[pixel shader]
uniform float4 x;
uniform float4 y;
uniform float4 s;

float4 main() : SV_TARGET
{
    return lerp(x, y, s);
}

[test]
uniform 0 float4 2.0 3.0 4.0 5.0
uniform 4 float4 0.0 -10.0 10.0 100.0
uniform 8 float4 0.0 1.0 -1.0 0.75
draw quad
probe all rgba (2.0, -10.0, -2.0, 76.25)

[require]
shader model >= 4.0

[pixel shader]
uniform int4 x;
uniform int4 y;
uniform int4 s;

float4 main() : SV_TARGET
{
    return lerp(x, y, s);
}

[test]
uniform 0 int4 2 3 4 0
uniform 4 int4 0 -10 10 1000000
uniform 8 int4 0 1 -1 1000000
draw quad
probe all rgba (2.0, -10.0, -2.0, 1e12)