Elementwise.at_most_zero: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/elementwise.bend as Elementwise
Lines 40-44 of bendtorch-core@0.1.0.0/src/tensor/elementwise.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise.bend&start_line=40&end_line=44

import Base

# IEEE 754 `x <= 0`, on the bits: +0.0 (0x00000000) and the words from -0.0
# (0x80000000) up to -inf (0xFF800000). No NaN is at most zero.
def at_most_zero(x: F32) -> Bool:
  +word = bits(x)
  Bool.or(U32.is_eq(word, 0), Bool.and(U32.is_le(2147483648, word), U32.is_le(word, 4286578688)))

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_le
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise.bend&name=bits