1#include <math-type-macros-float.h>
2#undef __USE_WRAPPER_TEMPLATE
3#define __USE_WRAPPER_TEMPLATE 1
4#undef declare_mgen_alias
5#define declare_mgen_alias(a, b)
6#include <w_exp2_template.c>
7versioned_symbol (libm, __exp2f, exp2f, GLIBC_2_27);
8libm_alias_float_other (__exp2, exp2)
9

source code of glibc/math/w_exp2f.c