Correction to hexfloat hack.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@131340 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/hexfloat.h b/test/hexfloat.h
index 907de02..7ef0937 100644
--- a/test/hexfloat.h
+++ b/test/hexfloat.h
@@ -24,11 +24,12 @@
{
T value_;
public:
- hexfloat(unsigned long long m1, unsigned long long m0, int exp)
+ hexfloat(long long m1, unsigned long long m0, int exp)
{
const std::size_t n = sizeof(unsigned long long) * CHAR_BIT;
- value_ = std::ldexp(m1 + std::ldexp(T(m0), -static_cast<int>(n -
- std::__clz(m0))), exp);
+ int s = m1 < 0 ? -1 : 1;
+ value_ = std::ldexp(m1 + s * std::ldexp(T(m0), -static_cast<int>(n -
+ std::__clz(m0)/4*4)), exp);
}
operator T() const {return value_;}