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f72b7291 | 1 | void testPDF(Double_t a = 208.) |
2 | { | |
3 | // Dynamically link some shared libs | |
4 | char parm[20][20]; | |
5 | Double_t val[20]; | |
6 | // | |
7 | // Initialization | |
8 | // | |
9 | printf("PDF initialized with: \n \n"); | |
10 | strncpy(parm[0], "NPTYPE\0", 20); | |
11 | val[0] = 1.; | |
12 | printf("%10s %13.3f \n", parm[0], val[0]); | |
13 | strncpy(parm[1], "NGROUP\0", 20); | |
14 | val[1] = 5.; | |
15 | printf("%10s %13.3f\n", parm[1], val[1]); | |
16 | strncpy(parm[2], "NSET\0", 20); | |
17 | val[2] = 12.; | |
18 | printf("%10s %13.3f\n", parm[2], val[2]); | |
19 | strncpy(parm[3], "TMAS\0", 20); | |
20 | val[3] = 175.; | |
21 | printf("%10s %13.3f\n", parm[3], val[3]); | |
22 | strncpy(parm[4], "NATYPE\0", 20); | |
23 | val[4] = 4.; | |
24 | printf("%10s %13.3f\n", parm[4], val[4]); | |
25 | strncpy(parm[5], "NAGROUP\0", 20); | |
26 | val[5] = 0.; | |
27 | printf("%10s %13.3f\n", parm[5], val[5]); | |
28 | strncpy(parm[6], "NASET\0", 20); | |
29 | val[6] = 0.; | |
30 | printf("%10s %13.3f\n", parm[6]); | |
31 | AliStructFuncType::PdfSet(parm, val); | |
32 | // | |
33 | // Plots | |
34 | // | |
35 | // ================================================================ | |
36 | ||
37 | // | |
38 | TCanvas *c1 = new TCanvas("c1","Gluon PDF",400,10,600,700); | |
39 | TF1* f_gl_2 = new TF1("f_gl_2", pdf_gl, -6., 0., 2); | |
40 | f_gl_2->SetParameter(0,2); | |
41 | f_gl_2->SetParameter(1,a); | |
42 | f_gl_2->SetMaximum(1000.); | |
43 | f_gl_2->SetLineColor(1); | |
44 | f_gl_2->Draw(); | |
45 | ||
46 | TF1* f_gl_5 = new TF1("f_gl_5", pdf_gl, -6., 0., 2); | |
47 | f_gl_5->SetParameter(0,5); | |
48 | f_gl_5->SetParameter(1,a); | |
49 | f_gl_5->SetLineColor(2); | |
50 | f_gl_5->Draw("Same"); | |
51 | ||
52 | TF1* f_gl_10 = new TF1("f_gl_10", pdf_gl, -6., 0., 2); | |
53 | f_gl_10->SetParameter(0,10); | |
54 | f_gl_10->SetParameter(1,a); | |
55 | f_gl_10->SetLineColor(3); | |
56 | f_gl_10->Draw("Same"); | |
57 | ||
58 | TF1* f_gl_50 = new TF1("f_gl_50", pdf_gl, -6., 0., 2); | |
59 | f_gl_50->SetParameter(0,50); | |
60 | f_gl_50->SetParameter(1,a); | |
61 | f_gl_50->SetLineColor(4); | |
62 | f_gl_50->Draw("Same"); | |
63 | ||
64 | // ================================================================ | |
65 | // Gluon Modification | |
66 | // | |
67 | TCanvas *c2 = new TCanvas("c2","Gluon PDF Nucl. Mod.",400,10,600,700); | |
68 | ||
69 | TF1* fmod_gl_2 = new TF1("fmod_gl_2", mod_gl, -6., 0., 2); | |
70 | fmod_gl_2->SetParameter(0,2.); | |
71 | fmod_gl_2->SetParameter(1,a); | |
72 | fmod_gl_2->SetMaximum(1.5); | |
73 | fmod_gl_2->SetLineColor(1); | |
74 | fmod_gl_2->Draw(); | |
75 | fmod_gl_2->GetHistogram()->SetXTitle("log(x)"); | |
76 | fmod_gl_2->GetHistogram()->SetYTitle("F^{g}_{A}/F^{g}_{p}"); | |
77 | ||
78 | TF1* fmod_gl_5 = new TF1("fmod_gl_5", mod_gl, -6., 0., 2); | |
79 | fmod_gl_5->SetParameter(0,5.); | |
80 | fmod_gl_5->SetParameter(1,a); | |
81 | fmod_gl_5->SetLineColor(2); | |
82 | fmod_gl_5->Draw("Same"); | |
83 | ||
84 | TF1* fmod_gl_10 = new TF1("fmod_gl_10", mod_gl, -6., 0., 2); | |
85 | fmod_gl_10->SetParameter(0,10.); | |
86 | fmod_gl_10->SetParameter(1,a); | |
87 | fmod_gl_10->SetLineColor(3); | |
88 | fmod_gl_10->Draw("Same"); | |
89 | ||
