nldbl-nexttoward.c

glibc 库, 不仅可以学习使用库函数,还可以学习函数的具体实现,是提高功力的好资料

#define nexttoward nexttoward_XXX
#define nexttowardl nexttowardl_XXX
#include "nldbl-compat.h"
#undef nexttoward
#undef nexttowardl

double
attribute_hidden
nexttoward (double x, double y)
{
  return nextafter (x, y);
}
extern __typeof (nexttoward) nexttowardl attribute_hidden;
strong_alias (nexttoward, nexttowardl)