//  /*-------------------------------------------------------------------*\
//  |   Concrete Instance : Math_Operations
//  |*-------------------------------------------------------------------*|
//  |   Description:
//  |
//  |   Global operations implementing mathematical functions
//  \*-------------------------------------------------------------------*/

#ifndef MATH_OPERATIONS_H
#define MATH_OPERATIONS_H 1


///------------------------------------------------------------------------
/// Interface -------------------------------------------------------------
///------------------------------------------------------------------------

// Common constants
    
extern const Real m_pi;
extern const Real m_e;

//-------------------------------------------------------------------------

// Limits

Character Minimum_Character ();
Character Maximum_Character ();
Integer Minimum_Integer ();
Integer Maximum_Integer ();
Real Minimum_Real ();
Real Maximum_Real ();

//-------------------------------------------------------------------------

// Trigonometric Functions

Real Sin (Real x);
Real Cos (Real x);
Real Tan (Real x);
Real Arc_Sin (Real x);
Real Arc_Cos (Real x);
Real Arc_Tan (Real x);

//-------------------------------------------------------------------------

// Hyperbolic Trigonometric Functions

Real Sinh (Real x);
Real Cosh (Real x);
Real Tanh (Real x);

//-------------------------------------------------------------------------

// Miscellaneous Functions

Integer Abs (Integer x);
Integer Sign (Real x);
Real Exp (Real x);
Real Power (Real x, Real y);
Real Ln (Real x);
Real Log (Real x);
Real Sqr (Real x);
Real Sqrt (Real x);
Real Ceiling (Real x);
Real Floor (Real x);
Real Abs (Real x);

//--------------------------------------------------------------------

// Character Functions

Boolean Is_Alpha (Character c);
Boolean Is_Lower (Character c);
Boolean Is_Upper (Character c);
Boolean Is_Digit (Character c);
Boolean Is_XDigit (Character c);
Boolean Is_Space (Character c);
Boolean Is_Control (Character c);
Boolean Is_Punctuation (Character c);
Boolean Is_Alphanumeric (Character c);
Boolean Is_Printable (Character c);
Boolean Is_Graphic (Character c);
Character To_Lower (Character c);
Character To_Upper (Character c);

//--------------------------------------------------------------------

#endif // MATH_OPERATIONS_H