Commit 025fd322 authored by Dominik Charousset's avatar Dominik Charousset

Fix build on Linux

parent 08a459df
......@@ -91,7 +91,7 @@ void append(prometheus::char_buffer& buf, double val, Ts&&... xs) {
if (isnan(val)) {
append(buf, "NaN"_sv);
} else if (isinf(val)) {
if (signbit(val))
if (std::signbit(val))
append(buf, "+Inf"_sv);
else
append(buf, "-Inf"_sv);
......
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