diff options
Diffstat (limited to 'stdlib/drand48-iter.c')
| -rw-r--r-- | stdlib/drand48-iter.c | 43 |
1 files changed, 21 insertions, 22 deletions
diff --git a/stdlib/drand48-iter.c b/stdlib/drand48-iter.c index 6c15b15e1c..707be8e566 100644 --- a/stdlib/drand48-iter.c +++ b/stdlib/drand48-iter.c @@ -1,21 +1,21 @@ /* Copyright (C) 1995, 1996 Free Software Foundation, Inc. -This file is part of the GNU C Library. -Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. -The GNU C Library 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 -Library General Public License for more details. + The GNU C Library 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 + Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ #include <errno.h> #include <stdlib.h> @@ -55,21 +55,20 @@ __drand48_iterate (xsubi, buffer) if (sizeof (unsigned short int) == 2) { - X = (xsubi[2] << 16 | xsubi[1]) << 16 | xsubi[0]; - a = (buffer->a[2] << 16 | buffer->a[1]) << 16 | buffer->a[0]; + X = (u_int64_t)xsubi[2] << 32 | (u_int64_t)xsubi[1] << 16 | xsubi[0]; + a = ((u_int64_t)buffer->a[2] << 32 | (u_int64_t)buffer->a[1] << 16 + | buffer->a[0]); result = X * a + buffer->c; xsubi[0] = result & 0xffff; - result >>= 16; - xsubi[1] = result & 0xffff; - result >>= 16; - xsubi[2] = result & 0xffff; + xsubi[1] = (result >> 16) & 0xffff; + xsubi[2] = (result >> 32) & 0xffff; } else { - X = xsubi[2] << 16 | xsubi[1] >> 16; - a = buffer->a[2] << 16 | buffer->a[1] >> 16; + X = (u_int64_t)xsubi[2] << 16 | xsubi[1] >> 16; + a = (u_int64_t)buffer->a[2] << 16 | buffer->a[1] >> 16; result = X * a + buffer->c; |