build: Build mlibc + add distclean target

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 0 insertions, 29 deletions

diff --git a/lib/mlibc/options/ansi/musl-generic-math/atanh.c b/lib/mlibc/options/ansi/musl-generic-math/atanh.c
deleted file mode 100644
index 63a035d..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/atanh.c
+++ /dev/null
@@ -1,29 +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) */
-double atanh(double x)
-{
-	union {double f; uint64_t i;} u = {.f = x};
-	unsigned e = u.i >> 52 & 0x7ff;
-	unsigned s = u.i >> 63;
-	double_t y;
-
-	/* |x| */
-	u.i &= (uint64_t)-1/2;
-	y = u.f;
-
-	if (e < 0x3ff - 1) {
-		if (e < 0x3ff - 32) {
-			/* handle underflow */
-			if (e == 0)
-				FORCE_EVAL((float)y);
-		} else {
-			/* |x| < 0.5, up to 1.7ulp error */
-			y = 0.5*log1p(2*y + 2*y*y/(1-y));
-		}
-	} else {
-		/* avoid overflow */
-		y = 0.5*log1p(2*(y/(1-y)));
-	}
-	return s ? -y : y;
-}