LibM: Add nan{f, l}

abyesilyurt · Mar 9, 2021 · b07310d · b07310d
1 parent efe4845
commit b07310d
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diff --git a/Userland/Libraries/LibM/math.cpp b/Userland/Libraries/LibM/math.cpp
@@ -303,6 +303,21 @@ static FloatT internal_copysign(FloatT x, FloatT y) NOEXCEPT
 
 extern "C" {
 
+float nanf(const char* s) NOEXCEPT
+{
+ return __builtin_nanf(s);
+}
+
+double nan(const char* s) NOEXCEPT
+{
+ return __builtin_nan(s);
+}
+
+long double nanl(const char* s) NOEXCEPT
+{
+ return __builtin_nanl(s);
+}
+
 double trunc(double x) NOEXCEPT
 {
  return internal_to_integer(x, RoundingMode::ToZero);

diff --git a/Userland/Libraries/LibM/math.h b/Userland/Libraries/LibM/math.h
@@ -77,6 +77,10 @@ __BEGIN_DECLS
 #define DOUBLE_MAX ((double)0b0111111111101111111111111111111111111111111111111111111111111111)
 #define DOUBLE_MIN ((double)0b0000000000010000000000000000000000000000000000000000000000000000)
 
+long double nanl(const char*) NOEXCEPT;
+double nan(const char*) NOEXCEPT;
+float nanf(const char*) NOEXCEPT;
+
 double acos(double) NOEXCEPT;
 float acosf(float) NOEXCEPT;
 double asin(double) NOEXCEPT;