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- /* @(#)w_sqrt.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.
- * ====================================================
- */
- #if defined(LIBM_SCCS) && !defined(lint)
- static char rcsid[] = "$NetBSD: w_sqrt.c,v 1.6 1995/05/10 20:49:55 jtc Exp $";
- #endif
- /*
- * wrapper sqrt(x)
- */
- #include "math.h"
- #include "math_private.h"
- #ifdef __STDC__
- double sqrt(double x) /* wrapper sqrt */
- #else
- double sqrt(x) /* wrapper sqrt */
- double x;
- #endif
- {
- #ifdef _IEEE_LIBM
- return __ieee754_sqrt(x);
- #else
- double z;
- z = __ieee754_sqrt(x);
- if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
- if(x<0.0) {
- return __kernel_standard(x,x,26); /* sqrt(negative) */
- } else
- return z;
- #endif
- }
- libm_hidden_def(sqrt)
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