Bendtorch.gelu_erf_d: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 1219-1221 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=1219&end_line=1221

import Base

def gelu_erf_d(+dy: F32, +x: F32) -> F32:
  +pdf = (0.3989422804014327 * F32.exp(((x * x : F32) * F32.neg(0.5) : F32)) : F32)
  (dy * (gelu_erf_cdf(x) + (x * pdf : F32) : F32) : F32)

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.exp
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.neg
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=gelu_erf_cdf