Mercurial > hg > Game > Cerium
view example/fft/cuda/norm.cu @ 2018:433043c56a0c draft
fix fft
author | Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp> |
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date | Tue, 15 Jul 2014 01:41:57 +0900 |
parents | 4cf85b48ab9e |
children |
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extern "C" { __global__ void norm(long* param, float* x) { unsigned long gid = blockIdx.x*blockDim.x+threadIdx.x; // (unsigned long)s->get_param(0); unsigned long nid = blockIdx.y*blockDim.y+threadIdx.y; //(unsigned long)s->get_param(1); long n = param[0]; x[(nid*n+gid)*2] = x[(nid*n+gid)*2] / (float)n; x[(nid*n+gid)*2+1] = x[(nid*n+gid)*2+1] / (float)n; } }