From 52da5b8724df577daacde7d705257c722422cd19 Mon Sep 17 00:00:00 2001
From: Jeroen van Rijn <Kelimion@users.noreply.github.com>
Date: Fri, 3 Sep 2021 23:53:32 +0200
Subject: [PATCH] big: Default to Frobenius-Underwood. It's 10% faster than
 Lucas-Selfridge.

---
 core/math/big/common.odin | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/math/big/common.odin b/core/math/big/common.odin
index 4d8224cd6..243e74d0c 100644
--- a/core/math/big/common.odin
+++ b/core/math/big/common.odin
@@ -80,7 +80,8 @@ FACTORIAL_BINARY_SPLIT_MAX_RECURSIONS := 100;
 
 	Use Frobenius-Underwood for primality testing, or use Lucas-Selfridge (default).
 */
-MATH_BIG_USE_FROBENIUS_TEST :: #config(MATH_BIG_USE_FROBENIUS_TEST, false);
+MATH_BIG_USE_LUCAS_SELFRIDGE_TEST :: #config(MATH_BIG_USE_LUCAS_SELFRIDGE_TEST, false);
+MATH_BIG_USE_FROBENIUS_TEST       :: !MATH_BIG_USE_LUCAS_SELFRIDGE_TEST;
 
 /*
 	Runtime tunable to use Miller-Rabin primality testing only and skip the above.