diff options
Diffstat (limited to 'numpy/random/_common.pyx')
| -rw-r--r-- | numpy/random/_common.pyx | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/numpy/random/_common.pyx b/numpy/random/_common.pyx index 86828e200..864150458 100644 --- a/numpy/random/_common.pyx +++ b/numpy/random/_common.pyx @@ -359,6 +359,24 @@ cdef object float_fill_from_double(void *func, bitgen_t *state, object size, obj out_array_data[i] = <float>random_func(state) return out_array +cdef int _check_array_cons_bounded_0_1(np.ndarray val, object name) except -1: + cdef double *val_data + cdef np.npy_intp i + cdef bint err = 0 + + if not np.PyArray_ISONESEGMENT(val) or np.PyArray_TYPE(val) != np.NPY_DOUBLE: + # slow path for non-contiguous arrays or any non-double dtypes + err = not np.all(np.greater_equal(val, 0)) or not np.all(np.less_equal(val, 1)) + else: + val_data = <double *>np.PyArray_DATA(val) + for i in range(np.PyArray_SIZE(val)): + err = (not (val_data[i] >= 0)) or (not val_data[i] <= 1) + if err: + break + if err: + raise ValueError(f"{name} < 0, {name} > 1 or {name} contains NaNs") + + return 0 cdef int check_array_constraint(np.ndarray val, object name, constraint_type cons) except -1: if cons == CONS_NON_NEGATIVE: @@ -370,9 +388,7 @@ cdef int check_array_constraint(np.ndarray val, object name, constraint_type con elif np.any(np.less_equal(val, 0)): raise ValueError(name + " <= 0") elif cons == CONS_BOUNDED_0_1: - if not np.all(np.greater_equal(val, 0)) or \ - not np.all(np.less_equal(val, 1)): - raise ValueError("{0} < 0, {0} > 1 or {0} contains NaNs".format(name)) + return _check_array_cons_bounded_0_1(val, name) elif cons == CONS_BOUNDED_GT_0_1: if not np.all(np.greater(val, 0)) or not np.all(np.less_equal(val, 1)): raise ValueError("{0} <= 0, {0} > 1 or {0} contains NaNs".format(name)) |