From 862dde5bcf894c82d8720bbe52fd22c5f49481ff Mon Sep 17 00:00:00 2001
From: z2 <88509734+z2-2z@users.noreply.github.com>
Date: Tue, 19 Dec 2023 17:31:52 +0100
Subject: [PATCH] [ruby/bigdecimal] Correctly computing loop iterations in
 `BigDecimal#sqrt` (https://github.com/ruby/bigdecimal/pull/280)

https://github.com/ruby/bigdecimal/commit/5843c89da4
---
 ext/bigdecimal/bigdecimal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index cb8874d31a1a1f..a473b2d42ef7e3 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -7230,7 +7230,7 @@ VpSqrt(Real *y, Real *x)
     y->MaxPrec = Min((size_t)n , y_prec);
     f->MaxPrec = y->MaxPrec + 1;
     n = (SIGNED_VALUE)(y_prec * BASE_FIG);
-    if (n < (SIGNED_VALUE)maxnr) n = (SIGNED_VALUE)maxnr;
+    if (n > (SIGNED_VALUE)maxnr) n = (SIGNED_VALUE)maxnr;
 
     /*
      * Perform: y_{n+1} = (y_n - x/y_n) / 2