build: Build mlibc + add distclean target

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

1 files changed, 0 insertions, 83 deletions

diff --git a/lib/mlibc/options/ansi/musl-generic-math/expf.c b/lib/mlibc/options/ansi/musl-generic-math/expf.c
deleted file mode 100644
index feee2b0..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/expf.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/* origin: FreeBSD /usr/src/lib/msun/src/e_expf.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
-half[2] = {0.5,-0.5},
-ln2hi   = 6.9314575195e-1f,  /* 0x3f317200 */
-ln2lo   = 1.4286067653e-6f,  /* 0x35bfbe8e */
-invln2  = 1.4426950216e+0f,  /* 0x3fb8aa3b */
-/*
- * Domain [-0.34568, 0.34568], range ~[-4.278e-9, 4.447e-9]:
- * |x*(exp(x)+1)/(exp(x)-1) - p(x)| < 2**-27.74
- */
-P1 =  1.6666625440e-1f, /*  0xaaaa8f.0p-26 */
-P2 = -2.7667332906e-3f; /* -0xb55215.0p-32 */
-
-float expf(float x)
-{
-	float_t hi, lo, c, xx, y;
-	int k, sign;
-	uint32_t hx;
-
-	GET_FLOAT_WORD(hx, x);
-	sign = hx >> 31;   /* sign bit of x */
-	hx &= 0x7fffffff;  /* high word of |x| */
-
-	/* special cases */
-	if (hx >= 0x42aeac50) {  /* if |x| >= -87.33655f or NaN */
-		if (hx > 0x7f800000) /* NaN */
-			return x;
-		if (hx >= 0x42b17218 && !sign) {  /* x >= 88.722839f */
-			/* overflow */
-			x *= 0x1p127f;
-			return x;
-		}
-		if (sign) {
-			/* underflow */
-			FORCE_EVAL(-0x1p-149f/x);
-			if (hx >= 0x42cff1b5)  /* x <= -103.972084f */
-				return 0;
-		}
-	}
-
-	/* argument reduction */
-	if (hx > 0x3eb17218) {  /* if |x| > 0.5 ln2 */
-		if (hx > 0x3f851592)  /* if |x| > 1.5 ln2 */
-			k = invln2*x + half[sign];
-		else
-			k = 1 - sign - sign;
-		hi = x - k*ln2hi;  /* k*ln2hi is exact here */
-		lo = k*ln2lo;
-		x = hi - lo;
-	} else if (hx > 0x39000000) {  /* |x| > 2**-14 */
-		k = 0;
-		hi = x;
-		lo = 0;
-	} else {
-		/* raise inexact */
-		FORCE_EVAL(0x1p127f + x);
-		return 1 + x;
-	}
-
-	/* x is now in primary range */
-	xx = x*x;
-	c = x - xx*(P1+xx*P2);
-	y = 1 + (x*c/(2-c) - lo + hi);
-	if (k == 0)
-		return y;
-	return scalbnf(y, k);
-}