From 1b379403ab971e188483df5d580c39695db7f44a Mon Sep 17 00:00:00 2001 From: Micha White Date: Wed, 27 Sep 2023 09:35:50 -0400 Subject: Big changes --- ai/src/main.rs | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 ai/src/main.rs (limited to 'ai/src/main.rs') diff --git a/ai/src/main.rs b/ai/src/main.rs new file mode 100644 index 0000000..dcedcb5 --- /dev/null +++ b/ai/src/main.rs @@ -0,0 +1,25 @@ +use ai::TranspositionTable; + +const DEPTH: u8 = 18; + +fn main() { + let board = ai::CheckersBitBoard::starting_position(); + let mut table = TranspositionTable::new(50_000); + let mut alpha = -1.0; + let mut beta = 1.0; + for i in 0..DEPTH { + let mut eval = ai::negamax(i, alpha, beta, board, table.mut_ref()); + + if (eval <= alpha) || (eval >= beta) { + eval = ai::negamax(i, -1.0, 1.0, board, table.mut_ref()); + } + + alpha = f32::max(eval + 0.125, -1.0); + beta = f32::min(eval + 0.125, 1.0); + } + + println!( + "{:?}", + ai::negamax(DEPTH, alpha, beta, board, table.mut_ref(),) + ); +} -- cgit v1.2.3