diff options
Diffstat (limited to 'lib/Support/APInt.cpp')
| -rw-r--r-- | lib/Support/APInt.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp index 50025d214bcb..1341d214370f 100644 --- a/lib/Support/APInt.cpp +++ b/lib/Support/APInt.cpp @@ -1382,13 +1382,12 @@ APInt APInt::sqrt() const { // libc sqrt function which will probably use a hardware sqrt computation. // This should be faster than the algorithm below. if (magnitude < 52) { -#if defined( _MSC_VER ) || defined(_MINIX) - // Amazingly, VC++ and Minix don't have round(). +#if HAVE_ROUND return APInt(BitWidth, - uint64_t(::sqrt(double(isSingleWord()?VAL:pVal[0]))) + 0.5); + uint64_t(::round(::sqrt(double(isSingleWord()?VAL:pVal[0]))))); #else return APInt(BitWidth, - uint64_t(::round(::sqrt(double(isSingleWord()?VAL:pVal[0]))))); + uint64_t(::sqrt(double(isSingleWord()?VAL:pVal[0]))) + 0.5); #endif } |