| LDEXP(3) | Library Functions Manual | LDEXP(3) | 
ldexp, ldexpf,
  ldexpl —
#include <math.h>
double
  
  ldexp(double
    x, int exp);
float
  
  ldexpf(float
    x, int exp);
long double
  
  ldexpl(long
    double x, int
  exp);
ldexp() family of functions compute
for a real floating-point number x.
±HUGE_VAL,
      ±HUGE_VALF, or
      ±HUGE_VALL is returned, depending on the
      sign of x and the type of the return value.| March 17, 2016 | NetBSD 9.3 |