<p dir="auto">My issue is about ...</p>
<h4 dir="auto">Reproducing code example:</h4>
<p dir="auto">Building scipy 1.4.1 with PyPy3.6 7.3.0 on linux-x86_64 with gcc 7.3.0, numpy 1.18.1 pybind11 2.4.3 and cython 0.29.15 fails.</p>
<h4 dir="auto">Error message:</h4>

<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="  creating build/temp.linux-x86_64-3.6/scipy/_lib/_uarray
  compile options: '-I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/site-packages/numpy/core/include -I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -c'
  extra options: '-std=c++14 -fvisibility=hidden'
  x86_64-conda_cos6-linux-gnu-c++: scipy/_lib/_uarray/_uarray_dispatch.cxx
  In file included from /home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include/Python.h:79:0,
                   from scipy/_lib/_uarray/_uarray_dispatch.cxx:2:
  scipy/_lib/_uarray/_uarray_dispatch.cxx: In member function '{anonymous}::py_func_args {anonymous}::Function::replace_dispatchables(PyObject*, PyObject*, PyObject*, PyObject*)':
  scipy/_lib/_uarray/_uarray_dispatch.cxx:722:8: error: base operand of '-&gt;' has non-pointer type '{anonymous}::py_ref'
     if (!PyTuple_Check(res) || PyTuple_Size(res) != 2)
          ^
  scipy/_lib/_uarray/_uarray_dispatch.cxx:734:8: error: base operand of '-&gt;' has non-pointer type '{anonymous}::py_ref'
     if (!PyTuple_Check(new_args) || !PyDict_Check(new_kwargs))
          ^
  scipy/_lib/_uarray/_uarray_dispatch.cxx:734:36: error: base operand of '-&gt;' has non-pointer type '{anonymous}::py_ref'
     if (!PyTuple_Check(new_args) || !PyDict_Check(new_kwargs))
                                      ^
  error: Command &quot;/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_build_env/bin/x86_64-conda_cos6-linux-gnu-c++ -DNDEBUG -O2 -march=nocona -mtune=haswell -ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe -isystem /home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -fdebug-prefix-map=/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/work=/usr/local/src/conda/scipy-1.4.1 -fdebug-prefix-map=/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place=/usr/local/src/conda-prefix -DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem /home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -fPIC -I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/site-packages/numpy/core/include -I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -c scipy/_lib/_uarray/_uarray_dispatch.cxx -o build/temp.linux-x86_64-3.6/scipy/_lib/_uarray/_uarray_dispatch.o -MMD -MF build/temp.linux-x86_64-3.6/scipy/_lib/_uarray/_uarray_dispatch.o.d -std=c++14 -fvisibility=hidden&quot; failed with exit status 1"><pre class="notranslate"><code class="notranslate">  creating build/temp.linux-x86_64-3.6/scipy/_lib/_uarray
  compile options: '-I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/site-packages/numpy/core/include -I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -c'
  extra options: '-std=c++14 -fvisibility=hidden'
  x86_64-conda_cos6-linux-gnu-c++: scipy/_lib/_uarray/_uarray_dispatch.cxx
  In file included from /home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include/Python.h:79:0,
                   from scipy/_lib/_uarray/_uarray_dispatch.cxx:2:
  scipy/_lib/_uarray/_uarray_dispatch.cxx: In member function '{anonymous}::py_func_args {anonymous}::Function::replace_dispatchables(PyObject*, PyObject*, PyObject*, PyObject*)':
  scipy/_lib/_uarray/_uarray_dispatch.cxx:722:8: error: base operand of '-&gt;' has non-pointer type '{anonymous}::py_ref'
     if (!PyTuple_Check(res) || PyTuple_Size(res) != 2)
          ^
  scipy/_lib/_uarray/_uarray_dispatch.cxx:734:8: error: base operand of '-&gt;' has non-pointer type '{anonymous}::py_ref'
     if (!PyTuple_Check(new_args) || !PyDict_Check(new_kwargs))
          ^
  scipy/_lib/_uarray/_uarray_dispatch.cxx:734:36: error: base operand of '-&gt;' has non-pointer type '{anonymous}::py_ref'
     if (!PyTuple_Check(new_args) || !PyDict_Check(new_kwargs))
                                      ^
  error: Command "/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_build_env/bin/x86_64-conda_cos6-linux-gnu-c++ -DNDEBUG -O2 -march=nocona -mtune=haswell -ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe -isystem /home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -fdebug-prefix-map=/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/work=/usr/local/src/conda/scipy-1.4.1 -fdebug-prefix-map=/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place=/usr/local/src/conda-prefix -DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem /home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -fPIC -I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/site-packages/numpy/core/include -I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -c scipy/_lib/_uarray/_uarray_dispatch.cxx -o build/temp.linux-x86_64-3.6/scipy/_lib/_uarray/_uarray_dispatch.o -MMD -MF build/temp.linux-x86_64-3.6/scipy/_lib/_uarray/_uarray_dispatch.o.d -std=c++14 -fvisibility=hidden" failed with exit status 1
</code></pre></div>
<h4 dir="auto">Scipy/Numpy/Python version information:</h4>
<p dir="auto">Building scipy 1.4.1 with PyPy3.6 7.3.0 on linux-x86_64 with gcc 7.3.0, numpy 1.18.1 pybind11 2.4.3 and cython 0.29.15 fails.</p>
<h3 dir="auto">Issue with current documentation:</h3>
<p dir="auto">Broken formula: <a href="https://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.distance.sqeuclidean.html#scipy.spatial.distance.sqeuclidean" rel="nofollow">https://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.distance.sqeuclidean.html#scipy.spatial.distance.sqeuclidean</a><br>
Missing firmula: <a href="https://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.distance.seuclidean.html#scipy.spatial.distance.seuclidean" rel="nofollow">https://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.distance.seuclidean.html#scipy.spatial.distance.seuclidean</a></p>
<h3 dir="auto">Idea or request for content:</h3>
<p dir="auto">The next page "pdist" offers these same formulas: <a href="https://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.distance.pdist.html" rel="nofollow">https://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.distance.pdist.html</a></p>
<h3 dir="auto">Additional context (e.g. screenshots, GIFs)</h3>
<p dir="auto"><em>No response</em></p>