diff options
Diffstat (limited to 'boost/spirit/home/qi/numeric/detail/real_impl.hpp')
| -rw-r--r-- | boost/spirit/home/qi/numeric/detail/real_impl.hpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/boost/spirit/home/qi/numeric/detail/real_impl.hpp b/boost/spirit/home/qi/numeric/detail/real_impl.hpp index 485df2727f..9aa5bb8bbd 100644 --- a/boost/spirit/home/qi/numeric/detail/real_impl.hpp +++ b/boost/spirit/home/qi/numeric/detail/real_impl.hpp @@ -32,7 +32,7 @@ namespace boost { namespace spirit { namespace traits { using spirit::traits::pow10; - + namespace detail { template <typename T, typename AccT> @@ -44,14 +44,14 @@ namespace boost { namespace spirit { namespace traits n = T((acc_n / comp) * comp); n += T(acc_n % comp); } - + template <typename T, typename AccT> void compensate_roundoff(T& n, AccT acc_n, mpl::false_) { // no need to compensate n = acc_n; } - + template <typename T, typename AccT> void compensate_roundoff(T& n, AccT acc_n) { @@ -66,7 +66,7 @@ namespace boost { namespace spirit { namespace traits if (exp >= 0) { int max_exp = std::numeric_limits<T>::max_exponent10; - + // return false if exp exceeds the max_exp // do this check only for primitive types! if (is_floating_point<T>() && exp > max_exp) @@ -80,7 +80,7 @@ namespace boost { namespace spirit { namespace traits int min_exp = std::numeric_limits<T>::min_exponent10; detail::compensate_roundoff(n, acc_n); n /= pow10<T>(-min_exp); - + // return false if (-exp + min_exp) exceeds the -min_exp // do this check only for primitive types! if (is_floating_point<T>() && (-exp + min_exp) > -min_exp) @@ -284,7 +284,8 @@ namespace boost { namespace spirit { namespace qi { namespace detail // If there is no number, disregard the exponent altogether. // by resetting 'first' prior to the exponent prefix (e|E) first = e_pos; - n = static_cast<T>(acc_n); + // Scale the number by -frac_digits. + traits::scale(-frac_digits, n, acc_n); } } else if (frac_digits) |