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-rw-r--r--w_sqrt.c38
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+
+/* @(#)w_sqrt.c 1.3 95/01/18 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunSoft, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+/*
+ * wrapper ieee_sqrt(x)
+ */
+
+#include "fdlibm.h"
+
+#ifdef __STDC__
+ double ieee_sqrt(double x) /* wrapper sqrt */
+#else
+ double ieee_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_ || ieee_isnan(x)) return z;
+ if(x<0.0) {
+ return __kernel_standard(x,x,26); /* ieee_sqrt(negative) */
+ } else
+ return z;
+#endif
+}