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Add static assertion to util/safe_arith.cpp

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Soonho Kong 2013-09-16 18:17:05 -07:00
parent 6ee14bf17f
commit 13401d534c
1 changed files with 2 additions and 0 deletions
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src/util/safe_arith.cpp
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@ -9,6 +9,8 @@ Author: Leonardo de Moura
namespace lean {
void check_int_overflow(long long n) {
static_assert(sizeof(long long) > sizeof(int),
"sizeof(long long) is not bigger than sizeof(int).");
if (n < std::numeric_limits<int>::min())
throw exception("integer underflow");
if (n > std::numeric_limits<int>::max())