Svg.filter.density: def of gralha-svg-render@0.1.0.1
Import: import gralha-svg-render@0.1.0.1/svg.bend as Svg
Lines 5039-5045 of gralha-svg-render@0.1.0.1/svg.bend: https://jend.leeeet.dev/read.txt?path=gralha-svg-render@0.1.0.1/svg.bend&start_line=5039&end_line=5045

import Base

def filter.density(+m: Matrix) -> F32:
  Matrix{a, b, c, d, e, f} = m
  +x = (a * a + b * b : F32)
  +y = (c * c + d * d : F32)
  +dot = (a * c + b * d : F32)
  # Largest singular value keeps transformed pattern buffers at device density.
  F32.sqrt(((x + y + F32.sqrt(((x - y) * (x - y) + 4.0 * dot * dot : F32))) * 0.5 : 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.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.sqrt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.sub
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=Matrix