From 3761adcf1197a403d58ea4fdc1b67f3c7f5525e7 Mon Sep 17 00:00:00 2001
From: hugogogo <hugogogo@protonmail.com>
Date: Thu, 14 May 2026 12:42:57 +0200
Subject: [PATCH] fix coefficient sign error

---
 src/reducer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/reducer.c b/src/reducer.c
index 3f50294..caaefc6 100644
--- a/src/reducer.c
+++ b/src/reducer.c
@@ -19,9 +19,9 @@ static double get_all_terms_with_exponent(s_term *terms, int exponent)
         }
 
         // sign
-        sign = terms[i].sign == TERM_PLUS ? 1 : -1;
+        sign = 1;
         if (terms[i].position == TERM_RIGHT)
-            sign *= -1;
+            sign = terms[i].sign == TERM_PLUS ? -1 : 1;
 
         // add coefficients
         coefficient += terms[i].coefficient * sign;