1 files changed, 0 insertions, 93 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/fmaf.c b/lib/mlibc/options/ansi/musl-generic-math/fmaf.c
deleted file mode 100644
index aa57feb..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/fmaf.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/* origin: FreeBSD /usr/src/lib/msun/src/s_fmaf.c */
-/*-
- * Copyright (c) 2005-2011 David Schultz <das@FreeBSD.ORG>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <fenv.h>
-#include <math.h>
-#include <stdint.h>
-
-/*
- * Fused multiply-add: Compute x * y + z with a single rounding error.
- *
- * A double has more than twice as much precision than a float, so
- * direct double-precision arithmetic suffices, except where double
- * rounding occurs.
- */
-float fmaf(float x, float y, float z)
-{
-	#pragma STDC FENV_ACCESS ON
-	double xy, result;
-	union {double f; uint64_t i;} u;
-	int e;
-
-	xy = (double)x * y;
-	result = xy + z;
-	u.f = result;
-	e = u.i>>52 & 0x7ff;
-	/* Common case: The double precision result is fine. */
-	if ((u.i & 0x1fffffff) != 0x10000000 || /* not a halfway case */
-		e == 0x7ff ||                   /* NaN */
-		result - xy == z ||                 /* exact */
-		fegetround() != FE_TONEAREST)       /* not round-to-nearest */
-	{
-		/*
-		underflow may not be raised correctly, example:
-		fmaf(0x1p-120f, 0x1p-120f, 0x1p-149f)
-		*/
-#if defined(FE_INEXACT) && defined(FE_UNDERFLOW)
-		if (e < 0x3ff-126 && e >= 0x3ff-149 && fetestexcept(FE_INEXACT)) {
-			feclearexcept(FE_INEXACT);
-			/* TODO: gcc and clang bug workaround */
-			volatile float vz = z;
-			result = xy + vz;
-			if (fetestexcept(FE_INEXACT))
-				feraiseexcept(FE_UNDERFLOW);
-			else
-				feraiseexcept(FE_INEXACT);
-		}
-#endif
-		z = result;
-		return z;
-	}
-
-	/*
-	 * If result is inexact, and exactly halfway between two float values,
-	 * we need to adjust the low-order bit in the direction of the error.
-	 */
-#ifdef FE_TOWARDZERO
-	fesetround(FE_TOWARDZERO);
-#endif
-	volatile double vxy = xy;  /* XXX work around gcc CSE bug */
-	double adjusted_result = vxy + z;
-	fesetround(FE_TONEAREST);
-	if (result == adjusted_result) {
-		u.f = adjusted_result;
-		u.i++;
-		adjusted_result = u.f;
-	}
-	z = adjusted_result;
-	return z;
-}