/** @file inifcns.h
 *
 *  Interface to GiNaC's initially known functions. */

#ifndef _INIFCNS_H_
#define _INIFCNS_H_

#include "numeric.h"
#include "function.h"

/** Sine. */
DECLARE_FUNCTION_1P(sin)

/** Cosine. */
DECLARE_FUNCTION_1P(cos)

/** Tangent. */
DECLARE_FUNCTION_1P(tan)

/** Exponential function. */
DECLARE_FUNCTION_1P(exp)

/** Natural logarithm. */
DECLARE_FUNCTION_1P(log)

/** Inverse sine (arc sine). */
DECLARE_FUNCTION_1P(asin)

/** Inverse cosine (arc cosine). */
DECLARE_FUNCTION_1P(acos)

/** Inverse tangent (arc tangent). */
DECLARE_FUNCTION_1P(atan)

/** Inverse tangent with two arguments. */
DECLARE_FUNCTION_2P(atan2)

/** Hyperbolic Sine. */
DECLARE_FUNCTION_1P(sinh)

/** Hyperbolic Cosine. */
DECLARE_FUNCTION_1P(cosh)

/** Hyperbolic Tangent. */
DECLARE_FUNCTION_1P(tanh)

/** Inverse hyperbolic Sine (area hyperbolic sine). */
DECLARE_FUNCTION_1P(asinh)

/** Inverse hyperbolic Cosine (area hyperbolic cosine). */
DECLARE_FUNCTION_1P(acosh)

/** Inverse hyperbolic Tangent (area hyperbolic tangent). */
DECLARE_FUNCTION_1P(atanh)

/** Dilogarithm. */
DECLARE_FUNCTION_1P(Li2)

/** Trilogarithm. */
DECLARE_FUNCTION_1P(Li3)

/** Gamma function. */
DECLARE_FUNCTION_1P(gamma)

/** Factorial function. */
DECLARE_FUNCTION_1P(factorial)

/** Binomial function. */
DECLARE_FUNCTION_2P(binomial)

/** Order term function (for truncated power series). */
DECLARE_FUNCTION_1P(Order)

ex lsolve(ex eqns,ex symbols);

ex ncpower(ex basis, unsigned exponent);

inline bool is_order_function(ex const & e)
{
	return is_ex_the_function(e, Order);
}

#endif // ndef _INIFCNS_H_