def Vec4.from_list

bend-tensors@0.0.0.2 · bend_tensors.bend:126

import Base

126# the first four of xs, padded with 0.0, and the rest
127def Vec4.from_list(xs: List<&2, F32>) -> Vec4:
128  match xs:
129    case x0 <> x1 <> x2 <> x3 <> rest:
130      Vec4{x0, x1, x2, x3}
131    case x0 <> x1 <> x2 <> []:
132      Vec4{x0, x1, x2, 0.0}
133    case x0 <> x1 <> []:
134      Vec4{x0, x1, 0.0, 0.0}
135    case x0 <> []:
136      Vec4{x0, 0.0, 0.0, 0.0}
137    case []:
138      Vec4{0.0, 0.0, 0.0, 0.0}