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Update the docs to use the new array ctor

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Ivan Smirnov 2016-08-13 13:28:56 +01:00
parent 245f77b4d5
commit b65185906d
1 changed files with 3 additions and 9 deletions
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12
docs/advanced.rst
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@ -1457,17 +1457,11 @@ simply using ``vectorize``).
if (buf1.ndim != 1 || buf2.ndim != 1)
throw std::runtime_error("Number of dimensions must be one");
if (buf1.shape[0] != buf2.shape[0])
if (buf1.size != buf2.size)
throw std::runtime_error("Input shapes must match");
auto result = py::array(py::buffer_info(
nullptr, /* Pointer to data (nullptr -> ask NumPy to allocate!) */
sizeof(double), /* Size of one item */
py::format_descriptor<double>::format(), /* Buffer format */
buf1.ndim, /* How many dimensions? */
{ buf1.shape[0] }, /* Number of elements for each dimension */
{ sizeof(double) } /* Strides for each dimension */
));
/* No pointer is passed, so NumPy will allocate the buffer */
auto result = py::array_t<double>(buf1.size);
auto buf3 = result.request();