1 files changed, 0 insertions, 28 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/atanhf.c b/lib/mlibc/options/ansi/musl-generic-math/atanhf.c
deleted file mode 100644
index 65f07c0..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/atanhf.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include "libm.h"
-
-/* atanh(x) = log((1+x)/(1-x))/2 = log1p(2x/(1-x))/2 ~= x + x^3/3 + o(x^5) */
-float atanhf(float x)
-{
-	union {float f; uint32_t i;} u = {.f = x};
-	unsigned s = u.i >> 31;
-	float_t y;
-
-	/* |x| */
-	u.i &= 0x7fffffff;
-	y = u.f;
-
-	if (u.i < 0x3f800000 - (1<<23)) {
-		if (u.i < 0x3f800000 - (32<<23)) {
-			/* handle underflow */
-			if (u.i < (1<<23))
-				FORCE_EVAL((float)(y*y));
-		} else {
-			/* |x| < 0.5, up to 1.7ulp error */
-			y = 0.5f*log1pf(2*y + 2*y*y/(1-y));
-		}
-	} else {
-		/* avoid overflow */
-		y = 0.5f*log1pf(2*(y/(1-y)));
-	}
-	return s ? -y : y;
-}