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rename arb_fac2_ui -> arb_doublefac_ui (more descriptive)

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This commit is contained in:
Fredrik Johansson 2015-12-29 17:22:57 +01:00
parent 99d77ab215
commit 72075160cf
5 changed files with 8 additions and 8 deletions
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2
acb_hypgeom/legendre_p_uiui_rec.c
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@ -57,7 +57,7 @@ acb_hypgeom_legendre_p_uiui_rec(acb_t res, ulong n, ulong m, const acb_t z, slon
if (m == 0) if (m == 0)
arb_one(acb_realref(t)); arb_one(acb_realref(t));
else else
arb_fac2_ui(acb_realref(t), 2 * m - 1, prec); arb_doublefac_ui(acb_realref(t), 2 * m - 1, prec);
if (m % 2) if (m % 2)
arb_neg(acb_realref(t), acb_realref(t)); arb_neg(acb_realref(t), acb_realref(t));

2
arb.h
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@ -617,7 +617,7 @@ void arb_atanh(arb_t z, const arb_t x, slong prec);
void arb_asinh(arb_t z, const arb_t x, slong prec); void arb_asinh(arb_t z, const arb_t x, slong prec);
void arb_acosh(arb_t z, const arb_t x, slong prec); void arb_acosh(arb_t z, const arb_t x, slong prec);
void arb_fac_ui(arb_t z, ulong n, slong prec); void arb_fac_ui(arb_t z, ulong n, slong prec);
void arb_fac2_ui(arb_t z, ulong n, slong prec); void arb_doublefac_ui(arb_t z, ulong n, slong prec);
void arb_bin_ui(arb_t z, const arb_t n, ulong k, slong prec); void arb_bin_ui(arb_t z, const arb_t n, ulong k, slong prec);
void arb_bin_uiui(arb_t z, ulong n, ulong k, slong prec); void arb_bin_uiui(arb_t z, ulong n, ulong k, slong prec);
void arb_fib_fmpz(arb_t z, const fmpz_t n, slong prec); void arb_fib_fmpz(arb_t z, const fmpz_t n, slong prec);

4
arb/fac2_ui.c → arb/doublefac_ui.c
View file

@ -26,7 +26,7 @@
#include "arb.h" #include "arb.h"
void void
arb_fac2_ui(arb_t res, ulong n, slong prec) arb_doublefac_ui(arb_t res, ulong n, slong prec)
{ {
if (n % 2 == 0) if (n % 2 == 0)
{ {
@ -37,7 +37,7 @@ arb_fac2_ui(arb_t res, ulong n, slong prec)
{ {
arb_t t; arb_t t;
arb_init(t); arb_init(t);
arb_fac2_ui(t, n - 1, prec + 5); arb_doublefac_ui(t, n - 1, prec + 5);
arb_fac_ui(res, n, prec + 5); arb_fac_ui(res, n, prec + 5);
arb_div(res, res, t, prec); arb_div(res, res, t, prec);
arb_clear(t); arb_clear(t);

6
arb/test/t-fac2_ui.c → arb/test/t-doublefac_ui.c
View file

@ -30,7 +30,7 @@ int main()
slong iter; slong iter;
flint_rand_t state; flint_rand_t state;
flint_printf("fac2_ui...."); flint_printf("doublefac_ui....");
fflush(stdout); fflush(stdout);
flint_randinit(state); flint_randinit(state);
@ -52,8 +52,8 @@ int main()
if (n + 1 == 0 || n + 2 == 0) if (n + 1 == 0 || n + 2 == 0)
n -= 2; n -= 2;
arb_fac2_ui(a, n, prec1); arb_doublefac_ui(a, n, prec1);
arb_fac2_ui(b, n + 2, prec1); arb_doublefac_ui(b, n + 2, prec1);
arb_mul_ui(c, a, n + 2, prec2); arb_mul_ui(c, a, n + 2, prec2);
if (!arb_overlaps(b, c)) if (!arb_overlaps(b, c))

2
doc/source/arb.rst
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@ -1031,7 +1031,7 @@ Gamma function and factorials
Computes the factorial `z = n!` via the gamma function. Computes the factorial `z = n!` via the gamma function.
.. function:: void arb_fac2_ui(arb_t z, ulong n, slong prec) .. function:: void arb_doublefac_ui(arb_t z, ulong n, slong prec)
Computes the double factorial `z = n!!` via the gamma function. Computes the double factorial `z = n!!` via the gamma function.