| # coding: utf-8 |
| # pylint: disable=no-member, protected-access, unused-import, no-name-in-module |
| """Random number interface of MXNet.""" |
| from __future__ import absolute_import |
| |
| import ctypes |
| from .base import _LIB, check_call |
| from ._ndarray_internal import _sample_uniform as uniform |
| from ._ndarray_internal import _sample_normal as normal |
| from ._ndarray_internal import _sample_gamma as gamma |
| from ._ndarray_internal import _sample_exponential as exponential |
| from ._ndarray_internal import _sample_poisson as poisson |
| from ._ndarray_internal import _sample_negbinomial as negative_binomial |
| from ._ndarray_internal import _sample_gennegbinomial as generalized_negative_binomial |
| |
| def seed(seed_state): |
| """Seed the random number generators in MXNet. |
| |
| This seed will affect behavior of functions in this module. |
| It also affects the results from executors that contain random numbers |
| such as dropout operators. |
| |
| Parameters |
| ---------- |
| seed_state : int |
| The random number seed to set to all devices. |
| |
| Notes |
| ----- |
| The random number generator of MXNet is, by default, device-specific. |
| This means that if you set the same seed, the random number sequence |
| generated from GPU0 can be different from CPU. |
| """ |
| if not isinstance(seed_state, int): |
| raise ValueError('sd must be int') |
| seed_state = ctypes.c_int(int(seed_state)) |
| check_call(_LIB.MXRandomSeed(seed_state)) |