def Blk.sub_col

bend-tensors@0.0.0.2 · bend_tensors.bend:266

import Base

266# row i subtracted by v_i (the column vector v broadcast along rows)
267def Blk.sub_col(m: Blk, v: Vec4) -> Blk:
268  Blk{a00, a01, a02, a03, a10, a11, a12, a13, a20, a21, a22, a23, a30, a31, a32, a33} = m
269  Vec4{+y0, +y1, +y2, +y3} = v
270  Blk{(a00 - y0 : F32), (a01 - y0 : F32), (a02 - y0 : F32), (a03 - y0 : F32),
271      (a10 - y1 : F32), (a11 - y1 : F32), (a12 - y1 : F32), (a13 - y1 : F32),
272      (a20 - y2 : F32), (a21 - y2 : F32), (a22 - y2 : F32), (a23 - y2 : F32),
273      (a30 - y3 : F32), (a31 - y3 : F32), (a32 - y3 : F32), (a33 - y3 : F32)}