90 | TF1* fmod_gl_50 = new TF1("fmod_gl_50", mod_gl, -6., 0., 2); | |
91 | fmod_gl_50->SetParameter(0,50.); | |
92 | fmod_gl_50->SetParameter(1,a); | |
93 | fmod_gl_50->SetLineColor(4); | |
94 | fmod_gl_50->Draw("Same"); | |
95 | label(); | |
96 | ||
97 | ||
98 | // ================================================================= | |
99 | // Sea Quark Modification | |
100 | // | |
101 | TCanvas *c3 = new TCanvas("c3","Sea Quark PDF Nucl. Mod.",400,10,600,700); | |
102 | TF1* fmod_sq_2 = new TF1("fmod_sq_2", mod_sq, -6., 0., 2); | |
103 | fmod_sq_2->SetParameter(0,2.); | |
104 | fmod_sq_2->SetParameter(1,a); | |
105 | fmod_sq_2->SetMaximum(1.5); | |
106 | fmod_sq_2->SetLineColor(1); | |
107 | fmod_sq_2->Draw(); | |
108 | fmod_sq_2->GetHistogram()->SetXTitle("log(x)"); | |
109 | fmod_sq_2->GetHistogram()->SetYTitle("F^{sea q}_{A}/F^{sea q}_{p}"); | |
110 | ||
111 | TF1* fmod_sq_5 = new TF1("fmod_sq_5", mod_sq, -6., 0., 2); | |
112 | fmod_sq_5->SetParameter(0,5.); | |
113 | fmod_sq_5->SetParameter(1,a); | |
114 | fmod_sq_5->SetLineColor(2); | |
115 | fmod_sq_5->Draw("Same"); | |
116 | ||
117 | TF1* fmod_sq_10 = new TF1("fmod_sq_10", mod_sq, -6., 0., 2); | |
118 | fmod_sq_10->SetParameter(0,10.); | |
119 | fmod_sq_10->SetParameter(1,a); | |
120 | fmod_sq_10->SetLineColor(3); | |
121 | fmod_sq_10->Draw("Same"); | |
122 | ||
123 | TF1* fmod_sq_50 = new TF1("fmod_sq_50", mod_sq, -6., 0., 2); | |
124 | fmod_sq_50->SetParameter(0,50.); | |
125 | fmod_sq_50->SetParameter(1,a); | |
126 | fmod_sq_50->SetLineColor(4); | |
127 | fmod_sq_50->Draw("Same"); | |
128 | label(); | |
129 | ||
130 | // ================================================================= | |
131 | // Valence Quark Modification | |
132 | // | |
133 | TCanvas *c4 = new TCanvas("c4","Valence Quark PDF Nucl. Mod.", | |
134 | 400,10,600,700); | |
135 | TF1* fmod_vq_2 = new TF1("fmod_vq_2", mod_vq, -6., 0., 2); | |
136 | fmod_vq_2->SetParameter(0,2.); | |
137 | fmod_vq_2->SetParameter(1,a); | |
138 | fmod_vq_2->SetMaximum(1.5); | |
139 | fmod_vq_2->SetLineColor(1); | |
140 | fmod_vq_2->Draw(); | |
141 | fmod_vq_2->GetHistogram()->SetXTitle("log(x)"); | |
142 | fmod_vq_2->GetHistogram()->SetYTitle("F^{val q}_{A}/F^{val q}_{p}"); | |
143 | ||
144 | TF1* fmod_vq_5 = new TF1("fmod_vq_5", mod_vq, -6., 0., 2); | |
145 | fmod_vq_5->SetParameter(0,5.); | |
146 | fmod_vq_5->SetParameter(1,a); | |
147 | fmod_vq_5->SetLineColor(2); | |
148 | fmod_vq_5->SetMaximum(1.5); | |
149 | fmod_vq_5->Draw("Same"); | |
150 | ||
151 | TF1* fmod_vq_10 = new TF1("fmod_vq_10", mod_vq, -6., 0., 2); | |
152 | fmod_vq_10->SetParameter(0,10.); | |
153 | fmod_vq_10->SetParameter(1,a); | |
154 | fmod_vq_10->SetLineColor(3); | |
155 | fmod_vq_10->SetMaximum(1.5); | |
156 | fmod_vq_10->Draw("Same"); | |
157 | ||
158 | TF1* fmod_vq_50 = new TF1("fmod_vq_50", mod_vq, -6., 0., 2); | |
159 | fmod_vq_50->SetParameter(0,50.); | |
160 | fmod_vq_50->SetParameter(1,a); | |
161 | fmod_vq_50->SetLineColor(4); | |
162 | fmod_vq_50->SetMaximum(1.5); | |
163 | fmod_vq_50->Draw("Same"); | |
164 | label(); | |
165 | ||
166 | } | |
167 | ||
168 | ||
169 | Double_t pdf_gl(Double_t* x, Double_t* par) | |
170 | { | |
171 | Double_t xx = TMath::Power(10.,x[0]); | |
172 | Double_t y; | |
173 | Double_t upv, dnv, usea, dsea, str, chm, bot, top, gl; | |
