math.h

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#pragma once
 
#include "definitions.h"
 
/* Support LLVM's libc++, which defines the float and long double overloads
 * in the top-level :: namespace in <math.h> when __cplusplus is set. These
 * clash with our definitions due to the exception declaration. */
#pragma push_macro("__cplusplus")
#undef __cplusplus
extern "C"
{
#include_next <math.h>
}
#pragma pop_macro("__cplusplus") // restore macro
 
#include <cmath>