Fix PR30323: numeric_limits<T>::max_digits10 when using 16 bit ints.

Summary: Also see https://llvm.org/bugs/show_bug.cgi?id=30323

Reviewers: mclow.lists

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D27566

llvm-svn: 289029

diff --git a/libcxx/include/limits b/libcxx/include/limits
index b066d74..4e67a7b 100644 (file)
--- a/libcxx/include/limits
+++ b/libcxx/include/limits
@@ -306,7 +306,7 @@ protected:
     static _LIBCPP_CONSTEXPR const bool is_signed = true;
     static _LIBCPP_CONSTEXPR const int  digits = __FLT_MANT_DIG__;
     static _LIBCPP_CONSTEXPR const int  digits10 = __FLT_DIG__;
-    static _LIBCPP_CONSTEXPR const int  max_digits10 = 2+(digits * 30103)/100000;
+    static _LIBCPP_CONSTEXPR const int  max_digits10 = 2+(digits * 30103l)/100000l;
     _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __FLT_MIN__;}
     _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __FLT_MAX__;}
     _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}
@@ -352,7 +352,7 @@ protected:
     static _LIBCPP_CONSTEXPR const bool is_signed = true;
     static _LIBCPP_CONSTEXPR const int  digits = __DBL_MANT_DIG__;
     static _LIBCPP_CONSTEXPR const int  digits10 = __DBL_DIG__;
-    static _LIBCPP_CONSTEXPR const int  max_digits10 = 2+(digits * 30103)/100000;
+    static _LIBCPP_CONSTEXPR const int  max_digits10 = 2+(digits * 30103l)/100000l;
     _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __DBL_MIN__;}
     _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __DBL_MAX__;}
     _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}
@@ -398,7 +398,7 @@ protected:
     static _LIBCPP_CONSTEXPR const bool is_signed = true;
     static _LIBCPP_CONSTEXPR const int  digits = __LDBL_MANT_DIG__;
     static _LIBCPP_CONSTEXPR const int  digits10 = __LDBL_DIG__;
-    static _LIBCPP_CONSTEXPR const int  max_digits10 = 2+(digits * 30103)/100000;
+    static _LIBCPP_CONSTEXPR const int  max_digits10 = 2+(digits * 30103l)/100000l;
     _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type min() _NOEXCEPT {return __LDBL_MIN__;}
     _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type max() _NOEXCEPT {return __LDBL_MAX__;}
     _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR type lowest() _NOEXCEPT {return -max();}