From c98fb72b705a6f36ddc8941ac036cf450efb730e Mon Sep 17 00:00:00 2001
From: Brendan O'Donoghue <bodonoghue85@gmail.com>
Date: Tue, 4 Apr 2023 17:47:50 +0100
Subject: [PATCH] add extra check to newton step

---
 src/exp_cone.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/exp_cone.c b/src/exp_cone.c
index 5aa6a93d..fc4c6160 100644
--- a/src/exp_cone.c
+++ b/src/exp_cone.c
@@ -78,6 +78,11 @@ static scs_float root_search_newton(const scs_float *v0, scs_float xl,
 
   for (i = 0; i < MAXITER; i++) {
     hfun(v0, x, &f, &df);
+
+    if (ABS(f) <= EPS) { /* root found */
+      break;
+    }
+
     if (f < 0.0) {
       xl = x;
     } else {