build: Build mlibc + add distclean target

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

1 files changed, 0 insertions, 69 deletions

diff --git a/lib/mlibc/options/ansi/musl-generic-math/logf.c b/lib/mlibc/options/ansi/musl-generic-math/logf.c
deleted file mode 100644
index 52230a1..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/logf.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/* origin: FreeBSD /usr/src/lib/msun/src/e_logf.c */
-/*
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-#include <math.h>
-#include <stdint.h>
-
-static const float
-ln2_hi = 6.9313812256e-01, /* 0x3f317180 */
-ln2_lo = 9.0580006145e-06, /* 0x3717f7d1 */
-/* |(log(1+s)-log(1-s))/s - Lg(s)| < 2**-34.24 (~[-4.95e-11, 4.97e-11]). */
-Lg1 = 0xaaaaaa.0p-24, /* 0.66666662693 */
-Lg2 = 0xccce13.0p-25, /* 0.40000972152 */
-Lg3 = 0x91e9ee.0p-25, /* 0.28498786688 */
-Lg4 = 0xf89e26.0p-26; /* 0.24279078841 */
-
-float logf(float x)
-{
-	union {float f; uint32_t i;} u = {x};
-	float_t hfsq,f,s,z,R,w,t1,t2,dk;
-	uint32_t ix;
-	int k;
-
-	ix = u.i;
-	k = 0;
-	if (ix < 0x00800000 || ix>>31) {  /* x < 2**-126  */
-		if (ix<<1 == 0)
-			return -1/(x*x);  /* log(+-0)=-inf */
-		if (ix>>31)
-			return (x-x)/0.0f; /* log(-#) = NaN */
-		/* subnormal number, scale up x */
-		k -= 25;
-		x *= 0x1p25f;
-		u.f = x;
-		ix = u.i;
-	} else if (ix >= 0x7f800000) {
-		return x;
-	} else if (ix == 0x3f800000)
-		return 0;
-
-	/* reduce x into [sqrt(2)/2, sqrt(2)] */
-	ix += 0x3f800000 - 0x3f3504f3;
-	k += (int)(ix>>23) - 0x7f;
-	ix = (ix&0x007fffff) + 0x3f3504f3;
-	u.i = ix;
-	x = u.f;
-
-	f = x - 1.0f;
-	s = f/(2.0f + f);
-	z = s*s;
-	w = z*z;
-	t1= w*(Lg2+w*Lg4);
-	t2= z*(Lg1+w*Lg3);
-	R = t2 + t1;
-	hfsq = 0.5f*f*f;
-	dk = k;
-	return s*(hfsq+R) + dk*ln2_lo - hfsq + f + dk*ln2_hi;
-}