pollution: lgammaf_r
extern float lgammaf_r(float, int *) __attribute__((availability(macos,introduced=10.6))) __attribute__((availability(ios,introduced=3.1))); 

pollution: lgamma_r
extern double lgamma_r(double, int *) __attribute__((availability(macos,introduced=10.6))) __attribute__((availability(ios,introduced=3.1))); 

pollution: lgammal_r
extern long double lgammal_r(long double, int *) __attribute__((availability(macos,introduced=10.6))) __attribute__((availability(ios,introduced=3.1))); 

pollution: scalb
extern double scalb(double, double); 

pollution: MAXFLOAT
#define MAXFLOAT 0x1.fffffep+127f