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/*
* Copyright (C) 2000, Imperial College
*
* This file is part of the Imperial College Exact Real Arithmetic Library.
* See the copyright notice included in the distribution for conditions
* of use.
*/
#include <stdio.h>
#include "real.h"
/*
* These functions should probably be broken into separate files.
*/
/*
* sec x = 1 / (cos x)
*/
Real
sec_R(Real x)
{
return div_Int_R(1, cos_R(x));
}
Real
sec_QInt(int a, int b)
{
return div_Int_R(1, cos_QInt(a, b));
}
Real
sec_QZ(mpz_t a, mpz_t b)
{
return div_Int_R(1, cos_QZ(a, b));
}
/*
* asec x = acos (1/x)
*/
Real
asec_R(Real x)
{
return acos_R(div_Int_R(1, x));
}
Real
asec_QInt(int a, int b)
{
return acos_QInt(b, a);
}
Real
asec_QZ(mpz_t a, mpz_t b)
{
return acos_QZ(b, a);
}
/*
* sech x = 1 / (cosh x)
*/
Real
sech_R(Real x)
{
return div_Int_R(1, cosh_R(x));
}
Real
sech_QInt(int a, int b)
{
return div_Int_R(1, cosh_QInt(a, b));
}
Real
sech_QZ(mpz_t a, mpz_t b)
{
return div_Int_R(1, cosh_QZ(a, b));
}
/*
* asech x = acosh (1/x)
*/
Real
asech_R(Real x)
{
return acosh_R(div_Int_R(1, x));
}
Real
asech_QInt(int a, int b)
{
return acosh_QInt(b, a);
}
Real
asech_QZ(mpz_t a, mpz_t b)
{
return acosh_QZ(b, a);
}
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