Power-Programmierung/CD2.mdf/gnu/djgpp/libsrc/m/src/asinh.c

C/C++ Source or Header | 1992-09-20 | 115 b | 8 lines

#include <math.h>

double asinh(double x)
{
  return x>0 ? log(x + sqrt(x*x + 1)) : -log(sqrt(x*x+1)-x);
}