Imported gcc-4.4.3

[msp430-gcc.git] / libjava / java / lang / s_rint.c

diff --git a/libjava/java/lang/s_rint.c b/libjava/java/lang/s_rint.c
deleted file mode 100644 (file)
index 5d3f811..0000000
--- a/libjava/java/lang/s_rint.c
+++ /dev/null
@@ -1,87 +0,0 @@
-
-/* @(#)s_rint.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.
- * ====================================================
- */
-
-/*
- * rint(x)
- * Return x rounded to integral value according to the prevailing
- * rounding mode.
- * Method:
- *     Using floating addition.
- * Exception:
- *     Inexact flag raised if x not equal to rint(x).
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-TWO52[2]={
-  4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */
- -4.50359962737049600000e+15, /* 0xC3300000, 0x00000000 */
-};
-
-#ifdef __STDC__
-       double rint(double x)
-#else
-       double rint(x)
-       double x;
-#endif
-{
-       int32_t i0,j0,sx;
-       uint32_t i,i1;
-       double t;
-       volatile double w;
-       EXTRACT_WORDS(i0,i1,x);
-       sx = (i0>>31)&1;
-       j0 = ((i0>>20)&0x7ff)-0x3ff;
-       if(j0<20) {
-           if(j0<0) {
-               if(((i0&0x7fffffff)|i1)==0) return x;
-               i1 |= (i0&0x0fffff);
-               i0 &= 0xfffe0000;
-               i0 |= ((i1|-i1)>>12)&0x80000;
-               SET_HIGH_WORD(x,i0);
-               w = TWO52[sx]+x;
-               t =  w-TWO52[sx];
-               GET_HIGH_WORD(i0,t);
-               SET_HIGH_WORD(t,(i0&0x7fffffff)|(sx<<31));
-               return t;
-           } else {
-               i = (0x000fffff)>>j0;
-               if(((i0&i)|i1)==0) return x; /* x is integral */
-               i>>=1;
-               if(((i0&i)|i1)!=0) {
-                   if(j0==19) i1 = 0x40000000; else
-                   i0 = (i0&(~i))|((0x20000)>>j0);
-               }
-           }
-       } else if (j0>51) {
-           if(j0==0x400) return x+x;   /* inf or NaN */
-           else return x;              /* x is integral */
-       } else {
-           i = ((uint32_t)(0xffffffff))>>(j0-20);
-           if((i1&i)==0) return x;     /* x is integral */
-           i>>=1;
-           if((i1&i)!=0) i1 = (i1&(~i))|((0x40000000)>>(j0-20));
-       }
-       INSERT_WORDS(x,i0,i1);
-       w = TWO52[sx]+x;
-       return w-TWO52[sx];
-}
-
-#endif /* _DOUBLE_IS_32BITS */