From 60720ee4d160fc2ae8ed74f98668f486ad862cef Mon Sep 17 00:00:00 2001
From: Stefan Behnel <stefan_ml@behnel.de>
Date: Thu, 4 May 2023 09:18:16 +0200
Subject: [PATCH] Add "noexcept" markers to functions that do not raise
 exceptions
 
---
 numpy/random/_common.pxd  | 40 +++++++++++++++++++--------------------
 numpy/random/_common.pyx  |  2 +-
 numpy/random/_mt19937.pyx |  8 ++++----
 numpy/random/_pcg64.pyx   |  6 +++---
 numpy/random/_philox.pyx  |  6 +++---
 numpy/random/_sfc64.pyx   |  6 +++---
 6 files changed, 34 insertions(+), 34 deletions(-)
 
diff --git a/numpy/random/_common.pxd b/numpy/random/_common.pxd
index 3eaf39d..5419d63 100644
--- a/numpy/random/_common.pxd
+++ b/numpy/random/_common.pxd
@@ -39,32 +39,32 @@ cdef extern from "include/aligned_malloc.h":
     cdef void *PyArray_calloc_aligned(size_t n, size_t s)
     cdef void PyArray_free_aligned(void *p)
 
-ctypedef void (*random_double_fill)(bitgen_t *state, np.npy_intp count, double* out) nogil
-ctypedef double (*random_double_0)(void *state) nogil
-ctypedef double (*random_double_1)(void *state, double a) nogil
-ctypedef double (*random_double_2)(void *state, double a, double b) nogil
-ctypedef double (*random_double_3)(void *state, double a, double b, double c) nogil
+ctypedef void (*random_double_fill)(bitgen_t *state, np.npy_intp count, double* out) noexcept nogil
+ctypedef double (*random_double_0)(void *state) noexcept nogil
+ctypedef double (*random_double_1)(void *state, double a) noexcept nogil
+ctypedef double (*random_double_2)(void *state, double a, double b) noexcept nogil
+ctypedef double (*random_double_3)(void *state, double a, double b, double c) noexcept nogil
 
-ctypedef void (*random_float_fill)(bitgen_t *state, np.npy_intp count, float* out) nogil
-ctypedef float (*random_float_0)(bitgen_t *state) nogil
-ctypedef float (*random_float_1)(bitgen_t *state, float a) nogil
+ctypedef void (*random_float_fill)(bitgen_t *state, np.npy_intp count, float* out) noexcept nogil
+ctypedef float (*random_float_0)(bitgen_t *state) noexcept nogil
+ctypedef float (*random_float_1)(bitgen_t *state, float a) noexcept nogil
 
-ctypedef int64_t (*random_uint_0)(void *state) nogil
-ctypedef int64_t (*random_uint_d)(void *state, double a) nogil
-ctypedef int64_t (*random_uint_dd)(void *state, double a, double b) nogil
-ctypedef int64_t (*random_uint_di)(void *state, double a, uint64_t b) nogil
-ctypedef int64_t (*random_uint_i)(void *state, int64_t a) nogil
-ctypedef int64_t (*random_uint_iii)(void *state, int64_t a, int64_t b, int64_t c) nogil
+ctypedef int64_t (*random_uint_0)(void *state) noexcept nogil
+ctypedef int64_t (*random_uint_d)(void *state, double a) noexcept nogil
+ctypedef int64_t (*random_uint_dd)(void *state, double a, double b) noexcept nogil
+ctypedef int64_t (*random_uint_di)(void *state, double a, uint64_t b) noexcept nogil
+ctypedef int64_t (*random_uint_i)(void *state, int64_t a) noexcept nogil
+ctypedef int64_t (*random_uint_iii)(void *state, int64_t a, int64_t b, int64_t c) noexcept nogil
 
-ctypedef uint32_t (*random_uint_0_32)(bitgen_t *state) nogil
-ctypedef uint32_t (*random_uint_1_i_32)(bitgen_t *state, uint32_t a) nogil
+ctypedef uint32_t (*random_uint_0_32)(bitgen_t *state) noexcept nogil
+ctypedef uint32_t (*random_uint_1_i_32)(bitgen_t *state, uint32_t a) noexcept nogil
 
-ctypedef int32_t (*random_int_2_i_32)(bitgen_t *state, int32_t a, int32_t b) nogil
-ctypedef int64_t (*random_int_2_i)(bitgen_t *state, int64_t a, int64_t b) nogil
+ctypedef int32_t (*random_int_2_i_32)(bitgen_t *state, int32_t a, int32_t b) noexcept nogil
+ctypedef int64_t (*random_int_2_i)(bitgen_t *state, int64_t a, int64_t b) noexcept nogil
 
-cdef double kahan_sum(double *darr, np.npy_intp n)
+cdef double kahan_sum(double *darr, np.npy_intp n) noexcept
 
