Vpf~ ddlmZddlmZddlmZddlm Z ddl m Z m Z ddl mZmZdedefd Zded edefd Zded edefd Zded edefd ZdS))laxN)_const)promote_dtypes_inexact)gammalnxlogy)Array ArrayLikexreturnctj|d}tj|dkdt|dz dkzS)Nraxisgư>)jnpsumallabs)r x_sums ^/var/www/html/nettyfy-visnx/env/lib/python3.11/site-packages/jax/_src/scipy/stats/dirichlet.py _is_simplexrsC '!!   % QQ   3uqy>>D#8 99alphac0tt||S)aVDirichlet log probability distribution function. JAX implementation of :obj:`scipy.stats.dirichlet` ``logpdf``. The Dirichlet probability density function is .. math:: f(\mathbf{x}) = \frac{1}{B(\mathbf{\alpha})} \prod_{i=1}^K x_i^{\alpha_i - 1} where :math:`B(\mathbf{\alpha})` is the :func:`~jax.scipy.special.beta` function in a :math:`K`-dimensional vector space. Args: x: arraylike, value at which to evaluate the PDF alpha: arraylike, distribution shape parameter Returns: array of logpdf values. See Also: :func:`jax.scipy.stats.dirichlet.pdf` )_logpdfrr rs rlogpdfrs0 (E22 33rc |jdkrtd|j|jd|jd|jddz fvrtd|jd|jt|d}|jd|jdkr@t j|t j||ddgd}t jt|tt j|z }|jdkr)t j ||jd |jdz zzd }t jt jtt j|||d|}t j t||tj S) Nrz1`alpha` must be one-dimensional; got alpha.shape=rz[`x` must have either the same number of entries as `alpha` or one entry fewer; got x.shape=z, alpha.shape=T)keepdimsr )r)r)ndim ValueErrorshape _lax_constr concatenatersubrrbroadcast_in_dimrwhererinf)r ronenormalize_term log_probss rrr6s Z1__ G%+GG  WQZ A A(:;;; N)*NN@E NN   1a#WQZ5;q>!! CGCq4)@)@AABKKKA775>>**WSWU^^-D-DD.VaZZ   dafqj6I(I4 P PEgcgeCGE3$7$7;;!DDDnUU) ;q>>9swh 7 77rcFtjt||S)aODirichlet probability distribution function. JAX implementation of :obj:`scipy.stats.dirichlet` ``pdf``. The Dirichlet probability density function is .. math:: f(\mathbf{x}) = \frac{1}{B(\mathbf{\alpha})} \prod_{i=1}^K x_i^{\alpha_i - 1} where :math:`B(\mathbf{\alpha})` is the :func:`~jax.scipy.special.beta` function in a :math:`K`-dimensional vector space. Args: x: arraylike, value at which to evaluate the PDF alpha: arraylike, distribution shape parameter Returns: array of pdf values. See Also: :func:`jax.scipy.stats.dirichlet.logpdf` )rexprrs rpdfr-Js0 5!! " ""r)jaxr jax.numpynumpyrjax._src.lax.laxrr"jax._src.numpy.utilrjax.scipy.specialrrjax._src.typingrr rrrr-rrr6s&111111666666,,,,,,,,,,,,,,,,:5:U:::: 4i4 4e444448u8U8u8888(#9#Y#5######r