summaryrefslogtreecommitdiff
path: root/src/base/random.cc
diff options
context:
space:
mode:
authorKevin Lim <ktlim@umich.edu>2006-11-10 12:44:15 -0500
committerKevin Lim <ktlim@umich.edu>2006-11-10 12:44:15 -0500
commitb5e68fb54677f601bb00c23af52db8fd6571301f (patch)
treedc3c17198ba4010d907ecd8cb7189aa7959948d4 /src/base/random.cc
parent264f9ce374ff4689fec3c32d8289fe76b0b65078 (diff)
parent9ef51f2dbaba88c10366d708f0ca872bb39064e4 (diff)
downloadgem5-b5e68fb54677f601bb00c23af52db8fd6571301f.tar.xz
Merge ktlim@zizzer:/bk/newmem
into zamp.eecs.umich.edu:/z/ktlim2/clean/o3-merge/newmem --HG-- extra : convert_revision : 0c2db1e1b5fdb91c1ac5705ab872a6bfb575a67a
Diffstat (limited to 'src/base/random.cc')
-rw-r--r--src/base/random.cc24
1 files changed, 22 insertions, 2 deletions
diff --git a/src/base/random.cc b/src/base/random.cc
index e135b55f5..82c9e3566 100644
--- a/src/base/random.cc
+++ b/src/base/random.cc
@@ -32,6 +32,10 @@
#include <cstdlib>
#include <cmath>
+#if defined(__sun__)
+#include <ieeefp.h>
+#endif
+
#include "sim/param.hh"
#include "base/random.hh"
#include "base/trace.hh"
@@ -65,12 +69,27 @@ getLong()
return mrand48();
}
+double
+m5round(double r)
+{
+#if defined(__sun__)
+ double val;
+ fp_rnd oldrnd = fpsetround(FP_RN);
+ val = rint(r);
+ fpsetround(oldrnd);
+ return val;
+#else
+ return round(r);
+#endif
+}
+
int64_t
getUniform(int64_t min, int64_t max)
{
double r;
r = drand48() * (max-min) + min;
- return (int64_t)round(r);
+
+ return (int64_t)m5round(r);
}
uint64_t
@@ -78,7 +97,8 @@ getUniformPos(uint64_t min, uint64_t max)
{
double r;
r = drand48() * (max-min) + min;
- return (uint64_t)round(r);
+
+ return (uint64_t)m5round(r);
}