From: Debian Science Maintainers <debian-science-maintainers@lists.alioth.debian.org>
Date: Thu, 18 Dec 2025 07:37:30 +0000 (+0000)
Subject: Allow building with Cython 3.x
X-Git-Tag: archive/raspbian/0.14.6+dfsg-1+rpi1^2~4
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=e78a9f6d7088d2bf57a8cced5b978bef62b85929;p=statsmodels.git

Allow building with Cython 3.x

(= Cython _version_ 3.x, not to be confused with the cython3 binary)

Author: Chad Fulton, Rebecca N. Palmer <rebecca_palmer@zoho.com>
Origin: mostly https://github.com/statsmodels/statsmodels/pull/8961
Bug-Ubuntu: https://launchpad.net/bugs/2043284
Forwarded: no


Gbp-Pq: Name cython3p0_compat.patch
---

diff --git a/statsmodels/tsa/exponential_smoothing/_ets_smooth.pyx b/statsmodels/tsa/exponential_smoothing/_ets_smooth.pyx
index a5418aa..04703db 100644
--- a/statsmodels/tsa/exponential_smoothing/_ets_smooth.pyx
+++ b/statsmodels/tsa/exponential_smoothing/_ets_smooth.pyx
@@ -1,5 +1,5 @@
 #!python
-#cython: wraparound=False, boundscheck=False, cdivision=True
+#cython: wraparound=False, boundscheck=False, cdivision=True, cpow=True
 
 from cpython cimport bool
 import numpy as np
diff --git a/statsmodels/tsa/holtwinters/_exponential_smoothers.pyx b/statsmodels/tsa/holtwinters/_exponential_smoothers.pyx
index b244d85..787d2bd 100644
--- a/statsmodels/tsa/holtwinters/_exponential_smoothers.pyx
+++ b/statsmodels/tsa/holtwinters/_exponential_smoothers.pyx
@@ -1,5 +1,5 @@
 #!python
-#cython: language_level=3, wraparound=False, boundscheck=False, cdivision=True
+#cython: language_level=3, wraparound=False, boundscheck=False, cdivision=True, cpow=True
 
 import numpy as np
 
diff --git a/statsmodels/tsa/statespace/_filters/_inversions.pyx.in b/statsmodels/tsa/statespace/_filters/_inversions.pyx.in
index 7368788..583957f 100644
--- a/statsmodels/tsa/statespace/_filters/_inversions.pyx.in
+++ b/statsmodels/tsa/statespace/_filters/_inversions.pyx.in
@@ -1,6 +1,7 @@
 #cython: boundscheck=False
 #cython: wraparound=False
 #cython: cdivision=False
+#cython: cpow=True
 """
 State Space Models
 
diff --git a/statsmodels/tsa/statespace/_filters/_univariate.pyx.in b/statsmodels/tsa/statespace/_filters/_univariate.pyx.in
index 9008960..b9a9928 100644
--- a/statsmodels/tsa/statespace/_filters/_univariate.pyx.in
+++ b/statsmodels/tsa/statespace/_filters/_univariate.pyx.in
@@ -2,6 +2,7 @@
 #cython: boundscheck=False
 #cython: wraparound=False
 #cython: cdivision=False
+#cython: cpow=True
 """
 State Space Models
 
@@ -617,4 +618,4 @@ cdef {{cython_type}} {{prefix}}loglikelihood_univariate({{prefix}}KalmanFilter k
 cdef {{cython_type}} {{prefix}}scale_univariate({{prefix}}KalmanFilter kfilter, {{prefix}}Statespace model):
     return 0
 
-{{endfor}}
\ No newline at end of file
+{{endfor}}
diff --git a/statsmodels/tsa/statespace/_filters/_univariate_diffuse.pyx.in b/statsmodels/tsa/statespace/_filters/_univariate_diffuse.pyx.in
index 548bffc..9c6cde0 100644
--- a/statsmodels/tsa/statespace/_filters/_univariate_diffuse.pyx.in
+++ b/statsmodels/tsa/statespace/_filters/_univariate_diffuse.pyx.in
@@ -2,6 +2,7 @@
 #cython: boundscheck=False
 #cython: wraparound=False
 #cython: cdivision=False
+#cython: cpow=True
 """
 State Space Models
 
@@ -300,4 +301,4 @@ cdef {{cython_type}} {{prefix}}inverse_noop_univariate_diffuse({{prefix}}KalmanF
 cdef {{cython_type}} {{prefix}}loglikelihood_univariate_diffuse({{prefix}}KalmanFilter kfilter, {{prefix}}Statespace model, {{cython_type}} determinant):
     return 0
 
-{{endfor}}
\ No newline at end of file
+{{endfor}}