On Fri, 17 Sep 2010 14:54:11 -0400, Yiyin Zhou <heeroz...@gmail.com> wrote: > Hi, > I was trying to pass some complex valued numbers to a kernel, but somehow it > messed up. Here is an example with GPUArray that can be reproduced on several > of our linux servers: > > initialize... > > import pycuda.gpuarray as gpuarray > import numpy as np > d_A = gpuarray.empty((1,128), np.complex64) > d_A.fill(1+2j) > d_A > The result is correct > > d_A.fill(np.complex64(1+2j)) > d_A > the imaginary part of the resulting array are all zeros > > It's not necessarily a problem with complex64, in some kernels complex64 is > correct, but complex128 is not. > What could be the cause for that?
Not my fault: http://projects.scipy.org/numpy/ticket/1617 (just reported) Andreas
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