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FIX add argument to _check_sample_weight #73

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FIX add argument to _check_sample_weight #73

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cff14fe
FIX add argument to _check_sample_weight
PSSF23 Jun 23, 2025
aad1584
FIX update cython blas scikit-learn#31263
PSSF23 Jul 10, 2025
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2 changes: 1 addition & 1 deletion sklearn/tree/_classes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -401,7 +401,7 @@ def _fit(
max_leaf_nodes = -1 if self.max_leaf_nodes is None else self.max_leaf_nodes

if sample_weight is not None:
sample_weight = _check_sample_weight(sample_weight, X, DOUBLE)
sample_weight = _check_sample_weight(sample_weight, X, dtype=DOUBLE)

if y is not None and expanded_class_weight is not None:
if sample_weight is not None:
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40 changes: 23 additions & 17 deletions sklearn/utils/_cython_blas.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -126,8 +126,8 @@ cdef void _gemv(BLAS_Order order, BLAS_Trans ta, int m, int n, floating alpha,
floating beta, floating *y, int incy) noexcept nogil:
"""y := alpha * op(A).x + beta * y"""
cdef char ta_ = ta
if order == RowMajor:
ta_ = NoTrans if ta == Trans else Trans
if order == BLAS_Order.RowMajor:
ta_ = BLAS_Trans.NoTrans if ta == BLAS_Trans.Trans else BLAS_Trans.Trans
if floating is float:
sgemv(&ta_, &n, &m, &alpha, <float *> A, &lda, <float *> x,
&incx, &beta, y, &incy)
Expand All @@ -148,8 +148,10 @@ cpdef _gemv_memview(BLAS_Trans ta, floating alpha, const floating[:, :] A,
cdef:
int m = A.shape[0]
int n = A.shape[1]
BLAS_Order order = ColMajor if A.strides[0] == A.itemsize else RowMajor
int lda = m if order == ColMajor else n
BLAS_Order order = (
BLAS_Order.ColMajor if A.strides[0] == A.itemsize else BLAS_Order.RowMajor
)
int lda = m if order == BLAS_Order.ColMajor else n

_gemv(order, ta, m, n, alpha, &A[0, 0], lda, &x[0], 1, beta, &y[0], 1)

Expand All @@ -158,7 +160,7 @@ cdef void _ger(BLAS_Order order, int m, int n, floating alpha,
const floating *x, int incx, const floating *y,
int incy, floating *A, int lda) noexcept nogil:
"""A := alpha * x.y.T + A"""
if order == RowMajor:
if order == BLAS_Order.RowMajor:
if floating is float:
sger(&n, &m, &alpha, <float *> y, &incy, <float *> x, &incx, A, &lda)
else:
Expand All @@ -175,8 +177,10 @@ cpdef _ger_memview(floating alpha, const floating[::1] x,
cdef:
int m = A.shape[0]
int n = A.shape[1]
BLAS_Order order = ColMajor if A.strides[0] == A.itemsize else RowMajor
int lda = m if order == ColMajor else n
BLAS_Order order = (
BLAS_Order.ColMajor if A.strides[0] == A.itemsize else BLAS_Order.RowMajor
)
int lda = m if order == BLAS_Order.ColMajor else n

_ger(order, m, n, alpha, &x[0], 1, &y[0], 1, &A[0, 0], lda)

Expand All @@ -194,7 +198,7 @@ cdef void _gemm(BLAS_Order order, BLAS_Trans ta, BLAS_Trans tb, int m, int n,
cdef:
char ta_ = ta
char tb_ = tb
if order == RowMajor:
if order == BLAS_Order.RowMajor:
if floating is float:
sgemm(&tb_, &ta_, &n, &m, &k, &alpha, <float*>B,
&ldb, <float*>A, &lda, &beta, C, &ldc)
Expand All @@ -214,19 +218,21 @@ cpdef _gemm_memview(BLAS_Trans ta, BLAS_Trans tb, floating alpha,
const floating[:, :] A, const floating[:, :] B, floating beta,
floating[:, :] C):
cdef:
int m = A.shape[0] if ta == NoTrans else A.shape[1]
int n = B.shape[1] if tb == NoTrans else B.shape[0]
int k = A.shape[1] if ta == NoTrans else A.shape[0]
int m = A.shape[0] if ta == BLAS_Trans.NoTrans else A.shape[1]
int n = B.shape[1] if tb == BLAS_Trans.NoTrans else B.shape[0]
int k = A.shape[1] if ta == BLAS_Trans.NoTrans else A.shape[0]
int lda, ldb, ldc
BLAS_Order order = ColMajor if A.strides[0] == A.itemsize else RowMajor
BLAS_Order order = (
BLAS_Order.ColMajor if A.strides[0] == A.itemsize else BLAS_Order.RowMajor
)

if order == RowMajor:
lda = k if ta == NoTrans else m
ldb = n if tb == NoTrans else k
if order == BLAS_Order.RowMajor:
lda = k if ta == BLAS_Trans.NoTrans else m
ldb = n if tb == BLAS_Trans.NoTrans else k
ldc = n
else:
lda = m if ta == NoTrans else k
ldb = k if tb == NoTrans else n
lda = m if ta == BLAS_Trans.NoTrans else k
ldb = k if tb == BLAS_Trans.NoTrans else n
ldc = m

_gemm(order, ta, tb, m, n, k, alpha, &A[0, 0],
Expand Down