Access vector type OpenCL

Question

I have a variable whithin a kernel like:

int16 element;

I would like to know if there is a way to adress the third int in element like

Answer 1

No that's not possible. At least not dynamically at runtime. But you can use an "compile-time"-index to access a component:

float4 v;
v.s0 == v.x; // is true
v.s01 == v.xy // also true

See http://www.khronos.org/registry/cl/specs/opencl-1.1.pdf Section 6.1.7