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-rw-r--r--tests/tsum.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/tests/tsum.c b/tests/tsum.c
index 963a0bdc8..1bfcd498b 100644
--- a/tests/tsum.c
+++ b/tests/tsum.c
@@ -20,8 +20,8 @@ along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see
http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
-/* TODO: Add tests with intermediate overflows and tests with underflows
- (this matters here as we don't have subnormals). */
+/* TODO: Add tests with underflows (this matters here as we don't have
+ subnormals). */
#include "mpfr-test.h"
@@ -873,6 +873,10 @@ check_overflow (void)
for (i = 0; i < 2 * NOVFL; i++)
t[i] = i < NOVFL ? x : y;
+ /* Two kinds of test:
+ * i = 1: overflow.
+ * i = 2: intermediate overflow (exact sum is 0).
+ */
for (i = 1; i <= 2; i++)
RND_LOOP(r)
{