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mruby-math: use erfc(x) instead of 1.0 - erf(x)

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Yukihiro "Matz" Matsumoto
2024-01-09 08:01:28 +09:00
parent 51c4c4716a
commit af3482d562
1 changed files with 1 additions and 1 deletions
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mrbgems/mruby-math/src/math.c
+1 -1
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@@ -139,7 +139,7 @@ erfc(double x)
double n = 1.0;
if (fabs(x) < 2.2) {
return 1.0 - erf(x);
return erfc(x);
}
if (x < 0.0) { /*signbit(x)*/
return 2.0 - erfc(-x);