Linear-CIE XYZ Conversion

linearciexyz.c

vector lRgbToXyz(color linear) {
    return transform(matrix(
        0.41241086, 0.21264935, 0.019331759, 0.0,
        0.35758457, 0.71516913, 0.11919486 , 0.0,
        0.1804538 , 0.07218152, 0.95039004 , 0.0,
        0.0       , 0.0       , 0.0        , 1.0),
        linear);
}

color xyzTolRgb(vector xyz) {
    return transform(matrix(
         3.2408123 , -0.969243   ,  0.0556384 , 0.0,
        -1.5373085 ,  1.8759663  , -0.20400746, 0.0,
        -0.49858654,  0.041555032,  1.0571296 , 0.0,
         0.0       ,  0.0        ,  0.0       , 1.0),
        xyz);
}