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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{9..11} pypy3 )
PYTHON_REQ_USE="threads(+)"
FORTRAN_NEEDED=lapack
inherit distutils-r1 flag-o-matic fortran-2 pypi toolchain-funcs
DOC_PV=${PV}
DESCRIPTION="Fast array and numerical python library"
HOMEPAGE="
https://numpy.org/
https://github.com/numpy/numpy/
https://pypi.org/project/numpy/
"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris"
IUSE="lapack"
RDEPEND="
lapack? (
>=virtual/cblas-3.8
>=virtual/lapack-3.8
)
"
BDEPEND="
${RDEPEND}
>=dev-python/cython-0.29.30[${PYTHON_USEDEP}]
lapack? (
virtual/pkgconfig
)
test? (
$(python_gen_cond_dep '
>=dev-python/cffi-1.14.0[${PYTHON_USEDEP}]
' 'python*')
dev-python/charset_normalizer[${PYTHON_USEDEP}]
>=dev-python/hypothesis-5.8.0[${PYTHON_USEDEP}]
>=dev-python/pytz-2019.3[${PYTHON_USEDEP}]
)
"
PATCHES=(
"${FILESDIR}"/numpy-1.22.0-no-hardcode-blasv2.patch
)
distutils_enable_tests pytest
python_prepare_all() {
# Allow use with setuptools 60.x
# See numpy-1.22.1-revert-setuptools-upper-bound.patch for details
export SETUPTOOLS_USE_DISTUTILS=stdlib
if use lapack; then
local incdir="${EPREFIX}"/usr/include
local libdir="${EPREFIX}"/usr/$(get_libdir)
cat >> site.cfg <<-EOF || die
[blas]
include_dirs = ${incdir}
library_dirs = ${libdir}
blas_libs = cblas,blas
[lapack]
library_dirs = ${libdir}
lapack_libs = lapack
EOF
else
export {ATLAS,PTATLAS,BLAS,LAPACK,MKL}=None
fi
export CC="$(tc-getCC) ${CFLAGS}"
append-flags -fno-strict-aliasing
# See progress in http://projects.scipy.org/scipy/numpy/ticket/573
# with the subtle difference that we don't want to break Darwin where
# -shared is not a valid linker argument
if [[ ${CHOST} != *-darwin* ]]; then
append-ldflags -shared
fi
# only one fortran to link with:
# linking with cblas and lapack library will force
# autodetecting and linking to all available fortran compilers
append-fflags -fPIC
if use lapack; then
NUMPY_FCONFIG="config_fc --noopt --noarch"
# workaround bug 335908
[[ $(tc-getFC) == *gfortran* ]] && NUMPY_FCONFIG+=" --fcompiler=gnu95"
fi
# don't version f2py, we will handle it.
sed -i -e '/f2py_exe/s: + os\.path.*$::' numpy/f2py/setup.py || die
distutils-r1_python_prepare_all
}
python_compile() {
export MAKEOPTS=-j1 #660754
distutils-r1_python_compile ${NUMPY_FCONFIG}
}
python_test() {
local EPYTEST_DESELECT=(
# very disk- and memory-hungry
numpy/lib/tests/test_histograms.py::TestHistogram::test_big_arrays
numpy/lib/tests/test_io.py::test_large_zip
# precision problems
numpy/core/tests/test_umath_accuracy.py::TestAccuracy::test_validate_transcendentals
# runs the whole test suite recursively, that's just crazy
numpy/core/tests/test_mem_policy.py::test_new_policy
# very slow, unlikely to be practically useful
numpy/typing/tests/test_typing.py
)
if use arm && [[ $(uname -m || echo "unknown") == "armv8l" ]] ; then
# Degenerate case. arm32 chroot on arm64.
# bug #774108
EPYTEST_DESELECT+=(
numpy/core/tests/test_cpu_features.py::Test_ARM_Features::test_features
)
fi
if use x86 ; then
EPYTEST_DESELECT+=(
# https://github.com/numpy/numpy/issues/18388
numpy/core/tests/test_umath.py::TestRemainder::test_float_remainder_overflow
# https://github.com/numpy/numpy/issues/18387
numpy/random/tests/test_generator_mt19937.py::TestRandomDist::test_pareto
# more precision problems
numpy/core/tests/test_einsum.py::TestEinsum::test_einsum_sums_int16
)
fi
if use arm || use x86 ; then
EPYTEST_DESELECT+=(
# too large for 32-bit platforms
numpy/core/tests/test_ufunc.py::TestUfunc::test_identityless_reduction_huge_array
)
fi
distutils_install_for_testing --single-version-externally-managed \
--record "${TMPDIR}/record.txt" ${NUMPY_FCONFIG}
cd "${TEST_DIR}/lib" || die
epytest -k "not _fuzz"
}
python_install() {
# https://github.com/numpy/numpy/issues/16005
local mydistutilsargs=( build_src )
distutils-r1_python_install ${NUMPY_FCONFIG}
python_optimize
}
python_install_all() {
local DOCS=( LICENSE.txt README.md THANKS.txt )
distutils-r1_python_install_all
}
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