8dd080032b
Mainly removing whitespace at the end of lines.
This will reduce future diffs/conflicts.
Also adding a space after if, while, and for
This was all accomplished with:
#!/usr/bin/perl -pi~
s/[ ]+$//; # there is a space and a tab in the brackets
s/if\(/if (/g;
s/for\(/for (/g;
s/while\(/while (/g;
arch/alpha/alpha_memory.cc:
arch/alpha/alpha_memory.hh:
arch/alpha/arguments.hh:
arch/alpha/ev5.cc:
arch/alpha/fake_syscall.cc:
arch/alpha/isa_traits.hh:
arch/alpha/vtophys.cc:
base/cprintf.cc:
base/cprintf.hh:
base/cprintf_formats.hh:
base/dbl_list.hh:
base/fast_alloc.cc:
base/fast_alloc.hh:
base/hybrid_pred.cc:
base/hybrid_pred.hh:
base/inet.cc:
base/inifile.cc:
base/intmath.cc:
base/intmath.hh:
base/misc.cc:
base/mod_num.hh:
base/pollevent.cc:
base/random.cc:
base/random.hh:
base/range.hh:
base/refcnt.hh:
base/remote_gdb.cc:
base/remote_gdb.hh:
base/res_list.hh:
base/sat_counter.cc:
base/sat_counter.hh:
base/sched_list.hh:
base/compression/lzss_compression.cc:
base/compression/lzss_compression.hh:
base/compression/null_compression.hh:
base/loader/coff_sym.h:
base/loader/coff_symconst.h:
base/loader/ecoff_object.cc:
base/loader/object_file.cc:
base/loader/object_file.hh:
base/loader/symtab.cc:
base/loader/symtab.hh:
base/socket.cc:
base/statistics.cc:
base/statistics.hh:
base/str.cc:
base/str.hh:
base/trace.cc:
base/trace.hh:
cpu/base_cpu.cc:
cpu/base_cpu.hh:
cpu/exec_context.hh:
cpu/exetrace.cc:
cpu/intr_control.hh:
cpu/pc_event.cc:
cpu/pc_event.hh:
cpu/static_inst.hh:
cpu/full_cpu/op_class.hh:
cpu/full_cpu/smt.hh:
cpu/memtest/memtest.cc:
cpu/memtest/memtest.hh:
cpu/simple_cpu/simple_cpu.cc:
cpu/simple_cpu/simple_cpu.hh:
dev/alpha_access.h:
dev/alpha_console.cc:
dev/alpha_console.hh:
dev/console.cc:
dev/console.hh:
dev/disk_image.cc:
dev/disk_image.hh:
dev/etherbus.cc:
dev/etherdump.cc:
dev/etherint.cc:
dev/etherlink.cc:
dev/etherlink.hh:
dev/ethertap.cc:
dev/pcireg.h:
docs/stl.hh:
kern/tru64/dump_mbuf.cc:
kern/tru64/printf.cc:
kern/tru64/tru64_events.cc:
kern/tru64/tru64_system.cc:
kern/tru64/tru64_system.hh:
sim/debug.cc:
sim/eventq.cc:
sim/eventq.hh:
sim/host.hh:
sim/main.cc:
sim/param.cc:
sim/param.hh:
sim/prog.cc:
sim/serialize.cc:
sim/serialize.hh:
sim/sim_events.cc:
sim/sim_object.cc:
sim/sim_time.cc:
sim/sim_time.hh:
sim/system.cc:
test/bitvectest.cc:
test/circletest.cc:
test/initest.cc:
test/lru_test.cc:
test/nmtest.cc:
test/offtest.cc:
test/sized_test.cc:
test/stattest.cc:
test/symtest.cc:
util/tap/tap.cc:
util/term/term.c:
formatting fixes
--HG--
extra : convert_revision : 01e6dbc9615c5d0e923502b8410a416c0434cdf6
59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
/*
|
|
* Copyright (c) 2003 The Regents of The University of Michigan
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met: redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer;
|
|
* redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution;
|
|
* neither the name of the copyright holders nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "base/intmath.hh"
|
|
|
|
int
|
|
PrevPrime(int n)
|
|
{
|
|
int decr;
|
|
|
|
// If the number is even, let's start with the previous odd number.
|
|
if (!(n & 1))
|
|
--n;
|
|
|
|
// Lets test for divisibility by 3. Then we will be able to easily
|
|
// avoid numbers that are divisible by 3 in the future.
|
|
decr = n % 3;
|
|
if (decr == 0) {
|
|
n -= 2;
|
|
decr = 2;
|
|
}
|
|
else if (decr == 1)
|
|
decr = 4;
|
|
|
|
for (;;) {
|
|
if (IsPrime(n))
|
|
return n;
|
|
n -= decr;
|
|
// Toggle between 2 and 4 to prevent trying numbers that are known
|
|
// to be divisible by 3.
|
|
decr = 6 - decr;
|
|
}
|
|
}
|