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Correction to hexfloat hack.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@131340 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant 2011-05-14 14:33:56 +00:00
parent d515df2a50
commit e80c36e27b
1 changed files with 4 additions and 3 deletions
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7
test/hexfloat.h
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@ -24,11 +24,12 @@ class hexfloat
{ {
T value_; T value_;
public: 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; const std::size_t n = sizeof(unsigned long long) * CHAR_BIT;
value_ = std::ldexp(m1 + std::ldexp(T(m0), -static_cast<int>(n - int s = m1 < 0 ? -1 : 1;
std::__clz(m0))), exp); value_ = std::ldexp(m1 + s * std::ldexp(T(m0), -static_cast<int>(n -
std::__clz(m0)/4*4)), exp);
} }
operator T() const {return value_;} operator T() const {return value_;}