From fb9706011fb97ce7dba77ade9e47b4df93ac272f Mon Sep 17 00:00:00 2001
From: Antonio Valentino <antonio.valentino@tiscali.it>
Date: Sun, 3 Dec 2023 11:04:42 +0100
Subject: [PATCH] Compatibility with cython 3.0

---
 pysph/base/linalg3.pyx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pysph/base/linalg3.pyx b/pysph/base/linalg3.pyx
index 1130654f3..d4ee036d2 100644
--- a/pysph/base/linalg3.pyx
+++ b/pysph/base/linalg3.pyx
@@ -4,15 +4,15 @@
 # Eigen decomposition code for symmetric 3x3 matrices, some code taken
 # from the public domain Java Matrix library JAMA
 
-from libc.math cimport sqrt, cos, acos, sin, atan2, M_PI
+from libc.math cimport sqrt, cos, acos, sin, atan2, fabs, M_PI
 from libc.string cimport memcpy
 
 from numpy.linalg import eigh
 cimport numpy
 import numpy
 
-cdef extern:
-    double fabs(double) nogil
+# cdef extern:
+#     double fabs(double) nogil
 
 # this is cython substitute for const values
 cdef enum: