skcuda.misc.maxabs¶
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skcuda.misc.
maxabs
(x_gpu)[source]¶ Get maximum absolute value.
Find maximum absolute value in the specified array.
Parameters: x_gpu (pycuda.gpuarray.GPUArray) – Input array. Returns: m_gpu – Array containing maximum absolute value in x_gpu. Return type: pycuda.gpuarray.GPUArray Examples
>>> import pycuda.autoinit >>> import pycuda.gpuarray as gpuarray >>> import misc >>> x_gpu = gpuarray.to_gpu(np.array([-1, 2, -3], np.float32)) >>> m_gpu = misc.maxabs(x_gpu) >>> np.allclose(m_gpu.get(), 3.0) True