-cdef inline double uint64_to_double(uint64_t rnd) nogil:
+cdef inline double uint64_to_double(uint64_t rnd) noexcept nogil:
     return (rnd >> 11) * (1.0 / 9007199254740992.0)
 
 cdef object double_fill(void *func, bitgen_t *state, object size, object lock, object out)
diff --git a/numpy/random/_common.pyx b/numpy/random/_common.pyx
index 7b6f693..c5e4e32 100644
--- a/numpy/random/_common.pyx
+++ b/numpy/random/_common.pyx
@@ -171,7 +171,7 @@ cdef object prepare_ctypes(bitgen_t *bitgen):
                         ctypes.c_void_p(<uintptr_t>bitgen))
     return _ctypes
 
-cdef double kahan_sum(double *darr, np.npy_intp n):
+cdef double kahan_sum(double *darr, np.npy_intp n) noexcept:
     """
     Parameters
     ----------
diff --git a/numpy/random/_mt19937.pyx b/numpy/random/_mt19937.pyx
index 5a8d52e..8b99125 100644
--- a/numpy/random/_mt19937.pyx
+++ b/numpy/random/_mt19937.pyx
@@ -28,16 +28,16 @@ cdef extern from "src/mt19937/mt19937.h":
     enum:
         RK_STATE_LEN
 
-cdef uint64_t mt19937_uint64(void *st) nogil:
+cdef uint64_t mt19937_uint64(void *st) noexcept nogil:
     return mt19937_next64(<mt19937_state *> st)
 
-cdef uint32_t mt19937_uint32(void *st) nogil:
+cdef uint32_t mt19937_uint32(void *st) noexcept nogil:
     return mt19937_next32(<mt19937_state *> st)
 
-cdef double mt19937_double(void *st) nogil:
+cdef double mt19937_double(void *st) noexcept nogil:
     return mt19937_next_double(<mt19937_state *> st)
 
-cdef uint64_t mt19937_raw(void *st) nogil:
+cdef uint64_t mt19937_raw(void *st) noexcept nogil:
     return <uint64_t>mt19937_next32(<mt19937_state *> st)
 
 cdef class MT19937(BitGenerator):
diff --git a/numpy/random/_pcg64.pyx b/numpy/random/_pcg64.pyx
index c0a10a8..dee38c0 100644
--- a/numpy/random/_pcg64.pyx
+++ b/numpy/random/_pcg64.pyx
@@ -30,13 +30,13 @@ cdef extern from "src/pcg64/pcg64.h":
     uint32_t pcg64_cm_next32(pcg64_state *state)  nogil
     void pcg64_cm_advance(pcg64_state *state, uint64_t *step)
 
-cdef uint64_t pcg64_uint64(void* st) nogil:
+cdef uint64_t pcg64_uint64(void* st) noexcept nogil:
     return pcg64_next64(<pcg64_state *>st)
 
-cdef uint32_t pcg64_uint32(void *st) nogil:
+cdef uint32_t pcg64_uint32(void *st) noexcept nogil:
     return pcg64_next32(<pcg64_state *> st)
 
-cdef double pcg64_double(void* st) nogil:
+cdef double pcg64_double(void* st) noexcept nogil:
     return uint64_to_double(pcg64_next64(<pcg64_state *>st))
 
 cdef uint64_t pcg64_cm_uint64(void* st) nogil:
diff --git a/numpy/random/_philox.pyx b/numpy/random/_philox.pyx
index d9a366e..e0c0504 100644
--- a/numpy/random/_philox.pyx
+++ b/numpy/random/_philox.pyx
@@ -42,13 +42,13 @@ cdef extern from 'src/philox/philox.h':
     void philox_advance(uint64_t *step, philox_state *state)
 
 
-cdef uint64_t philox_uint64(void*st) nogil:
+cdef uint64_t philox_uint64(void*st) noexcept nogil:
     return philox_next64(<philox_state *> st)
 
-cdef uint32_t philox_uint32(void *st) nogil:
+cdef uint32_t philox_uint32(void *st) noexcept nogil:
     return philox_next32(<philox_state *> st)
 
-cdef double philox_double(void*st) nogil:
+cdef double philox_double(void*st) noexcept nogil:
     return uint64_to_double(philox_next64(<philox_state *> st))
 
 cdef class Philox(BitGenerator):
diff --git a/numpy/random/_sfc64.pyx b/numpy/random/_sfc64.pyx
index 1daee34..419045c 100644
--- a/numpy/random/_sfc64.pyx
+++ b/numpy/random/_sfc64.pyx
@@ -21,13 +21,13 @@ cdef extern from "src/sfc64/sfc64.h":
     void sfc64_set_state(sfc64_state *state, uint64_t *state_arr, int has_uint32, uint32_t uinteger)
 
 
-cdef uint64_t sfc64_uint64(void* st) nogil:
+cdef uint64_t sfc64_uint64(void* st) noexcept nogil:
     return sfc64_next64(<sfc64_state *>st)
 
