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