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+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=meson-python
+PYPI_VERIFY_REPO=https://github.com/numpy/numpy-release
+PYTHON_COMPAT=( python3_{11..14} pypy3_11 )
+PYTHON_REQ_USE="threads(+)"
+FORTRAN_NEEDED=lapack
+
+inherit distutils-r1 flag-o-matic fortran-2 pypi
+
+DESCRIPTION="Fast array and numerical python library"
+HOMEPAGE="
+ https://numpy.org/
+ https://github.com/numpy/numpy/
+ https://pypi.org/project/numpy/
+"
+
+LICENSE="BSD"
+SLOT="0/2"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+# +lapack because the internal fallbacks are pretty slow. Building without blas
+# is barely supported anyway, see bug #914358.
+IUSE="big-endian +cpudetection index64 +lapack"
+
+# upstream-flag[:gentoo-flag]
+ARM_FLAGS=( neon{,-fp16} vfpv4 asimd{,hp,dp,fhm} sve )
+PPC_FLAGS=( vsx vsx2 vsx3 vsx4 )
+X86_FLAGS=(
+ sse{,2,3,4_1,4_2} ssse3 popcnt avx{,2} xop fma{3,4}
+ f16c avx512{f,cd,pf,er,dq,bw,vl,ifma,vbmi}
+ avx512_{vpopcntdq,4vnniw,4fmaps,vbmi2,bitalg,fp16,vnni}
+)
+IUSE+="
+ ${ARM_FLAGS[*]/#/cpu_flags_arm_}
+ ${PPC_FLAGS[*]/#/cpu_flags_ppc_}
+ ${X86_FLAGS[*]/#/cpu_flags_x86_}
+"
+
+RDEPEND="
+ lapack? (
+ >=virtual/cblas-3.8[index64(-)?]
+ >=virtual/lapack-3.8[index64(-)?]
+ )
+"
+BDEPEND="
+ ${RDEPEND}
+ >=dev-build/meson-1.5.2
+ >=dev-python/cython-3.0.6[${PYTHON_USEDEP}]
+ lapack? (
+ virtual/pkgconfig
+ )
+ test? (
+ $(python_gen_cond_dep '
+ >=dev-python/cffi-1.14.0[${PYTHON_USEDEP}]
+ ' 'python*')
+ dev-python/charset-normalizer[${PYTHON_USEDEP}]
+ >=dev-python/pytz-2019.3[${PYTHON_USEDEP}]
+ )
+"
+
+QA_CONFIG_IMPL_DECL_SKIP=(
+ # https://bugs.gentoo.org/925367
+ vrndq_f32
+)
+
+EPYTEST_PLUGINS=( hypothesis pytest-timeout )
+EPYTEST_XDIST=1
+distutils_enable_tests pytest
+
+PATCHES=(
+ # https://github.com/numpy/numpy/pull/29459
+ "${FILESDIR}"/${PN}-2.3.2-no-detect.patch
+ # https://github.com/numpy/numpy/pull/29579
+ "${FILESDIR}"/${PN}-2.3.2-arm-asimddp.patch
+)
+
+has_all_x86() {
+ local flag
+ for flag; do
+ if ! use "cpu_flags_x86_${flag}"; then
+ return 1
+ fi
+ done
+ return 0
+}
+
+python_configure_all() {
+ local cpu_baseline=()
+ local map flag
+ case ${ARCH} in
+ arm)
+ # every flag implies the previous one
+ for map in NEON:neon NEON_FP16:neon-fp16 NEON_VFPV4:vfpv4; do
+ if ! use "cpu_flags_arm_${map#*:}"; then
+ break
+ fi
+ cpu_baseline+=( "${map%:*}" )
+ done
+ ;&
+ arm64)
+ # on 32-bit ARM, ASIMD implies all NEON* flags
+ # on 64-bit ARM, they are all linked together
+ if use arm64 ||
+ [[ ${cpu_baseline[@]} && ${cpu_baseline[-1]} == NEON_VFPV4 ]]
+ then
+ cpu_baseline+=( $(usev cpu_flags_arm_asimd ASIMD) )
+ fi
+
+ # these two imply ASIMD
+ if [[ ${cpu_baseline[@]} && ${cpu_baseline[-1]} == ASIMD ]]; then
+ for flag in dp hp; do
+ cpu_baseline+=(
+ $(usev "cpu_flags_arm_asimd${flag}" "ASIMD${flag^^}")
+ )
+ done
+ fi
+
+ # these two imply ASIMDHP
+ if [[ ${cpu_baseline[@]} && ${cpu_baseline[-1]} == ASIMDHP ]]; then
+ for flag in asimdfhm sve; do
