#16671: implement harmonic number function H(n,m)
-------------------------------------+-------------------------------------
Reporter: rws | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.4
Component: symbolics | Resolution:
Keywords: special, log | Merged in:
Authors: Ralf Stephan | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/rws/implement_harmonic_number_function_h_n_m_|
87597bde4c041766a26674a3a8be1d4b076180d5
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Changes (by jdemeyer):
* status: needs_review => needs_work
Comment:
You don't need this:
{{{
#!diff
diff --git a/src/sage/libs/flint/arith.pyx b/src/sage/libs/flint/arith.pyx
index 7280536..91caf32 100644
--- a/src/sage/libs/flint/arith.pyx
+++ b/src/sage/libs/flint/arith.pyx
@@ -10,10 +10,23 @@ FLINT Arithmetic Functions
include "sage/ext/interrupt.pxi"
+cdef extern from "flint/fmpq.h":
+ ctypedef void * fmpq_t
+ void fmpq_init(fmpq_t)
+ void fmpq_clear(fmpq_t)
+ void fmpq_get_mpq(mpq_t, fmpq_t)
+ void fmpq_set_mpq(fmpq_t, mpq_t)
+
+cdef extern from "flint/arith.h":
+ void arith_number_of_partitions(fmpz_t x, unsigned long n)
+ void arith_dedekind_sum(fmpq_t, fmpz_t, fmpz_t)
+ void arith_harmonic_number(fmpq_t, unsigned long n)
+
from fmpz cimport *
from fmpq cimport *
from arith cimport *
+
from sage.rings.integer cimport Integer
from sage.rings.rational cimport Rational
}}}
Add the functions you need (only `arith_harmonic_number` in this case) to
`src/sage/libs/flint/arith.pxd` instead.
--
Ticket URL: <http://trac.sagemath.org/ticket/16671#comment:35>
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