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Print the sign of negative infinity 

Differential Revision: https://reviews.llvm.org/D111917
This commit is contained in:
Logan Chien 2021-10-15 17:43:25 -07:00
parent 4cd6dc5adb
commit 9eb71608ee
2 changed files with 3 additions and 1 deletions
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2
llvm/lib/Support/NativeFormatting.cpp
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@ -168,7 +168,7 @@ void llvm::write_double(raw_ostream &S, double N, FloatStyle Style,
S << "nan";
return;
} else if (std::isinf(N)) {
S << "INF";
S << (std::signbit(N) ? "-INF" : "INF");
return;
}

2
llvm/unittests/Support/NativeFormatTests.cpp
View File

@ -125,6 +125,8 @@ TEST(NativeFormatTest, BoundaryTests) {
FloatStyle::Fixed));
EXPECT_EQ("INF", format_number(std::numeric_limits<double>::infinity(),
FloatStyle::Fixed));
EXPECT_EQ("-INF", format_number(-std::numeric_limits<double>::infinity(),
FloatStyle::Fixed));
}
TEST(NativeFormatTest, HexTests) {