build: Build mlibc + add distclean target

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

1 files changed, 0 insertions, 71 deletions

diff --git a/lib/mlibc/options/ansi/musl-generic-math/acosf.c b/lib/mlibc/options/ansi/musl-generic-math/acosf.c
deleted file mode 100644
index 8ee1a71..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/acosf.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/* origin: FreeBSD /usr/src/lib/msun/src/e_acosf.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 "libm.h"
-
-static const float
-pio2_hi = 1.5707962513e+00, /* 0x3fc90fda */
-pio2_lo = 7.5497894159e-08, /* 0x33a22168 */
-pS0 =  1.6666586697e-01,
-pS1 = -4.2743422091e-02,
-pS2 = -8.6563630030e-03,
-qS1 = -7.0662963390e-01;
-
-static float R(float z)
-{
-	float_t p, q;
-	p = z*(pS0+z*(pS1+z*pS2));
-	q = 1.0f+z*qS1;
-	return p/q;
-}
-
-float acosf(float x)
-{
-	float z,w,s,c,df;
-	uint32_t hx,ix;
-
-	GET_FLOAT_WORD(hx, x);
-	ix = hx & 0x7fffffff;
-	/* |x| >= 1 or nan */
-	if (ix >= 0x3f800000) {
-		if (ix == 0x3f800000) {
-			if (hx >> 31)
-				return 2*pio2_hi + 0x1p-120f;
-			return 0;
-		}
-		return 0/(x-x);
-	}
-	/* |x| < 0.5 */
-	if (ix < 0x3f000000) {
-		if (ix <= 0x32800000) /* |x| < 2**-26 */
-			return pio2_hi + 0x1p-120f;
-		return pio2_hi - (x - (pio2_lo-x*R(x*x)));
-	}
-	/* x < -0.5 */
-	if (hx >> 31) {
-		z = (1+x)*0.5f;
-		s = sqrtf(z);
-		w = R(z)*s-pio2_lo;
-		return 2*(pio2_hi - (s+w));
-	}
-	/* x > 0.5 */
-	z = (1-x)*0.5f;
-	s = sqrtf(z);
-	GET_FLOAT_WORD(hx,s);
-	SET_FLOAT_WORD(df,hx&0xfffff000);
-	c = (z-df*df)/(s+df);
-	w = R(z)*s+c;
-	return 2*(df+w);
-}