build: Build mlibc + add distclean target

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

1 files changed, 0 insertions, 94 deletions

diff --git a/lib/mlibc/options/ansi/musl-generic-math/atanf.c b/lib/mlibc/options/ansi/musl-generic-math/atanf.c
deleted file mode 100644
index 178341b..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/atanf.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/* origin: FreeBSD /usr/src/lib/msun/src/s_atanf.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 atanhi[] = {
-  4.6364760399e-01, /* atan(0.5)hi 0x3eed6338 */
-  7.8539812565e-01, /* atan(1.0)hi 0x3f490fda */
-  9.8279368877e-01, /* atan(1.5)hi 0x3f7b985e */
-  1.5707962513e+00, /* atan(inf)hi 0x3fc90fda */
-};
-
-static const float atanlo[] = {
-  5.0121582440e-09, /* atan(0.5)lo 0x31ac3769 */
-  3.7748947079e-08, /* atan(1.0)lo 0x33222168 */
-  3.4473217170e-08, /* atan(1.5)lo 0x33140fb4 */
-  7.5497894159e-08, /* atan(inf)lo 0x33a22168 */
-};
-
-static const float aT[] = {
-  3.3333328366e-01,
- -1.9999158382e-01,
-  1.4253635705e-01,
- -1.0648017377e-01,
-  6.1687607318e-02,
-};
-
-float atanf(float x)
-{
-	float_t w,s1,s2,z;
-	uint32_t ix,sign;
-	int id;
-
-	GET_FLOAT_WORD(ix, x);
-	sign = ix>>31;
-	ix &= 0x7fffffff;
-	if (ix >= 0x4c800000) {  /* if |x| >= 2**26 */
-		if (isnan(x))
-			return x;
-		z = atanhi[3] + 0x1p-120f;
-		return sign ? -z : z;
-	}
-	if (ix < 0x3ee00000) {   /* |x| < 0.4375 */
-		if (ix < 0x39800000) {  /* |x| < 2**-12 */
-			if (ix < 0x00800000)
-				/* raise underflow for subnormal x */
-				FORCE_EVAL(x*x);
-			return x;
-		}
-		id = -1;
-	} else {
-		x = fabsf(x);
-		if (ix < 0x3f980000) {  /* |x| < 1.1875 */
-			if (ix < 0x3f300000) {  /*  7/16 <= |x| < 11/16 */
-				id = 0;
-				x = (2.0f*x - 1.0f)/(2.0f + x);
-			} else {                /* 11/16 <= |x| < 19/16 */
-				id = 1;
-				x = (x - 1.0f)/(x + 1.0f);
-			}
-		} else {
-			if (ix < 0x401c0000) {  /* |x| < 2.4375 */
-				id = 2;
-				x = (x - 1.5f)/(1.0f + 1.5f*x);
-			} else {                /* 2.4375 <= |x| < 2**26 */
-				id = 3;
-				x = -1.0f/x;
-			}
-		}
-	}
-	/* end of argument reduction */
-	z = x*x;
-	w = z*z;
-	/* break sum from i=0 to 10 aT[i]z**(i+1) into odd and even poly */
-	s1 = z*(aT[0]+w*(aT[2]+w*aT[4]));
-	s2 = w*(aT[1]+w*aT[3]);
-	if (id < 0)
-		return x - x*(s1+s2);
-	z = atanhi[id] - ((x*(s1+s2) - atanlo[id]) - x);
-	return sign ? -z : z;
-}