/usr/include/CLHEP/GenericFunctions/Airy.icc is in libclhep-dev 2.1.4.1-1.2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | // -*- C++ -*-
// $Id:
#include "gsl/gsl_sf_airy.h"
#include <cmath>
#include <signal.h>
#include <assert.h>
namespace Genfun {
FUNCTION_OBJECT_IMP(Airy)
inline
Airy::Airy(Type type):
_type(type)
{
}
inline
Airy::~Airy() {
}
inline
Airy::Airy(const Airy & right):
_type(right._type)
{
}
inline
double Airy::operator() (double x) const {
gsl_sf_result result;
if (_type==Ai) {
int status = gsl_sf_airy_Ai_e(x, GSL_PREC_DOUBLE, &result);
if (status!=0) {
std::cerr << "Warning, GSL function gsl_sf_airy_ai"
<< " return code" << status << std::endl;
raise(SIGFPE);
}
return result.val;
}
else if (_type==Bi) {
int status = gsl_sf_airy_Bi_e( x, GSL_PREC_DOUBLE, &result);
if (status!=0) {
std::cerr << "Warning, GSL function gsl_sf_airy_bi"
<< " return code" << status << std::endl;
raise(SIGFPE);
}
return result.val;
}
return result.val;
}
} // end namespace Genfun
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