o o h@sddlmZddlmZddlmZdZeefdejfddZeefdejfd d Z eefdejfd d Z eefdejfd dZ eddZ eefdejfddZ eefdejfddZeddZeefdejfddZeefdejfddZdS))jit)core)math n_roundscCs|jtjkrd}d}d} d} nt|jtjkdd}d}d} d } t|D]?} | } | } ||}}t| ||A|A}t| ||A|A}tj| |d d }tj| |d d }tj ||d d }tj ||d d }q&||||fS) zV Run `n_rounds` rounds of Philox for state (c0, c1, c2, c3) and key (k0, k1). lyn<l.vlS$lW =z"dtype not supported in philox_impll|~fq l;' :=[ llB;: lW$* R F)sanitize_overflow) dtypetluint32 static_assertuint64 static_rangerumulhimuladd)c0c1c2c3k0k1r PHILOX_KEY_A PHILOX_KEY_BPHILOX_ROUND_APHILOX_ROUND_B_AB_c0_c2r!j/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/triton/language/random.py philox_impl s*   r#c Cs t|}t|j|tj}t|}t|}t|}t|}t|jjdkrFtj }|d?d@tj }|d@tj }ntt|jjdkdtj}tj dd|d}|}|j|dd }|j|dd }|j|dd }|j|dd }t |||||||S) N l@z bitwidth not supported in philox)r)r Tbitcast) r to_tensorr r is_inttor constexprprimitive_bitwidthr fullr#) seedrrrrr int_dtypeseed_hiseed_lor!r!r"philox-s(      r3cCst|||\}}}}|S)aq Given a :code:`seed` scalar and an :code:`offset` block, returns a single block of random :code:`int32`. If you need multiple streams of random numbers, using `randint4x` is likely to be faster than calling `randint` 4 times. :param seed: The seed for generating random numbers. :param offset: The offsets to generate random numbers for. ) randint4x)r/offsetrretrr!r!r"randintFs r7cCs|d}t||||||S)aU Given a :code:`seed` scalar and an :code:`offset` block, returns four blocks of random :code:`int32`. This is the maximally efficient entry point to Triton's Philox pseudo-random number generator. :param seed: The seed for generating random numbers. :param offsets: The offsets to generate random numbers for. r&)r3)r/r5r_0r!r!r"r4Vs r4cCst|jtjkst|jtjkr|jtjdd}d}ntt|jtjkp0t|jtjk|jtjdd}d}t |dk| d|}||S)zo Numerically stable function to convert a random uint into a random float uniformly sampled in [0, 1). Tr'g=g;r&r) r r,r r int32r+r r int64where)xscaler!r!r"uint_to_uniform_floatts$*r>cCst|||}t|S)z Given a :code:`seed` scalar and an :code:`offset` block, returns a block of random :code:`float32` in :math:`U(0, 1)`. :param seed: The seed for generating random numbers. :param offsets: The offsets to generate random numbers for. )r7r>)r/r5rsourcer!r!r"rands r@c Cs@t|||\}}}}t|}t|}t|} t|} ||| | fS)a Given a :code:`seed` scalar and an :code:`offsets` block, returns 4 blocks of random :code:`float32` in :math:`U(0, 1)`. :param seed: The seed for generating random numbers. :param offsets: The offsets to generate random numbers for. )r4r>) r/offsetsri1i2i3i4u1u2u3u4r!r!r"rand4xs   rJcCsDtd|}d|}tdt|}|t||t|fS)zBox-Muller transformgHz>g-DT!@g)r maximumrsqrtlogcossin)rFrGthrr!r!r"pair_uniform_to_normals rRc Cs6t|||\}}}}t|}t|}t||\}}|S)a Given a :code:`seed` scalar and an :code:`offset` block, returns a block of random :code:`float32` in :math:`\mathcal{N}(0, 1)`. :param seed: The seed for generating random numbers. :param offsets: The offsets to generate random numbers for. )r4r>rR) r/r5rrBrCrrFrGn1r!r!r"randns  rTc Cs<t|||\}}}}t||\}}t||\} } ||| | fS)a  Given a :code:`seed` scalar and an :code:`offset` block, returns 4 blocks of random :code:`float32` in :math:`\mathcal{N}(0, 1)`. :param seed: The seed for generating random numbers. :param offsets: The offsets to generate random numbers for. )rJrR) r/r5rrFrGrHrIrSn2n3n4r!r!r"randn4xs  rXN) runtime.jitrrr rN_ROUNDS_DEFAULTr,r#r3r7r4r>r@rJrRrTrXr!r!r!r"s0