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defectA clear bug or issue that prevents SciPy from being installed or used as expectedA clear bug or issue that prevents SciPy from being installed or used as expectedscipy.spatial
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Description
Describe your issue.
When trying to calculate the cosine distance between [1+2j, 3+4j]
and [5 + 6j, 7+8j]
scipy raises a ValueError
.
WolframAlpha gives a solution:
Reproducing Code Example
from scipy.spatial.distance import cosine
cosine([1+2j, 3+4j], [5+6j, 7+8j])
Error message
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
Cell In[14], line 1
----> 1 cosine([1+2j, 3+4j], [5+6j, 7+8j])
File /usr/lib/python3.11/site-packages/scipy/spatial/distance.py:695, in cosine(u, v, w)
653 """
654 Compute the Cosine distance between 1-D arrays.
655
(...)
690
691 """
692 # cosine distance is also referred to as 'uncentered correlation',
693 # or 'reflective correlation'
694 # clamp the result to 0-2
--> 695 return max(0, min(correlation(u, v, w=w, centered=False), 2.0))
File /usr/lib/python3.11/site-packages/scipy/spatial/distance.py:647, in correlation(u, v, w, centered)
645 uu = np.dot(u, uw)
646 vv = np.dot(v, vw)
--> 647 dist = 1.0 - uv / math.sqrt(uu * vv)
648 # Return absolute value to avoid small negative value due to rounding
649 return abs(dist)
ValueError: math domain error
SciPy/NumPy/Python version and system information
1.12.0 1.23.5 sys.version_info(major=3, minor=11, micro=8, releaselevel='final', serial=0)
Build Dependencies:
blas:
detection method: pkgconfig
found: true
include directory: /usr/include
lib directory: /usr/lib
name: blas
openblas configuration: unknown
pc file directory: /usr/lib/pkgconfig
version: 3.12.0
lapack:
detection method: pkgconfig
found: true
include directory: /usr/include
lib directory: /usr/lib
name: lapack
openblas configuration: unknown
pc file directory: /usr/lib/pkgconfig
version: 3.12.0
pybind11:
detection method: pkgconfig
include directory: /usr/lib/pkgconfig/../..//include
name: pybind11
version: 2.11.1
Compilers:
c:
args: -march=x86-64, -mtune=generic, -O2, -pipe, -fno-plt, -fexceptions, -Wp,-D_FORTIFY_SOURCE=2,
-Wformat, -Werror=format-security, -fstack-clash-protection, -fcf-protection,
-g, -ffile-prefix-map=/build/python-scipy/src=/usr/src/debug/python-scipy, -flto=auto
commands: cc
linker: ld.bfd
linker args: -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now, -flto=auto, -march=x86-64,
-mtune=generic, -O2, -pipe, -fno-plt, -fexceptions, -Wp,-D_FORTIFY_SOURCE=2,
-Wformat, -Werror=format-security, -fstack-clash-protection, -fcf-protection,
-g, -ffile-prefix-map=/build/python-scipy/src=/usr/src/debug/python-scipy, -flto=auto
name: gcc
version: 13.2.1
c++:
args: -march=x86-64, -mtune=generic, -O2, -pipe, -fno-plt, -fexceptions, -Wp,-D_FORTIFY_SOURCE=2,
-Wformat, -Werror=format-security, -fstack-clash-protection, -fcf-protection,
-Wp,-D_GLIBCXX_ASSERTIONS, -g, -ffile-prefix-map=/build/python-scipy/src=/usr/src/debug/python-scipy,
-flto=auto
commands: c++
linker: ld.bfd
linker args: -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now, -flto=auto, -march=x86-64,
-mtune=generic, -O2, -pipe, -fno-plt, -fexceptions, -Wp,-D_FORTIFY_SOURCE=2,
-Wformat, -Werror=format-security, -fstack-clash-protection, -fcf-protection,
-Wp,-D_GLIBCXX_ASSERTIONS, -g, -ffile-prefix-map=/build/python-scipy/src=/usr/src/debug/python-scipy,
-flto=auto
name: gcc
version: 13.2.1
cython:
commands: cython
linker: cython
name: cython
version: 3.0.8
fortran:
commands: gfortran
linker: ld.bfd
linker args: -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now, -flto=auto
name: gcc
version: 13.2.1
pythran:
include directory: ../../../../../usr/lib/python3.11/site-packages/pythran
version: 0.15.0
Machine Information:
build:
cpu: x86_64
endian: little
family: x86_64
system: linux
cross-compiled: false
host:
cpu: x86_64
endian: little
family: x86_64
system: linux
Python Information:
path: /usr/bin/python
version: '3.11'
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defectA clear bug or issue that prevents SciPy from being installed or used as expectedA clear bug or issue that prevents SciPy from being installed or used as expectedscipy.spatial