| Geant4 Cross Reference |
1 /*
2 # <<BEGIN-copyright>>
3 # <<END-copyright>>
4 */
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <string.h>
8 #include <cmath>
9 /*
10 #include <unistd.h>
11 #include <ctype.h>
12 */
13
14 #include "MCGIDI_fromTOM.h"
15 #include "MCGIDI_misc.h"
16
17 #if defined __cplusplus
18 namespace GIDI {
19 using namespace GIDI;
20 #endif
21
22 static int MCGIDI_fromTOM_pdfOfXGivenW( statusMessageReporting *smr, ptwXYPoints *pdfXY, MCGIDI_pdfsOfXGivenW *dists, int i, double *norm );
23 /*
24 ************************************************************
25 */
26 int MCGIDI_fromTOM_pdfsOfXGivenW( statusMessageReporting *smr, xDataTOM_element *element, MCGIDI_pdfsOfXGivenW *dists, ptwXYPoints *norms,
27 char const *toUnits[3] ) {
28
29 int i;
30 double norm, wUnitFactor;
31 char const *wFromUnit, *toUnitsXY[2] = { toUnits[1], toUnits[2] };
32 xDataTOM_XYs *XYs;
33 xDataTOM_W_XYs *W_XYs;
34 ptwXYPoints *pdfXY = NULL;
35 ptwXY_interpolation interpolationXY, interpolationWY;
36
37 wFromUnit = xDataTOM_axes_getUnit( smr, &(element->xDataInfo.axes), 0 );
38 if( !smr_isOk( smr ) ) goto err;
39 wUnitFactor = MCGIDI_misc_getUnitConversionFactor( smr, wFromUnit, toUnits[0] );
40 if( !smr_isOk( smr ) ) goto err;
41
42 if( MCGIDI_fromTOM_interpolation( smr, element, 0, &interpolationWY ) ) goto err;
43 if( MCGIDI_fromTOM_interpolation( smr, element, 1, &interpolationXY ) ) goto err;
44 dists->interpolationWY = interpolationWY;
45 dists->interpolationXY = interpolationXY;
46 if( norms != NULL ) {
47 if( interpolationWY == ptwXY_interpolationOther ) {
48 smr_setReportError2p( smr, smr_unknownID, 1, "interpolationWY ptwXY_interpolationOther not supported" );
49 goto err;
50 }
51 }
52
53 W_XYs = (xDataTOM_W_XYs *) xDataTOME_getXDataIfID( smr, element, "W_XYs" );
54 if( ( dists->Ws = (double *) smr_malloc2( smr, W_XYs->length * sizeof( double ), 1, "dists->Ws" ) ) == NULL ) goto err;
55 if( ( dists->dist = (MCGIDI_pdfOfX *) smr_malloc2( smr, W_XYs->length * sizeof( MCGIDI_pdfOfX ), 0, "dists->dist" ) ) == NULL ) goto err;
56
57 for( i = 0; i < W_XYs->length; i++ ) {
58 XYs = &(W_XYs->XYs[i]);
59 dists->Ws[i] = wUnitFactor * XYs->value;
60 if( ( pdfXY = MCGIDI_misc_dataFromXYs2ptwXYPointsInUnitsOf( smr, XYs, interpolationXY, toUnitsXY ) ) == NULL ) goto err;
61 if( MCGIDI_fromTOM_pdfOfXGivenW( smr, pdfXY, dists, i, &norm ) ) goto err;
62 if( norms != NULL ) {
63 ptwXY_setValueAtX( norms, XYs->value, norm ); }
64 else if( std::fabs( 1. - norm ) > 0.99 ) {
65 smr_setReportError2( smr, smr_unknownID, 1, "bad norm = %e for data", norm );
66 goto err;
67 }
68 ptwXY_free( pdfXY );
69 pdfXY = NULL;
70 }
71
72 return( 0 );
73
74 err:
75 if( pdfXY != NULL ) ptwXY_free( pdfXY );
76 return( 1 );
77 }
78 /*
79 ************************************************************
80 */
81 static int MCGIDI_fromTOM_pdfOfXGivenW( statusMessageReporting *smr, ptwXYPoints *pdfXY, MCGIDI_pdfsOfXGivenW *dists, int i, double *norm ) {
82
83 if( MCGIDI_fromTOM_pdfOfX( smr, pdfXY, &(dists->dist[i]), norm ) ) return( 1 );
84 dists->numberOfWs++;
