reduce-add-uint64.ispc

export uniform int width() { return programCount; }



export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
    float v = aFOO[programIndex & 0x3];
    uniform float m;
    unsigned int64 iv = (unsigned int)v;
    m = reduce_add(iv);
    RET[programIndex] = m;
}

export void result(uniform float RET[]) { 
    RET[programIndex] = (programCount == 1) ? 1 : (10 * programCount/4);
}