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/*******************************************************************************
*
* McStas, neutron ray-tracing package
* Copyright 1997-2013, All rights reserved
* DTU Physics, Lyngby, Denmark
* Institut Laue Langevin, Grenoble, France
*
* Library: share/ESS_butterfly-lib.h
*
* %Identification
* Written by: PW
* Date: Nov 7, 2013
* Origin: DTU Physics
* Release: McStas 2.1
* Version: 0.1
*
* This file is to be imported by the ESS_moderator_long component
* It defines a set of brilliance definitions (used via function pointer) for
* easier use of the component.
*
* Usage: within SHARE
* %include "ESS_butterfly-lib"
*
*******************************************************************************/
#ifndef ESS_BUTTERFLY_LIB_H
#define ESS_BUTTERFLY_LIB_H 0.1
#ifndef ESS_SOURCE_DURATION
#define ESS_SOURCE_DURATION 2.857e-3
#endif
#ifndef ESS_SOURCE_FREQUENCY
#define ESS_SOURCE_FREQUENCY 14
#endif
#ifndef ESS_SOURCE_POWER
#define ESS_SOURCE_POWER 5
#endif
/* Struct for extra source parameters - for future geometrical adjustments */
struct ess_struct {
double X;
double Y;
double Z;
double height_t;
double height_c;
double Width_c;
double Width_t;
double Mwidth_c;
double Mwidth_t;
double tmultiplier;
double Radius_c;
double beamportangle;
int Uniform;
double extractionangle;
int Wasleft;
};
typedef struct ess_struct ess_moderator_struct;
typedef void (*functype)(double* t , double* p, double lambda, double tfocus_w, double tfocus_t, double tfocus_dt, ess_moderator_struct extras);
double ESS_2015_Schoenfeldt_cold_spectrum(double lambda,double theta);
double ESS_2015_Schoenfeldt_thermal_spectrum(double lambda, double theta);
/* List of brilliance definitions */
void ESS_2015_Schoenfeldt_cold(double *t, double *p, double lambda, double tfocus_w, double tfocus_t, double tfocus_dt, double height_t, double Mwidth_t, double height_c, double Mwidth_c, double tmultiplier, double beamportangle, double X, double Y);
void ESS_2015_Schoenfeldt_thermal(double *t, double *p, double lambda, double tfocus_w, double tfocus_t, double tfocus_dt, double height_t, double Mwidth_t, double height_c, double Mwidth_c, double tmultiplier, double beamportangle, double X, double Y);
/* List of pulse-shape definitions */
double ESS_2015_Schoenfeldt_cold_timedist(double t, double lambda, double height, double pulselength);
double ESS_2015_Schoenfeldt_thermal_timedist(double t, double lambda, double height, double pulselength);
/* List of moderator-geometry-weighting definitions */
double ESS_2014_Schoenfeldt_cold_y0(double y0,double height);
double ESS_2014_Schoenfeldt_cold_x0(double x0,double height, double width);
double ESS_2014_Schoenfeldt_thermal_y0(double y0,double height);
double ESS_2014_Schoenfeldt_thermal_x0(double x0,double height, double width);
double ESS_2015_Schoenfeldt_cold_y0(double y0);
double ESS_2015_Schoenfeldt_cold_x0(double x0, double theta, double width);
double ESS_2015_Schoenfeldt_thermal_y0(double y0);
double ESS_2015_Schoenfeldt_thermal_x0(double x0,double theta, double width);
double ESS_2015_Schoenfeldt_cold_Y(double x0,double height);
double ESS_2015_Schoenfeldt_thermal_Y(double y0,double height);
double ESS_2015_Schoenfeldt_cold_Theta120(double x0,double height);
double ESS_2015_Schoenfeldt_thermal_Theta120(double beamportangle,int isleft);
/* end of ESS_butterfly-lib.h */
#endif
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