// This code is Public Domain. Use, modify, and redistribute at will.
// ----------------------------------------------------------------------------
-// ----------------------------------------------------------------------------
-// C++
-
-float acosh( float x ) { /* TODO */ };
-long double acosh( long double x ) { /* TODO */ };
-
-// ----------------------------------------------------------------------------
-// Standard C
-
double acosh( double x ) { /* TODO */ };
float acoshf( float x ) { /* TODO */ };
long double acoshl( long double x ) { /* TODO */ };