diff options
| -rw-r--r-- | Misc/NEWS.d/next/Library/2019-02-25-13-21-43.bpo-36106.VuhEiQ.rst | 1 | ||||
| -rw-r--r-- | Modules/mathmodule.c | 8 |
2 files changed, 5 insertions, 4 deletions
diff --git a/Misc/NEWS.d/next/Library/2019-02-25-13-21-43.bpo-36106.VuhEiQ.rst b/Misc/NEWS.d/next/Library/2019-02-25-13-21-43.bpo-36106.VuhEiQ.rst new file mode 100644 index 0000000..36e1750 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2019-02-25-13-21-43.bpo-36106.VuhEiQ.rst @@ -0,0 +1 @@ +Resolve potential name clash with libm's sinpi(). Patch by Dmitrii Pasechnik. diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c index 2272f62..fd0eb32 100644 --- a/Modules/mathmodule.c +++ b/Modules/mathmodule.c @@ -100,7 +100,7 @@ static const double sqrtpi = 1.772453850905516027298167483341145182798; } static double -sinpi(double x) +m_sinpi(double x) { double y, r; int n; @@ -328,7 +328,7 @@ m_tgamma(double x) integer. */ if (absx > 200.0) { if (x < 0.0) { - return 0.0/sinpi(x); + return 0.0/m_sinpi(x); } else { errno = ERANGE; @@ -352,7 +352,7 @@ m_tgamma(double x) } z = z * lanczos_g / y; if (x < 0.0) { - r = -pi / sinpi(absx) / absx * exp(y) / lanczos_sum(absx); + r = -pi / m_sinpi(absx) / absx * exp(y) / lanczos_sum(absx); r -= z * r; if (absx < 140.0) { r /= pow(y, absx - 0.5); @@ -423,7 +423,7 @@ m_lgamma(double x) 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(m_sinpi(absx))) - log(absx) - r; if (Py_IS_INFINITY(r)) errno = ERANGE; return r; |