Merge pull request #3 from MatthewSZhang/cython-final

MNT add final decorator in cython

fastcan/_cancorr_fast.pyx

@@ -3,13 +3,14 @@
 # Fast feature selection with sum squared canoncial correlation coefficents
 from libc.stdlib cimport malloc, free
 from libc.string cimport memset
-from cython cimport floating
+from cython cimport floating, final
 from cython.parallel import prange
 from scipy.linalg.cython_blas cimport isamax, idamax
 from sklearn.utils._cython_blas cimport ColMajor, NoTrans
 from sklearn.utils._cython_blas cimport _dot, _scal, _nrm2, _gemm, _axpy
 from sklearn.utils._typedefs cimport int32_t
 
+@final
 cdef unsigned int _bsum(
     bint* x,
     unsigned int n,
@@ -23,6 +24,7 @@ cdef unsigned int _bsum(
         total += x[i]
     return total
 
+@final
 cdef int _iamax(
     int n,
     const floating *x,
@@ -38,6 +40,7 @@ cdef int _iamax(
     else:
         return idamax(&n, <double *> x, &incx) - 1
 
+@final
 cdef bint _normv(
     floating[::1] x,            # IN/OUT
 ) noexcept nogil:
@@ -58,6 +61,7 @@ cdef bint _normv(
     _scal(n_samples, x_norm, &x[0], 1)
     return False
 
+@final
 cdef void _normm(
     floating[::1, :] X,     # IN/OUT
     bint* m,            # IN/OUT
@@ -84,7 +88,7 @@ cdef void _normm(
             x_norm = 1.0/x_norm
             _scal(n_samples, x_norm, &X[0, j], 1)
 
-
+@final
 cdef floating _sscvm(
     const floating[::1] w,      # IN
     const floating[::1, :] V,   # IN
@@ -114,6 +118,7 @@ cdef floating _sscvm(
     free(r)
     return r2
 
+@final
 cdef void _mgsvv(
     const floating[::1] w,      # IN
     floating[::1] x,            # IN/OUT
@@ -133,7 +138,7 @@ cdef void _mgsvv(
     # x = x - w*r
     _axpy(n_samples, -r, &w[0], 1, &x[0], 1)
 
-
+@final
 cpdef int _forward_search(
     floating[::1, :] X,               # IN/OUT
     floating[::1, :] V,               # IN

meson.build

@@ -1,7 +1,7 @@
 project(
   'fastcan',
   'c', 'cython',
-  version: '0.1.26',
+  version: '0.2.1',
   license: 'MIT',
   meson_version: '>= 1.1.0',
   default_options: [

pyproject.toml

@@ -69,7 +69,7 @@ test-coverage = { cmd = "rm -rf .coverage && pytest --cov-report $FMT --cov=$PAC
 [tool.pixi.feature.build.tasks]
 build-wheel = "rm -rf dist && python -m build -wnx -Cinstall-args=--tags=runtime,python-runtime,devel"
 build-sdist = "rm -rf dist && python -m build --sdist"
-rebuild = "uv pip install --no-deps --force-reinstall -e ."
+rebuild = "rm -rf build && uv pip install --no-deps --force-reinstall -e ."
 
 [tool.pixi.feature.fmt.tasks]
 fmt = { cmd = "black .", cwd = "fastcan" }