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Geant4/processes/hadronic/models/lend/src/ptwXY_functions.cc

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Diff markup

Differences between /processes/hadronic/models/lend/src/ptwXY_functions.cc (Version 11.3.0) and /processes/hadronic/models/lend/src/ptwXY_functions.cc (Version 10.0.p4)


  1 /*                                                  1 
  2 # <<BEGIN-copyright>>                             
  3 # <<END-copyright>>                               
  4 */                                                
  5                                                   
  6 #include <cmath>                                  
  7                                                   
  8 #include "ptwXY.h"                                
  9                                                   
 10 #if defined __cplusplus                           
 11 #include "G4Exp.hh"                               
 12 #include "G4Pow.hh"                               
 13 namespace GIDI {                                  
 14 using namespace GIDI;                             
 15 #endif                                            
 16                                                   
 17 static nfu_status ptwXY_pow_callback( ptwXYPoi    
 18 static nfu_status ptwXY_exp_s( ptwXYPoints *pt    
 19 static nfu_status ptwXY_convolution2( ptwXYPoi    
 20 static nfu_status ptwXY_convolution3( ptwXYPoi    
 21 /*                                                
 22 **********************************************    
 23 */                                                
 24 nfu_status ptwXY_pow( ptwXYPoints *ptwXY, doub    
 25                                                   
 26     return( ptwXY_applyFunction( ptwXY, ptwXY_    
 27 }                                                 
 28 /*                                                
 29 **********************************************    
 30 */                                                
 31 static nfu_status ptwXY_pow_callback( ptwXYPoi    
 32                                                   
 33     nfu_status status = nfu_Okay;                 
 34     double *v = (double *) argList;               
 35                                                   
 36     point->y = G4Pow::GetInstance()->powA( poi    
 37     /* ???? Need to test for valid y-value. */    
 38     return( status );                             
 39 }                                                 
 40 /*                                                
 41 **********************************************    
 42 */                                                
 43 nfu_status ptwXY_exp( ptwXYPoints *ptwXY, doub    
 44                                                   
 45     int64_t i, length;                            
 46     nfu_status status;                            
 47     double x1, y1, z1, x2, y2, z2;                
 48                                                   
 49     length = ptwXY->length;                       
 50     if( length < 1 ) return( ptwXY->status );     
 51     if( ptwXY->interpolation == ptwXY_interpol    
 52     if( ptwXY->interpolation == ptwXY_interpol    
 53                                                   
 54     if( ( status = ptwXY_simpleCoalescePoints(    
 55     x2 = ptwXY->points[length-1].x;               
 56     y2 = a * ptwXY->points[length-1].y;           
 57     z2 = ptwXY->points[length-1].y = G4Exp( y2    
 58     for( i = length - 2; i >= 0; i-- ) {          
 59         x1 = ptwXY->points[i].x;                  
 60         y1 = a * ptwXY->points[i].y;              
 61         z1 = ptwXY->points[i].y = G4Exp( y1 );    
 62         if( ( status = ptwXY_exp_s( ptwXY, x1,    
 63         x2 = x1;                                  
 64         y2 = y1;                                  
 65     }                                             
 66     return( status );                             
 67 }                                                 
 68 /*                                                
 69 **********************************************    
 70 */                                                
 71 static nfu_status ptwXY_exp_s( ptwXYPoints *pt    
 72                                                   
 73     nfu_status status;                            
 74     double x, y, dx, dy, z, zp, s;                
 75                                                   
 76     if( ( x1 == x2 ) || ( y1 == y2 ) ) return(    
 77     if( level >= ptwXY->biSectionMax ) return(    
 78     level++;                                      
 79     dx = x2 - x1;                                 
 80     dy = y2 - y1;                                 
 81     s = dy / dx;                                  
 82     x = 1. / s + x2 - z2 * dx / ( z2 - z1 );      
 83     y = ( y1 * ( x2 - x ) + y2 * ( x - x1 ) )     
 84     z = z1 * G4Exp( 1 - dy / ( G4Exp( dy ) - 1    
 85     zp = ( z2 - z1 ) / ( y2 - y1 );               
 86                                                   
 87     if( std::fabs( z - zp ) < std::fabs( z * p    
 88     if( ( status = ptwXY_setValueAtX( ptwXY, x    
 89     if( ( status = ptwXY_exp_s( ptwXY, x, y, z    
 90     if( ( status = ptwXY_exp_s( ptwXY, x1, y1,    
 91     return( status );                             
 92 }                                                 
 93 /*                                                
 94 **********************************************    
 95 */                                                
 96 ptwXYPoints *ptwXY_convolution( ptwXYPoints *p    
 97 /*                                                
 98 *   Currently, only supports linear-linear int    
 99 *                                                 