+ cpu_baseline+=(
+ $(usev "cpu_flags_arm_${flag}" "${flag^^}")
+ )
+ done
+ fi
+ ;;
+ ppc64)
+ # every flag implies the previous one
+ for flag in '' 2 3 4; do
+ if ! use "cpu_flags_ppc_vsx${flags}"; then
+ break
+ fi
+ cpu_baseline+=( "VSX${flag}" )
+ done
+ ;;
+ amd64|x86)
+ # every flag implies the previous one
+ for flag in sse{,2,3} ssse3 sse4_1 popcnt sse4_2 avx; do
+ if ! use "cpu_flags_x86_${flag}"; then
+ break
+ fi
+ flag=${flag/_}
+ cpu_baseline+=( "${flag^^}" )
+ done
+
+ # these imply AVX
+ if [[ ${cpu_baseline[@]} && ${cpu_baseline[-1]} == AVX ]]; then
+ for flag in xop fma4 f16c; do
+ if use "cpu_flags_x86_${flag}"; then
+ cpu_baseline+=( "${flag^^}" )
+ fi
+ done
+ fi
+
+ # another chain started on implying F16C
+ if [[ ${cpu_baseline[@]} && ${cpu_baseline[-1]} == F16C ]]; then
+ for flag in fma3 avx2 avx512f avx512cd; do
+ if ! use "cpu_flags_x86_${flag}"; then
+ break
+ fi
+ cpu_baseline+=( "${flag^^}" )
+ done
+ fi
+
+ if [[ ${cpu_baseline[@]} && ${cpu_baseline[-1]} == AVX512CD ]]; then
+ # upstream combines multiple instructions into per-CPU sets
+ local -A avx512_mapping=(
+ [AVX512_KNL]="avx512pf avx512er"
+ [AVX512_KNM]="avx512_vpopcntdq avx512_4vnniw avx512_4fmaps"
+ [AVX512_SKX]="avx512dq avx512bw avx512vl"
+ [AVX512_CLX]="avx512_vnni"
+ [AVX512_CNL]="avx512ifma avx512vbmi"
+ [AVX512_ICL]="avx512_vbmi2 avx512_bitalg"
+ [AVX512_SPR]="avx512_fp16"
+ )
+
+ # 1. AVX512CD -> AVX512_KNL -> AVX512_KNM
+ if has_all_x86 ${avx512_mapping[AVX512_KNL]}; then
+ cpu_baseline+=( AVX512_KNL )
+ if has_all_x86 ${avx512_mapping[AVX512_KNM]}; then
+ cpu_baseline+=( AVX512_KNM )
+ fi
+ fi
+ # 2. AVX512CD -> AVX512_SKX -> [AVX512_CLX, AVX512_CNL]
+ if has_all_x86 ${avx512_mapping[AVX512_SKX]}; then
+ cpu_baseline+=( AVX512_SKX )
+ if has_all_x86 ${avx512_mapping[AVX512_CLX]}; then
+ cpu_baseline+=( AVX512_CLX )
+ fi
+ if has_all_x86 ${avx512_mapping[AVX512_CNL]}; then
+ cpu_baseline+=( AVX512_CNL )
+ fi
+ fi
+ # 3. [AVX512_CLX, AVX512_CNL] -> AVX512_ICL -> AVX512_SPR
+ if [[ ${cpu_baseline[-1]} == AVX512_CNL &&
+ ${cpu_baseline[-2]} == AVX512_CLX ]]
+ then
+ if has_all_x86 ${avx512_mapping[AVX512_ICL]}; then
+ cpu_baseline+=( AVX512_ICL )
+ if has_all_x86 ${avx512_mapping[AVX512_SPR]}; then
+ cpu_baseline+=( AVX512_SPR )
+ fi
+ fi
+ fi
+ fi
+ ;;
+ *)
+ cpu_baseline=MIN
+ ;;
+ esac
+
+ DISTUTILS_ARGS=(
+ -Dallow-noblas=$(usex !lapack true false)
+ -Duse-ilp64=$(usex index64 true false)
+ -Dblas=$(usev lapack $(usex index64 cblas64 cblas))
+ -Dlapack=$(usev lapack $(usex index64 lapack64 lapack))
+ -Dcpu-baseline="${cpu_baseline[*]}"
+ -Dcpu-baseline-detect=disabled
+ # '-XOP -FMA4' is upstream default, since these are deprecated
+ -Dcpu-dispatch="$(usev cpudetection 'MAX -XOP -FMA4')"
+ )
+
+ # bug #922457
+ filter-lto
+ # https://github.com/numpy/numpy/issues/25004
+ append-flags -fno-strict-aliasing
+}
+
+python_test() {
+ # We run tests in parallel, so avoid having n^2 threads in lapack
+ # tests.
