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Implement Polynomial_real_arb #41306

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Implement Polynomial_real_arb #41306

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972ec32
Add Polynomial_real_arb by copy-paste-replace from Polynomial_complex…
user202729 Dec 18, 2025
6bcab41
Fix Polynomial_real_arb tests
user202729 Dec 18, 2025
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7 changes: 7 additions & 0 deletions src/sage/libs/flint/arb_poly_macros.pxd
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
# Macros from arb_poly.h
# See https://github.com/flintlib/flint/issues/1529

from .types cimport *

cdef extern from "flint_wrap.h":
arb_ptr arb_poly_get_coeff_ptr(arb_poly_t p, ulong n)
1 change: 1 addition & 0 deletions src/sage/libs/flint/meson.build
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Expand Up @@ -24,6 +24,7 @@ py.install_sources(
'arb_mat.pxd',
'arb_mat_macros.pxd',
'arb_poly.pxd',
'arb_poly_macros.pxd',
'arf.pxd',
'arith.pxd',
'arith.pyx',
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5 changes: 5 additions & 0 deletions src/sage/rings/polynomial/meson.build
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Expand Up @@ -70,6 +70,8 @@ py.install_sources(
'polynomial_quotient_ring_element.py',
'polynomial_rational_flint.pxd',
'polynomial_rational_flint.pyx',
'polynomial_real_arb.pxd',
'polynomial_real_arb.pyx',
'polynomial_real_mpfr_dense.pyx',
'polynomial_ring.py',
'polynomial_ring_constructor.py',
Expand Down Expand Up @@ -116,6 +118,7 @@ extension_data = {
'polynomial_complex_arb' : files('polynomial_complex_arb.pyx'),
'polynomial_element' : files('polynomial_element.pyx'),
'polynomial_number_field' : files('polynomial_number_field.pyx'),
'polynomial_real_arb' : files('polynomial_real_arb.pyx'),
'polynomial_real_mpfr_dense' : files('polynomial_real_mpfr_dense.pyx'),
'polynomial_ring_homomorphism' : files('polynomial_ring_homomorphism.pyx'),
'real_roots' : files('real_roots.pyx'),
Expand All @@ -130,6 +133,8 @@ foreach name, pyx : extension_data
deps = [py_dep, cysignals, gmp, numpy]
if name == 'evaluation_flint'
deps += [flint, mpfi]
elif name == 'polynomial_real_arb'
deps += [flint, mpfi]
elif name == 'polynomial_complex_arb'
deps += [flint, mpfi]
elif name == 'polynomial_real_mpfr_dense'
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6 changes: 6 additions & 0 deletions src/sage/rings/polynomial/polynomial_real_arb.pxd
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
from sage.libs.flint.arb_poly cimport *
from sage.rings.polynomial.polynomial_element cimport Polynomial

cdef class Polynomial_real_arb(Polynomial):
cdef arb_poly_struct[1] _poly # https://github.com/cython/cython/issues/1984
cdef Polynomial_real_arb _new(self)
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