Date: Fri, 12 Apr 2019 09:28:10 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: freebsd-ports@freebsd.org Subject: Re: Default python is 3.6? Message-ID: <20190412162810.GA24821@troutmask.apl.washington.edu> In-Reply-To: <20190412161742.GA21349@troutmask.apl.washington.edu> References: <20190412161112.GA5963@troutmask.apl.washington.edu> <20190412161742.GA21349@troutmask.apl.washington.edu>
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On Fri, Apr 12, 2019 at 09:17:42AM -0700, Steve Kargl wrote:
>
> % find . -name math\*
> ./work/Python-3.6.8/Doc/library/math.rst
> ./work/Python-3.6.8/Modules/mathmodule.c
> ./work/Python-3.6.8/Lib/test/math_testcases.txt
> ./work/stage/usr/local/lib/python3.6/test/math_testcases.txt
>
Well, this one is easy to fix. I've sent this patch for 2 to 3
years now. I've opened a PR about it. Someday you guys might
actually fix this, because I will contacting core to get my
commit bit back.
--- work/Python-3.6.8/Modules/mathmodule.c.orig 2019-04-12 09:23:42.329350000 -0700
+++ work/Python-3.6.8/Modules/mathmodule.c 2019-04-12 09:24:37.977029000 -0700
@@ -67,7 +67,7 @@
static const double logpi = 1.144729885849400174143427351353058711647;
static double
-sinpi(double x)
+_freebsd_ports_are_broken_sinpi(double x)
{
double y, r;
int n;
@@ -296,7 +296,7 @@
integer. */
if (absx > 200.0) {
if (x < 0.0) {
- return 0.0/sinpi(x);
+ return 0.0/_freebsd_ports_are_broken_sinpi(x);
}
else {
errno = ERANGE;
@@ -320,7 +320,7 @@
}
z = z * lanczos_g / y;
if (x < 0.0) {
- r = -pi / sinpi(absx) / absx * exp(y) / lanczos_sum(absx);
+ r = -pi / _freebsd_ports_are_broken_sinpi(absx) / absx * exp(y) / lanczos_sum(absx);
r -= z * r;
if (absx < 140.0) {
r /= pow(y, absx - 0.5);
@@ -390,7 +390,7 @@
r += (absx - 0.5) * (log(absx + lanczos_g - 0.5) - 1);
if (x < 0.0)
/* Use reflection formula to get value for negative x. */
- r = logpi - log(fabs(sinpi(absx))) - log(absx) - r;
+ r = logpi - log(fabs(_freebsd_ports_are_broken_sinpi(absx))) - log(absx) - r;
if (Py_IS_INFINITY(r))
errno = ERANGE;
return r;
--
Steve
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