+ local -x BLIS_NUM_THREADS=1
+ local -x MKL_NUM_THREADS=1
+ local -x OMP_NUM_THREADS=1
+ local -x OPENBLAS_NUM_THREADS=1
+
+ # don't run tests that require more than 2 GiB of RAM (per process)
+ local -x NPY_AVAILABLE_MEM="2 GiB"
+
+ local EPYTEST_DESELECT=(
+ # Very disk-and-memory-hungry
+ numpy/lib/tests/test_io.py::TestSavezLoad::test_closing_fid
+ numpy/lib/tests/test_io.py::TestSavezLoad::test_closing_zipfile_after_load
+
+ # Precision problems
+ numpy/_core/tests/test_umath_accuracy.py::TestAccuracy::test_validate_transcendentals
+
+ numpy/typing/tests/test_typing.py
+
+ # Flaky, reruns don't help
+ numpy/f2py/tests/test_crackfortran.py
+ numpy/f2py/tests/test_f2py2e.py::test_gh22819_cli
+ numpy/f2py/tests/test_data.py::TestData{,F77}::test_crackedlines
+ )
+
+ if [[ $(uname -m) == armv8l ]]; then
+ # Degenerate case of arm32 chroot on arm64, bug #774108
+ EPYTEST_DESELECT+=(
+ numpy/_core/tests/test_cpu_features.py::Test_ARM_Features::test_features
+ )
+ fi
+
+ case ${ARCH} in
+ arm)
+ EPYTEST_DESELECT+=(
+ # TODO: warnings
+ numpy/_core/tests/test_umath.py::TestSpecialFloats::test_unary_spurious_fpexception
+
+ # TODO
+ numpy/_core/tests/test_function_base.py::TestLinspace::test_denormal_numbers
+ numpy/f2py/tests/test_kind.py::TestKind::test_real
+ numpy/f2py/tests/test_kind.py::TestKind::test_quad_precision
+
+ # require too much memory
+ 'numpy/_core/tests/test_multiarray.py::TestDot::test_huge_vectordot[complex128]'
+ 'numpy/_core/tests/test_multiarray.py::TestDot::test_huge_vectordot[float64]'
+ )
+ ;;
+ hppa)
+ EPYTEST_DESELECT+=(
+ # https://bugs.gentoo.org/942689
+ "numpy/_core/tests/test_dtype.py::TestBuiltin::test_dtype[int]"
+ "numpy/_core/tests/test_dtype.py::TestBuiltin::test_dtype[float]"
+ "numpy/_core/tests/test_dtype.py::TestBuiltin::test_dtype_bytes_str_equivalence[datetime64]"
+ "numpy/_core/tests/test_dtype.py::TestBuiltin::test_dtype_bytes_str_equivalence[timedelta64]"
+ "numpy/_core/tests/test_dtype.py::TestBuiltin::test_dtype_bytes_str_equivalence[<f]"
+ "numpy/_core/tests/test_dtype.py::TestPickling::test_pickle_dtype[dt28]"
+ numpy/f2py/tests/test_kind.py::TestKind::test_real
+ numpy/f2py/tests/test_kind.py::TestKind::test_quad_precision
+ numpy/tests/test_ctypeslib.py::TestAsArray::test_reference_cycles
+ numpy/tests/test_ctypeslib.py::TestAsArray::test_segmentation_fault
+ numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_scalar
+ numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_subarray
+ numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_structure
+ numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_structure_aligned
+ numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_union
+ numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_padded_union
+ )
+ ;;
+ ppc|x86)
+ EPYTEST_DESELECT+=(
+ # require too much memory
+ 'numpy/_core/tests/test_multiarray.py::TestDot::test_huge_vectordot[complex128]'
+ 'numpy/_core/tests/test_multiarray.py::TestDot::test_huge_vectordot[float64]'
+ )
+ ;;
+ esac
+
+ if [[ ${CHOST} == powerpc64le-* ]]; then
+ EPYTEST_DESELECT+=(
+ # long double thingy
+ numpy/_core/tests/test_scalarprint.py::TestRealScalars::test_ppc64_ibm_double_double128
+ )
+ fi
+
+ if use big-endian; then
+ EPYTEST_DESELECT+=(
+ # ppc64 and sparc
+ numpy/linalg/tests/test_linalg.py::TestDet::test_generalized_sq_cases
+ numpy/linalg/tests/test_linalg.py::TestDet::test_sq_cases
+ "numpy/f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f77[s1]"
+ "numpy/f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f77[t1]"
+ "numpy/f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f90[s1]"
+ "numpy/f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f90[t1]"
+ )
+ fi
+
+ if ! has_version -b "~${CATEGORY}/${P}[${PYTHON_USEDEP}]" ; then
+ # depends on importing numpy.random from system namespace
+ EPYTEST_DESELECT+=(
+ 'numpy/random/tests/test_extending.py::test_cython'
+ )
+ fi
+
+ if has_version ">=dev-python/setuptools-74[${PYTHON_USEDEP}]"; then
+ # msvccompiler removal
+ EPYTEST_DESELECT+=(
+ numpy/tests/test_public_api.py::test_all_modules_are_expected_2
+ numpy/tests/test_public_api.py::test_api_importable
+ )
+ EPYTEST_IGNORE+=(
+ numpy/distutils/tests/test_mingw32ccompiler.py
+ numpy/distutils/tests/test_system_info.py
+ )
+ fi
+
+ cd "${BUILD_DIR}/install$(python_get_sitedir)" || die
+ epytest
+}
+
+python_install_all() {
+ local DOCS=( LICENSE.txt README.md THANKS.txt )
+ distutils-r1_python_install_all
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-10 13:52:30 +0000