diff options
Diffstat (limited to 'src/base/random.cc')
-rw-r--r-- | src/base/random.cc | 24 |
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); } |