Tan.cc

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// -*- C++ -*-
// $Id: Tan.cc,v 1.4 2003/10/10 17:40:39 garren Exp $
// ---------------------------------------------------------------------------
 
#include "CLHEP/GenericFunctions/Tan.hh"
#include "CLHEP/GenericFunctions/Cos.hh"
#include <assert.h>
#include <cmath>
 
namespace Genfun {
FUNCTION_OBJECT_IMP(Tan)
 
Tan::Tan()
{}
 
Tan::~Tan() {
}
 
Tan::Tan(const Tan & right) : AbsFunction(right)
{  }
 
 
double Tan::operator() (double x) const {
  return tan(x);
}
 
// don't generate warnings about unused parameter inside assert
#if defined __GNUC__ 
  #if __GNUC__ > 3 && __GNUC_MINOR__ > 6
    #pragma GCC diagnostic push
    #pragma GCC diagnostic ignored "-Wunused-parameter"
  #endif
#endif
#ifdef __clang__
  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Wunused-parameter"
#endif
Derivative Tan::partial(unsigned int index) const {
  assert(index==0);
  const AbsFunction & fPrime = 1.0/Cos()/Cos();
  return Derivative(& fPrime);
}
#if defined __GNUC__ 
  #if __GNUC__ > 3 && __GNUC_MINOR__ > 6
    #pragma GCC diagnostic pop
  #endif
#endif
#ifdef __clang__
  #pragma clang diagnostic pop
#endif
 
} // namespace Genfun