transpose static method
Implementation
static List<double> transpose(List<double> m) {
return [
m[0],
m[4],
m[8],
m[12],
m[1],
m[5],
m[9],
m[13],
m[2],
m[6],
m[10],
m[14],
m[3],
m[7],
m[11],
m[15]
];
}