auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 57 deletions

diff --git a/libm/src/s_asinh.c b/libm/src/s_asinh.c
deleted file mode 100644
index 079007f..0000000
--- a/libm/src/s_asinh.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/* @(#)s_asinh.c 5.1 93/09/24 */
-/*
- * ====================================================
- * 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.
- * ====================================================
- */
-
-#ifndef lint
-static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_asinh.c,v 1.8 2002/05/28 18:15:04 alfred Exp $";
-#endif
-
-/* asinh(x)
- * Method :
- *	Based on
- *		asinh(x) = sign(x) * log [ |x| + sqrt(x*x+1) ]
- *	we have
- *	asinh(x) := x  if  1+x*x=1,
- *		 := sign(x)*(log(x)+ln2)) for large |x|, else
- *		 := sign(x)*log(2|x|+1/(|x|+sqrt(x*x+1))) if|x|>2, else
- *		 := sign(x)*log1p(|x| + x^2/(1 + sqrt(1+x^2)))
- */
-
-#include "math.h"
-#include "math_private.h"
-
-static const double
-one =  1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */
-ln2 =  6.93147180559945286227e-01, /* 0x3FE62E42, 0xFEFA39EF */
-huge=  1.00000000000000000000e+300;
-
-double
-asinh(double x)
-{
-	double t,w;
-	int32_t hx,ix;
-	GET_HIGH_WORD(hx,x);
-	ix = hx&0x7fffffff;
-	if(ix>=0x7ff00000) return x+x;	/* x is inf or NaN */
-	if(ix< 0x3e300000) {	/* |x|<2**-28 */
-	    if(huge+x>one) return x;	/* return x inexact except 0 */
-	}
-	if(ix>0x41b00000) {	/* |x| > 2**28 */
-	    w = __ieee754_log(fabs(x))+ln2;
-	} else if (ix>0x40000000) {	/* 2**28 > |x| > 2.0 */
-	    t = fabs(x);
-	    w = __ieee754_log(2.0*t+one/(__ieee754_sqrt(x*x+one)+t));
-	} else {		/* 2.0 > |x| > 2**-28 */
-	    t = x*x;
-	    w =log1p(fabs(x)+t/(one+__ieee754_sqrt(one+t)));
-	}
-	if(hx>0) return w; else return -w;
-}