Fix numpy 2.0 build error (#371)

* try explicit import

* add import everywhere

* pyproj

* try something for windows

* add long long to numeric

* test out another image?

* test older numpy version

* fix syntax

* revert

* [skip-ci] changelog

* Update pyproject.toml

Co-authored-by: Uwe L. Korn <[email protected]>

---------

Co-authored-by: Uwe L. Korn <[email protected]>

Author: MarcAntoineSchmidtQC

.github/workflows/build-wheels.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-20.04, windows-2019, macos-11]
+        os: [ubuntu-20.04, windows-2019, macos-12]
 
     steps:
       - uses: actions/checkout@v4

CHANGELOG.rst

@@ -14,6 +14,7 @@ Unreleased
 
 - Removed reference to the ``.A`` attribute and replaced it with ``.toarray()``.
 - Add support between formulaic and pandas 3.0
+- Support pypi release for numpy 2.0
 
 4.0.0 - 2024-04-23
 ------------------

pyproject.toml

@@ -4,7 +4,7 @@ requires = [
   'setuptools-scm', 
   'wheel',
   'mako',
-  'oldest-supported-numpy',
+  'numpy>=1.25',
   'Cython != 3.0.4',
 ]
 

src/tabmat/ext/categorical.pyx

@@ -9,6 +9,11 @@ ctypedef np.uint8_t uint8
 ctypedef np.int8_t int8
 from libcpp cimport bool
 
+np.import_array()
+
+ctypedef fused win_numeric:
+    numeric
+    long long
 
 cdef extern from "cat_split_helpers.cpp":
     void _transpose_matvec_all_rows_fast[Int, F](Int, Int*, F*, F*, Int)
@@ -215,7 +220,7 @@ def sandwich_categorical_complex(
 
 def multiply_complex(
     int[:] indices,
-    numeric[:] d,
+    win_numeric[:] d,
     int ncols,
     dtype,
     bint drop_first,
@@ -250,7 +255,7 @@ def multiply_complex(
         np.ndarray new_data = np.empty(nrows, dtype=dtype)
         np.ndarray new_indices = np.empty(nrows, dtype=np.int32)
         np.ndarray new_indptr = np.empty(nrows + 1, dtype=np.int32)
-        numeric[:] vnew_data = new_data
+        win_numeric[:] vnew_data = new_data
         int[:] vnew_indices = new_indices
         int[:] vnew_indptr = new_indptr
 

src/tabmat/ext/dense.pyx

@@ -5,6 +5,9 @@ from cython cimport floating
 from cython.parallel import prange
 from libc.stdint cimport int64_t
 
+np.import_array()
+
+
 cdef extern from "dense_helpers.cpp":
     void _denseC_sandwich[Int, F](Int*, Int*, F*, F*, F*, Int, Int, Int, Int, Int, Int, Int) nogil
     void _denseF_sandwich[Int, F](Int*, Int*, F*, F*, F*, Int, Int, Int, Int, Int, Int, Int) nogil

src/tabmat/ext/sparse.pyx

@@ -5,6 +5,9 @@ from cython cimport floating, integral
 from cython.parallel import prange
 from libc.stdint cimport int64_t
 
+
+np.import_array()
+
 ctypedef np.uint8_t uint8
 
 ctypedef fused win_integral: