update ch3

[book_gpu.git] / BookGPU / Chapters / chapter13 / ex3.cu

texture<int2,1> v;

static __inline__
__device__ double fetch_double(texture<int2,1> v, int i)
{
        int2 w = tex1Dfetch(v, i);
        return __hiloint2double(w.y, w.x);
}