8187443: Forest Consolidation: Move files to unified layout

Reviewed-by: darcy, ihse
2025-09-19 18:44:38 +02:00 · 2017-09-12 19:03:39 +02:00 · 2017-09-12 19:03:39 +02:00 · 3789983e89
commit 3789983e89
parent 270fe13182
56923 changed files with 3 additions and 15727 deletions
--- a/src/java.base/share/native/libfdlibm/s_rint.c
+++ b/src/java.base/share/native/libfdlibm/s_rint.c
@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 1998, 2001, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * 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"
+
+#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
+{
+        int i0,j0,sx;
+        unsigned i,i1;
+        double w,t;
+        i0 =  __HI(x);
+        sx = (i0>>31)&1;
+        i1 =  __LO(x);
+        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;
+                __HI(x)=i0;
+                w = TWO52[sx]+x;
+                t =  w-TWO52[sx];
+                i0 = __HI(t);
+                __HI(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 = ((unsigned)(0xffffffff))>>(j0-20);
+            if((i1&i)==0) return x;     /* x is integral */
+            i>>=1;
+            if((i1&i)!=0) i1 = (i1&(~i))|((0x40000000)>>(j0-20));
+        }
+        __HI(x) = i0;
+        __LO(x) = i1;
+        w = TWO52[sx]+x;
+        return w-TWO52[sx];
+}