Mon, 6 Sep 2021 08:02:51 -0400
Subject: Alpha-beta pruning

---
 cli/src/eval.rs |  4 ++--
 cli/src/main.rs | 13 +++++++++++--
 2 files changed, 13 insertions(+), 4 deletions(-)

(limited to 'cli/src')

diff --git a/cli/src/eval.rs b/cli/src/eval.rs
index eaa2d41..d078c5f 100644
--- a/cli/src/eval.rs
+++ b/cli/src/eval.rs
@@ -1,4 +1,4 @@
 use ai::CheckersBitBoard;
-pub fn eval() -> f32 {
-	ai::eval(12, CheckersBitBoard::starting_position())
+pub fn eval(depth: usize) -> f32 {
+	ai::eval(depth, 0.0, 1.0, CheckersBitBoard::starting_position())
 }
diff --git a/cli/src/main.rs b/cli/src/main.rs
index 57991f0..a550092 100644
--- a/cli/src/main.rs
+++ b/cli/src/main.rs
@@ -47,7 +47,16 @@ fn main() {
 		);
 	}
 
-	if let Some(_matches) = matches.subcommand_matches("eval") {
-		println!("{}", eval::eval());
+	if let Some(matches) = matches.subcommand_matches("eval") {
+		println!(
+			"{}",
+			eval::eval(
+				matches
+					.value_of("depth")
+					.unwrap()
+					.parse::<usize>()
+					.expect("Error: not a valid number")
+			)
+		);
 	}
 }
-- 
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