/usr/include/getdata/polynomentry.h is in libgetdata-dev 0.9.0-2.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
///////////////////////////////////////////////////////////////////////////
//
// This file is part of the GetData project.
//
// GetData is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the
// Free Software Foundation; either version 2.1 of the License, or (at your
// option) any later version.
//
// GetData is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
// License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with GetData; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
//
#ifndef GETDATA_POLYNOMENTRY_H
#define GETDATA_POLYNOMENTRY_H
#include <getdata/entry.h>
namespace GetData {
class Dirfile;
class PolynomEntry : public Entry {
friend class Dirfile;
public:
PolynomEntry() : Entry() { E.field_type = GD_POLYNOM_ENTRY; };
PolynomEntry(const char* field_code, int poly_ord, const char* in_field,
double* a, int fragment_index = 0);
PolynomEntry(const char* field_code, int poly_ord, const char* in_field,
std::complex<double>* ca, int fragment_index = 0);
virtual const char *Input(int index = 0) const {
return (index == 0) ? E.in_fields[0] : NULL;
};
virtual int ComplexScalars() const {
return (E.flags & GD_EN_COMPSCAL) ? 1 : 0;
}
virtual int PolyOrd() const { return E.u.polynom.poly_ord; };
virtual double Coefficient(int index) const {
return (index >= 0 && index <= E.u.polynom.poly_ord) ?
E.u.polynom.a[index] : 0;
};
virtual std::complex<double> CCoefficient(int index) const {
return (index >= 0 && index <= E.u.polynom.poly_ord) ?
std::complex<double>(E.u.polynom.ca[index][0],
E.u.polynom.ca[index][1]) : 0;
};
virtual const char *Scalar(int index) const;
virtual int ScalarIndex(int index) const;
int SetPolyOrd(int poly_ord);
int SetInput(const char* field);
int SetCoefficient(double coeff, int index);
int SetCoefficient(const char* coeff, int index);
int SetCoefficient(std::complex<double> coeff, int index);
private:
PolynomEntry(const GetData::Dirfile *dirfile, const char* field_code) :
Entry(dirfile, field_code) { };
};
}
#endif
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