build: Build mlibc + add distclean target

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

1 files changed, 0 insertions, 64 deletions

diff --git a/lib/mlibc/options/ansi/musl-generic-math/tanf.c b/lib/mlibc/options/ansi/musl-generic-math/tanf.c
deleted file mode 100644
index aba1977..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/tanf.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/* origin: FreeBSD /usr/src/lib/msun/src/s_tanf.c */
-/*
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- * Optimized by Bruce D. Evans.
- */
-/*
- * ====================================================
- * 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"
-
-/* Small multiples of pi/2 rounded to double precision. */
-static const double
-t1pio2 = 1*M_PI_2, /* 0x3FF921FB, 0x54442D18 */
-t2pio2 = 2*M_PI_2, /* 0x400921FB, 0x54442D18 */
-t3pio2 = 3*M_PI_2, /* 0x4012D97C, 0x7F3321D2 */
-t4pio2 = 4*M_PI_2; /* 0x401921FB, 0x54442D18 */
-
-float tanf(float x)
-{
-	double y;
-	uint32_t ix;
-	unsigned n, sign;
-
-	GET_FLOAT_WORD(ix, x);
-	sign = ix >> 31;
-	ix &= 0x7fffffff;
-
-	if (ix <= 0x3f490fda) {  /* |x| ~<= pi/4 */
-		if (ix < 0x39800000) {  /* |x| < 2**-12 */
-			/* raise inexact if x!=0 and underflow if subnormal */
-			FORCE_EVAL(ix < 0x00800000 ? x/0x1p120f : x+0x1p120f);
-			return x;
-		}
-		return __tandf(x, 0);
-	}
-	if (ix <= 0x407b53d1) {  /* |x| ~<= 5*pi/4 */
-		if (ix <= 0x4016cbe3)  /* |x| ~<= 3pi/4 */
-			return __tandf((sign ? x+t1pio2 : x-t1pio2), 1);
-		else
-			return __tandf((sign ? x+t2pio2 : x-t2pio2), 0);
-	}
-	if (ix <= 0x40e231d5) {  /* |x| ~<= 9*pi/4 */
-		if (ix <= 0x40afeddf)  /* |x| ~<= 7*pi/4 */
-			return __tandf((sign ? x+t3pio2 : x-t3pio2), 1);
-		else
-			return __tandf((sign ? x+t4pio2 : x-t4pio2), 0);
-	}
-
-	/* tan(Inf or NaN) is NaN */
-	if (ix >= 0x7f800000)
-		return x - x;
-
-	/* argument reduction */
-	n = __rem_pio2f(x, &y);
-	return __tandf(y, n&1);
-}