bpo-36106: Resolve sinpi name clash with libm (IEEE-754 violation). (…

bpo-36106: Resolve sinpi name clash with libm (IEEE-754 violation). (… · python/cpython@f57cd82

2 files changed

lines changed

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Resolve potential name clash with libm's sinpi(). Patch by Dmitrii Pasechnik.`

Original file line number	Diff line number	Diff line change
`@@ -100,7 +100,7 @@ static const double sqrtpi = 1.772453850905516027298167483341145182798;`
`100`	`100`	`}`
`101`	`101`
`102`	`102`	`static double`
`103`		`-sinpi(double x)`
	`103`	`+m_sinpi(double x)`
`104`	`104`	`{`
`105`	`105`	`double y, r;`
`106`	`106`	`int n;`
`@@ -328,7 +328,7 @@ m_tgamma(double x)`
`328`	`328`	`integer. */`
`329`	`329`	`if (absx > 200.0) {`
`330`	`330`	`if (x < 0.0) {`
`331`		`-return 0.0/sinpi(x);`
	`331`	`+return 0.0/m_sinpi(x);`
`332`	`332`	`}`
`333`	`333`	`else {`
`334`	`334`	`errno = ERANGE;`
`@@ -352,7 +352,7 @@ m_tgamma(double x)`
`352`	`352`	`}`
`353`	`353`	`z = z * lanczos_g / y;`
`354`	`354`	`if (x < 0.0) {`
`355`		`-r = -pi / sinpi(absx) / absx * exp(y) / lanczos_sum(absx);`
	`355`	`+r = -pi / m_sinpi(absx) / absx * exp(y) / lanczos_sum(absx);`
`356`	`356`	`r -= z * r;`
`357`	`357`	`if (absx < 140.0) {`
`358`	`358`	`r /= pow(y, absx - 0.5);`
`@@ -423,7 +423,7 @@ m_lgamma(double x)`
`423`	`423`	`r += (absx - 0.5) * (log(absx + lanczos_g - 0.5) - 1);`
`424`	`424`	`if (x < 0.0)`
`425`	`425`	`/* Use reflection formula to get value for negative x. */`
`426`		`-r = logpi - log(fabs(sinpi(absx))) - log(absx) - r;`
	`426`	`+r = logpi - log(fabs(m_sinpi(absx))) - log(absx) - r;`
`427`	`427`	`if (Py_IS_INFINITY(r))`
`428`	`428`	`errno = ERANGE;`
`429`	`429`	`return r;`