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Add initial __float128 support

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This commit is contained in:
Victor Zverovich
2022-03-14 17:00:21 -07:00
parent b6b003b073
commit a204b8dde7
2 changed files with 47 additions and 23 deletions
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21
test/format-test.cc
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@@ -66,6 +66,27 @@ TEST(uint128_test, minus) {
EXPECT_EQ(n - 2, 40);
}
template <typename Float> void check_isfinite() {
using fmt::detail::isfinite;
EXPECT_TRUE(isfinite(Float(0.0)));
EXPECT_TRUE(isfinite(Float(42.0)));
EXPECT_TRUE(isfinite(Float(-42.0)));
EXPECT_TRUE(isfinite(Float(fmt::detail::max_value<double>())));
// Use double because std::numeric_limits is broken for __float128.
using limits = std::numeric_limits<double>;
EXPECT_FALSE(isfinite(Float(limits::infinity())));
EXPECT_FALSE(isfinite(Float(-limits::infinity())));
EXPECT_FALSE(isfinite(Float(limits::quiet_NaN())));
EXPECT_FALSE(isfinite(Float(-limits::quiet_NaN())));
}
TEST(float_test, isfinite) {
check_isfinite<double>();
#ifdef __SIZEOF_FLOAT128__
check_isfinite<fmt::detail::float128>();
#endif
}
struct uint32_pair {
uint32_t u[2];
};