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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/boost/libs/python/example/numpy/simple.cpp | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/python/example/numpy/simple.cpp')
-rw-r--r-- | src/boost/libs/python/example/numpy/simple.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/boost/libs/python/example/numpy/simple.cpp b/src/boost/libs/python/example/numpy/simple.cpp new file mode 100644 index 000000000..ad598bde4 --- /dev/null +++ b/src/boost/libs/python/example/numpy/simple.cpp @@ -0,0 +1,32 @@ +// Copyright 2011 Stefan Seefeld. +// Distributed under the Boost Software License, Version 1.0. (See +// accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +#include <boost/python/numpy.hpp> +#include <iostream> + +namespace p = boost::python; +namespace np = boost::python::numpy; + +int main(int argc, char **argv) +{ + // Initialize the Python runtime. + Py_Initialize(); + // Initialize NumPy + np::initialize(); + // Create a 3x3 shape... + p::tuple shape = p::make_tuple(3, 3); + // ...as well as a type for C++ float + np::dtype dtype = np::dtype::get_builtin<float>(); + // Construct an array with the above shape and type + np::ndarray a = np::zeros(shape, dtype); + // Construct an empty array with the above shape and dtype as well + np::ndarray b = np::empty(shape,dtype); + // Print the array + std::cout << "Original array:\n" << p::extract<char const *>(p::str(a)) << std::endl; + // Reshape the array into a 1D array + a = a.reshape(p::make_tuple(9)); + // Print it again. + std::cout << "Reshaped array:\n" << p::extract<char const *>(p::str(a)) << std::endl; +} |