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Fix ISNAN macro in bessel.hpp for GCC C++17 compliance #414

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Fix ISNAN macro in bessel.hpp for GCC C++17 compliance #414

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2 changes: 1 addition & 1 deletion TMB/inst/include/tiny_ad/bessel/bessel.hpp
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Expand Up @@ -57,7 +57,7 @@ template<class T> int isnan(T x) { return std::isnan(asDouble(x)); }
#define ML_NEGINF R_NegInf
#define ML_NAN R_NaN
#define M_SQRT_2dPI 0.797884560802865355879892119869 /* sqrt(2/pi) */
#define ISNAN(x) (isnan(x)!=0)
#define ISNAN(x) (std::isnan(asDouble(x))!=0)

/* I got crashes with Eigen if not setting this: */
#define MATHLIB_STANDALONE 1
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