100 *   This function calculates        c(y) = int    
101 *                                                 
102 */                                                
103     int64_t i1, i2, n1, n2, n;                    
104     ptwXYPoints *f1 = ptwXY1, *f2 = ptwXY2, *c    
105     double accuracy = ptwXY1->accuracy, yMin,     
106                                                   
107     if( ( *status = ptwXY_simpleCoalescePoints    
108     if( ( *status = ptwXY_simpleCoalescePoints    
109                                                   
110     *status = nfu_unsupportedInterpolation;       
111     if( ( ptwXY1->interpolation != ptwXY_inter    
112     *status = nfu_Okay;                           
113                                                   
114     n1 = f1->length;                              
115     n2 = f2->length;                              
116                                                   
117     if( ( n1 == 0 ) || ( n2 == 0 ) ) {            
118         convolute = ptwXY_new( ptwXY_interpola    
119         return( convolute );                      
120     }                                             
121                                                   
122     if( ( n1 == 1 ) || ( n2 == 1 ) ) {            
123         *status = nfu_tooFewPoints;               
124         return( NULL );                           
125     }                                             
126                                                   
127     if( accuracy < ptwXY2->accuracy ) accuracy    
128     n = n1 * n2;                                  
129     if( mode == 0 ) {                             
130         mode = 1;                                 
131         if( n > 1000 ) mode = -1;                 
132     }                                             
133     if( n > 100000 ) mode = -1;                   
134     if( ( convolute = ptwXY_new( ptwXY_interpo    
135                                                   
136     yMin = f1->points[0].x + f2->points[0].x;     
137     yMax = f1->points[n1 - 1].x + f2->points[n    
138                                                   
139     if( ( *status = ptwXY_setValueAtX( convolu    
140                                                   
141     if( mode < 0 ) {                              
142         dy = ( yMax - yMin ) / 400;               
143         for( y = yMin + dy; y < yMax; y += dy     
144             if( ( *status = ptwXY_convolution2    
145             if( ( *status = ptwXY_setValueAtX(    
146         } }                                       
147     else {                                        
148         for( i1 = 0; i1 < n1; i1++ ) {            
149             for( i2 = 0; i2 < n2; i2++ ) {        
150                 y = yMin + ( f1->points[i1].x     
151                 if( y <= yMin ) continue;         
152                 if( y >= yMax ) continue;         
153                 if( ( *status = ptwXY_convolut    
154                 if( ( *status = ptwXY_setValue    
155             }                                     
156         }                                         
157     }                                             
158     if( ( *status = ptwXY_setValueAtX( convolu    
159     if( ( *status = ptwXY_simpleCoalescePoints    
160     for( i1 = convolute->length - 1; i1 > 0; i    
161         if( ( *status = ptwXY_convolution3( co    
162             convolute->points[i1].x, convolute    
163     }                                             
164                                                   
165     return( convolute );                          
166                                                   
167 Err:                                              
168     ptwXY_free( convolute );                      
169     return( NULL );                               
170 }                                                 
171 /*                                                
172 **********************************************    
173 */                                                
174 static nfu_status ptwXY_convolution2( ptwXYPoi    
175                                                   
176     int64_t i1 = 0, i2 = 0, n1 = f1->length, n    
177     double dx1, dx2, x1MinP, x1Min, x2Max;        
178     double f1x1 = 0,  f1y1 = 0,  f1x2 = 0,  f1    
179     double f1x1p, f1y1p, f1x2p, f1y2p, f2x1p,     
180     ptwXY_lessEqualGreaterX legx;                 
181     ptwXYOverflowPoint lessThanEqualXPoint, gr    
182     nfu_status status;                            
183                                                   
184     x2Max = f2->points[0].x + ( y - yMin );       
185     if( x2Max > f2->points[n2 - 1].x ) x2Max =    
186     x1Min = f1->points[0].x;                      
187     x1MinP = y - f2->points[n2 - 1].x;            
188     if( x1Min < x1MinP ) x1Min = x1MinP;          
189     *c = 0.;                                      
190                                                   
191     switch( legx = ptwXY_getPointsAroundX( f1,    
192     case ptwXY_lessEqualGreaterX_empty :          
193     case ptwXY_lessEqualGreaterX_lessThan :       
194     case ptwXY_lessEqualGreaterX_greater :        
195         return( nfu_Okay );                       
196     case ptwXY_lessEqualGreaterX_equal :          
197     case ptwXY_lessEqualGreaterX_between :        
198         i1 = lessThanEqualXPoint.index;           
199         f1x1 = f1->points[i1].x;                  
200         f1y1p = f1y1 = f1->points[i1].y;          
201         i1++;                                     
202         if( i1 == n1 ) return( nfu_Okay );        
203         f1x2 = f1->points[i1].x;                  
204         f1y2 = f1->points[i1].y;                  
