diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/daq.cu | 27 |
1 files changed, 27 insertions, 0 deletions
@@ -80,4 +80,31 @@ __global__ void convert_sortable_int_to_float(int n, float_output[id] = sortable_int_to_float(sortable_ints[id]); } +__global__ void bin_hits(int nchannels, + unsigned int *channel_q, float *channel_time, + unsigned int *hitcount, + int tbins, float tmin, float tmax, + int qbins, float qmin, float qmax, + unsigned int *pdf) +{ + int id = threadIdx.x + blockDim.x * blockIdx.x; + + if (id >= nchannels) + return; + + unsigned int q = channel_q[id]; + float t = channel_time[id]; + + if (t < 1e8 && t >= tmin && t < tmax && q >= qmin && q < qmax) { + hitcount[id] += 1; + + int tbin = (t - tmin) / (tmax - tmin) * tbins; + int qbin = (q - qmin) / (qmax - qmin) * qbins; + + // row major order (channel, t, q) + int bin = id * (tbins * qbins) + tbin * qbins + qbin; + pdf[bin] += 1; + } +} + } // extern "C" |