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Make bfloat16(float(-nan)) produce -nan, not nan.

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This commit is contained in:
Tim Shen
2020-09-14 17:32:56 -07:00
parent 3012e755e9
commit bb56a62582
2 changed files with 13 additions and 2 deletions
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11
test/bfloat16_float.cpp
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@@ -230,6 +230,17 @@ void test_conversion()
VERIFY((numext::isnan)(bfloat16(__bfloat16_raw(0xffc0))));
VERIFY((numext::isinf)(bfloat16(__bfloat16_raw(0x7f80))));
VERIFY((numext::isnan)(bfloat16(__bfloat16_raw(0x7fc0))));
VERIFY_IS_EQUAL(bfloat16(BinaryToFloat(0x0, 0xff, 0x40, 0x0)).value, 0x7fc0);
VERIFY_IS_EQUAL(bfloat16(BinaryToFloat(0x1, 0xff, 0x40, 0x0)).value, 0xffc0);
VERIFY_IS_EQUAL(Eigen::bfloat16_impl::truncate_to_bfloat16(
BinaryToFloat(0x0, 0xff, 0x40, 0x0))
.value,
0x7fc0);
VERIFY_IS_EQUAL(Eigen::bfloat16_impl::truncate_to_bfloat16(
BinaryToFloat(0x1, 0xff, 0x40, 0x0))
.value,
0xffc0);
}
void test_numtraits()