205         if( legx == ptwXY_lessEqualGreaterX_be    
206             if( ( status = ptwXY_interpolatePo    
207         }                                         
208         break;                                    
209     }                                             
210                                                   
211     switch( legx = ptwXY_getPointsAroundX( f2,    
212     case ptwXY_lessEqualGreaterX_empty :          
213     case ptwXY_lessEqualGreaterX_lessThan :       
214     case ptwXY_lessEqualGreaterX_greater :        
215         return( nfu_Okay );                       
216     case ptwXY_lessEqualGreaterX_equal :          
217     case ptwXY_lessEqualGreaterX_between :        
218         i2 = lessThanEqualXPoint.index;           
219         if( i2 < f2->length - 1 ) i2++;           
220         f2x2 = f2->points[i2].x;                  
221         f2y2p = f2y2 = f2->points[i2].y;          
222         i2--;                                     
223         f2x1 = f2->points[i2].x;                  
224         f2y1 = f2->points[i2].y;                  
225         if( legx == ptwXY_lessEqualGreaterX_be    
226             if( ( status = ptwXY_interpolatePo    
227         }                                         
228         break;                                    
229     }                                             
230                                                   
231     f1x1p = x1Min;                                
232     f2x2p = x2Max;                                
233     f1y2p = f1y2;                                 
234     f2y1p = f2y1;                                 
235     while( ( i1 < n1 ) && ( i2 >= 0 ) ) { // L    
236         dx1 = f1x2  - f1x1p;                      
237         dx2 = f2x2p - f2x1;                       
238         mode = 2;                                 
239         if( i1 < n1 ) {                           
240             if( dx1 < dx2 ) mode = 1;             
241         }                                         
242         if( mode == 1 ) {                         
243             f2x1p = f2x2p - dx1;                  
244             if( f2x1p < f2->points[i2].x ) {      
245                 f2x1p = f2x2;                     
246                 f2y1p = f2y2; }                   
247             else {                                
248                 if( ( status = ptwXY_interpola    
249             }                                     
250             *c += ( ( f1y1p + f1y2p ) * ( f2y1    
251             i1++;                                 
252             if( i1 == n1 ) break;                 
253             f1x1p = f1x1 = f1x2;                  
254             f1y1p = f1y1 = f1y2;                  
255             f1x2 = f1->points[i1].x;              
256             f1y2p = f1y2 = f1->points[i1].y;      
257             f2x2p = f2x1p;                        
258             f2y2p = f2y1p;                        
259             f2y1p = f2y1; }                       
260         else {                                    
261             f1x2p = f1x1p + dx2;                  
262             if( ( f1x2p > f1->points[i1].x ) |    
263                 f1x2p = f1x2;                     
264                 f1y2p = f1y2; }                   
265             else {                                
266                 if( ( status = ptwXY_interpola    
267             }                                     
268             *c += ( ( f1y1p + f1y2p ) * ( f2y1    
269             if( i2 == 0 ) break;                  
270             i2--;                                 
271             f2x2p = f2x2 = f2x1;                  
272             f2y2p = f2y2 = f2y1;                  
273             f2x1 = f2->points[i2].x;              
274             f2y1p = f2y1 = f2->points[i2].y;      
275             f1x1p = f1x2p;                        
276             if( dx1 == dx2 ) {                    
277                 f1x1p = f1x1 = f1x2;              
278                 f1y1p = f1y1 = f1y2;              
279                 i1++;                             
280                 f1x2 = f1->points[i1].x;          
281                 f1y2p = f1y2 = f1->points[i1].    
282             else {                                
283                 f1y1p = f1y2p;                    
284                 f1y2p = f1->points[i1].y;         
285             }                                     
286         }                                         
287     }                                             
288     *c /= 6.;                                     
289     return( nfu_Okay );                           
290 }                                                 
291 /*                                                
292 **********************************************    
293 */                                                
294 static nfu_status ptwXY_convolution3( ptwXYPoi    
295                                                   
296     nfu_status status;                            
297     double yMid = 0.5 * ( y1 + y2 ), cMid = 0.    
298                                                   
299     if( ( y2 - yMid ) <= 1e-5 * ( ptwXY_getXMa    
300     if( ( status = ptwXY_convolution2( f1, f2,    
301     if( std::fabs( c - cMid ) <= convolute->ac    
302     if( ( status = ptwXY_setValueAtX( convolut    
303     if( ( status = ptwXY_convolution3( convolu    
304     return( ptwXY_convolution3( convolute, f1,    
305 }                                                 
306                                                   
307 #if defined __cplusplus                           
308 }                                                 
309 #endif                                            
310