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test for bad() and not for ! good()

This commit is contained in:
Andreas Fabri 2018-03-03 19:46:07 +00:00
parent f7ba8ff4df
commit 68e17df98c
1 changed files with 4 additions and 3 deletions
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7
Minkowski_sum_2/test/Minkowski_sum_2/test_exact_offset.cpp
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@ -82,11 +82,12 @@ int main (int argc, char **argv)
read_polygon (argv[i], pgn);
// Read the offset radius.
int numer, denom;
char c;
int numer=0, denom = 0;
std::istringstream iss(argv[i+1]);
char c;
iss >> numer >> c >> denom;
if (! iss.good())
if (iss.bad())
{
std::cerr << "Invalid radius: " << argv[i+1] << std::endl;
return (1);