85 return( 0 );
86 }
87 /*
88 ************************************************************
89 */
90 int MCGIDI_fromTOM_pdfOfX( statusMessageReporting *smr, ptwXYPoints *pdfXY, MCGIDI_pdfOfX *dist, double *norm ) {
91
92 int j1, n1 = (int) ptwXY_length( pdfXY );
93 nfu_status status;
94 ptwXPoints *cdfX = NULL;
95 ptwXYPoint *point;
96
97 dist->numberOfXs = 0;
98 dist->Xs = NULL;
99 if( ptwXY_simpleCoalescePoints( pdfXY ) != nfu_Okay ) goto err;
100
101 if( ( dist->Xs = (double *) smr_malloc2( smr, 3 * n1 * sizeof( double ), 0, "dist->Xs" ) ) == NULL ) goto err;
102 dist->pdf = &(dist->Xs[n1]);
103 dist->cdf = &(dist->pdf[n1]);
104
105 for( j1 = 0; j1 < n1; j1++ ) {
106 point = ptwXY_getPointAtIndex_Unsafely( pdfXY, j1 );
107 dist->Xs[j1] = point->x;
108 dist->pdf[j1] = point->y;
109 }
110
111 if( ( cdfX = ptwXY_runningIntegral( pdfXY, &status ) ) == NULL ) {
112 smr_setReportError2( smr, smr_unknownID, 1, "ptwXY_runningIntegral err = %d: %s\n", status, nfu_statusMessage( status ) );
113 goto err;
114 }
115 *norm = ptwX_getPointAtIndex_Unsafely( cdfX, n1 - 1 );
116 if( *norm == 0. ) { /* Should only happend for gammas. */
117 double inv_norm, sum = 0;
118
119 inv_norm = 1.0 / ( dist->Xs[n1-1] - dist->Xs[0] );
120 for( j1 = 0; j1 < n1; ++j1 ) {
121 if( j1 > 0 ) sum += dist->Xs[j1] - dist->Xs[j1-1];
122 dist->pdf[j1] = 1;
123 dist->cdf[j1] = sum * inv_norm;
124 }
125 dist->cdf[n1-1] = 1.; }
126 else {
127 for( j1 = 0; j1 < n1; j1++ ) dist->cdf[j1] = ptwX_getPointAtIndex_Unsafely( cdfX, j1 ) / *norm;
128 for( j1 = 0; j1 < n1; j1++ ) dist->pdf[j1] /= *norm;
129 }
130 ptwX_free( cdfX );
131
132 dist->numberOfXs = n1;
133 return( 0 );
134
135 err:
136 if( dist->Xs != NULL ) smr_freeMemory( (void **) &(dist->Xs) );
137 if( cdfX != NULL ) ptwX_free( cdfX );
138 return( 1 );
139 }
140 /*
141 ************************************************************
142 */
143 int MCGIDI_fromTOM_interpolation( statusMessageReporting *smr, xDataTOM_element *element, int index, ptwXY_interpolation *interpolation ) {
144
145 enum xDataTOM_interpolationFlag independent, dependent;
146 enum xDataTOM_interpolationQualifier qualifier;
147
148 if( xDataTOME_getInterpolation( smr, element, index, &independent, &dependent, &qualifier ) ) return( 1 );
149
150 *interpolation = ptwXY_interpolationOther;
151
152 if( dependent == xDataTOM_interpolationFlag_flat ) {
153 *interpolation = ptwXY_interpolationFlat; }
154 else if( independent == xDataTOM_interpolationFlag_linear ) {
155 if( dependent == xDataTOM_interpolationFlag_linear ) {
156 *interpolation = ptwXY_interpolationLinLin; }
157 else if( dependent == xDataTOM_interpolationFlag_log ) {
158 *interpolation = ptwXY_interpolationLinLog;
159 } }
160 else if( independent == xDataTOM_interpolationFlag_log ) {
161 if( dependent == xDataTOM_interpolationFlag_linear ) {
162 *interpolation = ptwXY_interpolationLogLin; }
163 else if( dependent == xDataTOM_interpolationFlag_log ) {
164 *interpolation = ptwXY_interpolationLogLog;
165 }
166 }
167
168 return( 0 );
169 }
170
171 #if defined __cplusplus
172 }
173 #endif
174