[pixel shader]
uniform float4 u;

float4 main() : sv_target
{
    return float4(pow(u.y, 3), pow(u.xy, u.zw), pow(0.5, u.w));
}

[test]
uniform 0 float4 0.4 0.8 2.5 2.0
todo(glsl) draw quad
probe (0, 0) rgba (0.512, 0.101192884, 0.64, 0.25) 4


[pixel shader]
float4 main() : sv_target
{
    float2x3 a = {1, 2, 3, 4, 5, 6};
    float3x2 b = {6, 5, 4, 3, 2, 1};

    float2x2 r = pow(a, b);
    return float4(r);
}

[test]
todo(glsl) draw quad
probe (0, 0) rgba (1.0, 32.0, 256.0, 125.0) 2


[pixel shader fail]
float4 main() : sv_target
{
    float2x2 a = {1, 2, 3, 4};
    float4 b = {1, 2, 3, 4};

    pow(a, b);
    return 0;
}