-cdef uint32_t sfc64_uint32(void *st) nogil:
+cdef uint32_t sfc64_uint32(void *st) noexcept nogil:
     return sfc64_next32(<sfc64_state *> st)
 
-cdef double sfc64_double(void* st) nogil:
+cdef double sfc64_double(void* st) noexcept nogil:
     return uint64_to_double(sfc64_next64(<sfc64_state *>st))
 
 
-- 
2.40.1
 
From 910aff8c5827e13a7b8bb32e22604cf5e35943fc Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Sat, 13 May 2023 21:33:45 -0400
Subject: [PATCH] MNT: compatibility with cython3
 
This is fallout from https://github.com/cython/cython/pull/5386
---
 numpy/random/_pcg64.pyx  | 11 +++++------
 numpy/random/_philox.pyx |  4 ++--
 2 files changed, 7 insertions(+), 8 deletions(-)
 
diff --git a/numpy/random/_pcg64.pyx b/numpy/random/_pcg64.pyx
index dee38c0..f7891aa 100644
--- a/numpy/random/_pcg64.pyx
+++ b/numpy/random/_pcg64.pyx
@@ -26,8 +26,8 @@ cdef extern from "src/pcg64/pcg64.h":
     void pcg64_get_state(pcg64_state *state, uint64_t *state_arr, int *has_uint32, uint32_t *uinteger)
     void pcg64_set_state(pcg64_state *state, uint64_t *state_arr, int has_uint32, uint32_t uinteger)
 
-    uint64_t pcg64_cm_next64(pcg64_state *state)  nogil
-    uint32_t pcg64_cm_next32(pcg64_state *state)  nogil
+    uint64_t pcg64_cm_next64(pcg64_state *state)  noexcept nogil
+    uint32_t pcg64_cm_next32(pcg64_state *state)  noexcept nogil
     void pcg64_cm_advance(pcg64_state *state, uint64_t *step)
 
 cdef uint64_t pcg64_uint64(void* st) noexcept nogil:
@@ -39,13 +39,13 @@ cdef uint32_t pcg64_uint32(void *st) noexcept nogil:
 cdef double pcg64_double(void* st) noexcept nogil:
     return uint64_to_double(pcg64_next64(<pcg64_state *>st))
 
-cdef uint64_t pcg64_cm_uint64(void* st) nogil:
+cdef uint64_t pcg64_cm_uint64(void* st) noexcept nogil:
     return pcg64_cm_next64(<pcg64_state *>st)
 
-cdef uint32_t pcg64_cm_uint32(void *st) nogil:
+cdef uint32_t pcg64_cm_uint32(void *st) noexcept nogil:
     return pcg64_cm_next32(<pcg64_state *> st)
 
-cdef double pcg64_cm_double(void* st) nogil:
+cdef double pcg64_cm_double(void* st) noexcept nogil:
     return uint64_to_double(pcg64_cm_next64(<pcg64_state *>st))
 
 cdef class PCG64(BitGenerator):
@@ -515,4 +515,3 @@ cdef class PCG64DXSM(BitGenerator):
         pcg64_cm_advance(&self.rng_state, <uint64_t *>np.PyArray_DATA(d))
         self._reset_state_variables()
         return self
-
diff --git a/numpy/random/_philox.pyx b/numpy/random/_philox.pyx
index e0c0504..e535346 100644
--- a/numpy/random/_philox.pyx
+++ b/numpy/random/_philox.pyx
@@ -36,8 +36,8 @@ cdef extern from 'src/philox/philox.h':
 
     ctypedef s_philox_state philox_state
 
-    uint64_t philox_next64(philox_state *state)  nogil
-    uint32_t philox_next32(philox_state *state)  nogil
+    uint64_t philox_next64(philox_state *state)  noexcept nogil
+    uint32_t philox_next32(philox_state *state)  noexcept nogil
     void philox_jump(philox_state *state)
     void philox_advance(uint64_t *step, philox_state *state)
 
-- 
2.40.1
 
From 83d7c201d7ad01fcacb8a3a8da3206f77a01f274 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
Date: Mon, 31 Jul 2023 11:46:23 +0200
Subject: [PATCH] Unpin Cython to allow 3
 
---
 pyproject.toml        | 2 +-
 test_requirements.txt | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
 
diff --git a/pyproject.toml b/pyproject.toml
index 60e7f58..557ae21 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@
 requires = [
     "setuptools==59.2.0",
     "wheel==0.37.0",
-    "Cython>=0.29.30,<3.0",
+    "Cython>=0.29.34",
 ]
 
 
diff --git a/test_requirements.txt b/test_requirements.txt
index 67b6a48..a065e99 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -1,4 +1,4 @@
-cython>=0.29.30,<3.0
+cython>=0.29.34
 wheel==0.37.0
 setuptools==59.2.0
 hypothesis==6.24.1
-- 
2.40.1