174 | Double_t q = par[0]; | |
175 | Double_t a = par[1]; | |
176 | ||
177 | AliStructFuncType::StructA(xx, q, a, upv, dnv, usea, | |
178 | dsea, str, chm, bot, top, gl); | |
179 | ||
180 | y = gl; | |
181 | ||
182 | return y; | |
183 | } | |
184 | ||
185 | Double_t mod_gl(Double_t* x, Double_t* par) | |
186 | { | |
187 | Double_t xx = TMath::Power(10.,x[0]); | |
188 | Double_t y; | |
189 | Double_t upv, dnv, usea, dsea, str, chm, bot, top, gl; | |
190 | Double_t q = par[0]; | |
191 | Double_t a = par[1]; | |
192 | ||
193 | AliStructFuncType::StructA(xx, q, a, upv, dnv, usea, | |
194 | dsea, str, chm, bot, top, gl); | |
195 | ||
196 | Double_t y1 = gl; | |
197 | ||
198 | AliStructFuncType::StructA(xx, q, 1., upv, dnv, usea, | |
199 | dsea, str, chm, bot, top, gl); | |
200 | ||
201 | return y1/gl; | |
202 | } | |
203 | ||
204 | Double_t mod_sq(Double_t* x, Double_t* par) | |
205 | { | |
206 | Double_t xx = TMath::Power(10.,x[0]); | |
207 | Double_t y; | |
208 | Double_t upv, dnv, usea, dsea, str, chm, bot, top, gl; | |
209 | Double_t q = par[0]; | |
210 | Double_t a = par[1]; | |
211 | ||
212 | AliStructFuncType::StructA(xx, q, a, upv, dnv, usea, | |
213 | dsea, str, chm, bot, top, gl); | |
214 | ||
215 | Double_t y1 = usea+dsea; | |
216 | ||
217 | AliStructFuncType::StructA(xx, q, 1., upv, dnv, usea, | |
218 | dsea, str, chm, bot, top, gl); | |
219 | ||
220 | return y1/(usea+dsea); | |
221 | } | |
222 | ||
223 | ||
224 | Double_t mod_vq(Double_t* x, Double_t* par) | |
225 | { | |
226 | Double_t xx = TMath::Power(10.,x[0]); | |
227 | Double_t y; | |
228 | Double_t upv, dnv, usea, dsea, str, chm, bot, top, gl; | |
229 | Double_t q = par[0]; | |
230 | Double_t a = par[1]; | |
231 | ||
232 | AliStructFuncType::StructA(xx, q, a, upv, dnv, usea, | |
233 | dsea, str, chm, bot, top, gl); | |
234 | ||
235 | Double_t y1 = upv+dnv; | |
236 | ||
237 | AliStructFuncType::StructA(xx, q, 1., upv, dnv, usea, | |
238 | dsea, str, chm, bot, top, gl); | |
239 | ||
240 | return y1/(upv+dnv); | |
241 | } | |
242 | ||
243 | ||
244 | void label() | |
245 | { | |
246 | TLine *line = new TLine(-5.7,1.4,-5.2,1.4); | |
247 | line->SetLineColor(1); | |
248 | line->SetLineWidth(3); | |
249 | line->Draw(); | |
250 | tex = new TLatex(-5.1, 1.38,"Q = 2 GeV"); | |
251 | tex->SetTextSize(0.04); | |
252 | tex->SetLineWidth(2); | |
253 | tex->Draw(); | |
254 | ||
255 | TLine *line = new TLine(-5.7,1.3,-5.2,1.3); | |
256 | line->SetLineColor(2); | |
257 | line->SetLineWidth(3); | |
258 | line->Draw(); | |
259 | tex = new TLatex(-5.1, 1.28,"Q = 5 GeV"); | |
260 | tex->SetTextSize(0.04); | |
261 | tex->SetLineWidth(2); | |
262 | tex->Draw(); | |
263 | ||
264 | ||
265 | TLine *line = new TLine(-5.7,1.2,-5.2,1.2); | |
266 | line->SetLineColor(3); | |
267 | line->SetLineWidth(3); | |
268 | line->Draw(); | |
269 | tex = new TLatex(-5.1, 1.18,"Q = 10 GeV"); | |
270 | tex->SetTextSize(0.04); | |
271 | tex->SetLineWidth(2); | |
272 | tex->Draw(); | |
273 | ||
274 | ||
275 | TLine *line = new TLine(-5.7,1.1,-5.2,1.1); | |
276 | line->SetLineColor(4); | |
277 | line->SetLineWidth(3); | |
278 | line->Draw(); | |
279 | tex = new TLatex(-5.1, 1.08,"Q = 50 GeV"); | |
280 | tex->SetTextSize(0.04); | |
281 | tex->SetLineWidth(2); | |
282 | tex->Draw(); | |
283 | } | |
284 | ||
285 | ||
286 |