Simplify nextafter() to nextup() / nextdown()

TimWolla · TimWolla · commit 0949bda4a6f7 · 2022-11-27T19:12:40.000+01:00
diff --git a/ext/random/randomizer.c b/ext/random/randomizer.c
@@ -131,12 +131,12 @@ PHP_METHOD(Random_Randomizer, nextFloat)
 
 static double getFloat_gamma_low(double x)
 {
-	return x - nextafter(x, -DBL_MAX);
+	return x - nextdown(x);
 }
 
 static double getFloat_gamma_high(double x)
 {
-	return nextafter(x, DBL_MAX) - x;
+	return nextup(x) - x;
 }
 
 static double getFloat_gamma(double x, double y)

Original file line number	Diff line number	Diff line change
`@@ -131,12 +131,12 @@ PHP_METHOD(Random_Randomizer, nextFloat)`
`131`	`131`
`132`	`132`	`static double getFloat_gamma_low(double x)`
`133`	`133`	`{`
`134`		`- return x - nextafter(x, -DBL_MAX);`
	`134`	`+ return x - nextdown(x);`
`135`	`135`	`}`
`136`	`136`
`137`	`137`	`static double getFloat_gamma_high(double x)`
`138`	`138`	`{`
`139`		`- return nextafter(x, DBL_MAX) - x;`
	`139`	`+ return nextup(x) - x;`
`140`	`140`	`}`
`141`	`141`
`142`	`142`	`static double getFloat_gamma(double x, double y)`