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authorJoseph Myers <joseph@codesourcery.com>2012-03-02 15:32:56 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-03-02 15:32:56 +0000
commita6d06d7b86f724046b462115556d0df682f9f703 (patch)
tree640870a7d978c8a224fe317e862b65fddba6f40e /math
parent07e12bb391ae84eb74817d42feda42cff7f687e5 (diff)
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Fix scalbn, scalbln integer overflow.
Diffstat (limited to 'math')
-rw-r--r--math/libm-test.inc38
1 files changed, 38 insertions, 0 deletions
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 5bc0d40872..ef7a253662 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -5790,6 +5790,15 @@ scalbn_test (void)
TEST_fi_f (scalbn, 1, 0L, 1);
+ TEST_fi_f (scalbn, 1, INT_MAX, plus_infty);
+ TEST_fi_f (scalbn, 1, INT_MIN, plus_zero);
+ TEST_fi_f (scalbn, max_value, INT_MAX, plus_infty);
+ TEST_fi_f (scalbn, max_value, INT_MIN, plus_zero);
+ TEST_fi_f (scalbn, min_value, INT_MAX, plus_infty);
+ TEST_fi_f (scalbn, min_value, INT_MIN, plus_zero);
+ TEST_fi_f (scalbn, min_value / 4, INT_MAX, plus_infty);
+ TEST_fi_f (scalbn, min_value / 4, INT_MIN, plus_zero);
+
END (scalbn);
}
@@ -5812,6 +5821,35 @@ scalbln_test (void)
TEST_fl_f (scalbln, 1, 0L, 1);
+ TEST_fi_f (scalbln, 1, INT_MAX, plus_infty);
+ TEST_fi_f (scalbln, 1, INT_MIN, plus_zero);
+ TEST_fi_f (scalbln, max_value, INT_MAX, plus_infty);
+ TEST_fi_f (scalbln, max_value, INT_MIN, plus_zero);
+ TEST_fi_f (scalbln, min_value, INT_MAX, plus_infty);
+ TEST_fi_f (scalbln, min_value, INT_MIN, plus_zero);
+ TEST_fi_f (scalbln, min_value / 4, INT_MAX, plus_infty);
+ TEST_fi_f (scalbln, min_value / 4, INT_MIN, plus_zero);
+
+ TEST_fi_f (scalbln, 1, LONG_MAX, plus_infty);
+ TEST_fi_f (scalbln, 1, LONG_MIN, plus_zero);
+ TEST_fi_f (scalbln, max_value, LONG_MAX, plus_infty);
+ TEST_fi_f (scalbln, max_value, LONG_MIN, plus_zero);
+ TEST_fi_f (scalbln, min_value, LONG_MAX, plus_infty);
+ TEST_fi_f (scalbln, min_value, LONG_MIN, plus_zero);
+ TEST_fi_f (scalbln, min_value / 4, LONG_MAX, plus_infty);
+ TEST_fi_f (scalbln, min_value / 4, LONG_MIN, plus_zero);
+
+#if LONG_MAX >= 0x100000000
+ TEST_fi_f (scalbln, 1, 0x88000000L, plus_infty);
+ TEST_fi_f (scalbln, 1, -0x88000000L, plus_zero);
+ TEST_fi_f (scalbln, max_value, 0x88000000L, plus_infty);
+ TEST_fi_f (scalbln, max_value, -0x88000000L, plus_zero);
+ TEST_fi_f (scalbln, min_value, 0x88000000L, plus_infty);
+ TEST_fi_f (scalbln, min_value, -0x88000000L, plus_zero);
+ TEST_fi_f (scalbln, min_value / 4, 0x88000000L, plus_infty);
+ TEST_fi_f (scalbln, min_value / 4, -0x88000000L, plus_zero);
+#endif
+
END (scalbn);
}