Changeset d36facf in sasview
- Timestamp:
- Nov 30, 2011 8:41:07 AM (13 years ago)
- Branches:
- master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.1.1, release-4.1.2, release-4.2.2, release_4.0.1, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload
- Children:
- 60bca1a
- Parents:
- 0003cc3
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
park-1.2.1/park/lib/resolution.c
r0003cc3 rd36facf 22 22 int sign = 1; 23 23 24 double t ;25 double y ;24 double t = 1.0; 25 double y = 1.0; 26 26 if (x < 0) 27 27 sign = -1; … … 179 179 const double two_sigma_sq = 2. * sigma * sigma; 180 180 double z, Glo, erflo, erfmin, R; 181 double zhi, Ghi, erfhi, m, b; 181 182 182 183 z = Qo - Qin[k]; … … 190 191 191 192 /* Compute the next endpoint */ 192 const doublezhi = Qo - Qin[k];193 const doubleGhi = exp(-zhi*zhi/two_sigma_sq);194 const doubleerfhi = erf(-zhi/(SQRT2*sigma));195 const doublem = (Rin[k]-Rin[k-1])/(Qin[k]-Qin[k-1]);196 const doubleb = Rin[k] - m * Qin[k];193 zhi = Qo - Qin[k]; 194 Ghi = exp(-zhi*zhi/two_sigma_sq); 195 erfhi = erf(-zhi/(SQRT2*sigma)); 196 m = (Rin[k]-Rin[k-1])/(Qin[k]-Qin[k-1]); 197 b = Rin[k] - m * Qin[k]; 197 198 198 199 /* Add the integrals. */ … … 235 236 { 236 237 int lo,out; 238 double sigma, Qo, limit; 237 239 238 240 /* FIXME fails if Qin are not sorted; slow if Q not sorted */ … … 243 245 for (out=0; out < N; out++) { 244 246 /* width of resolution window for Q is w = 2 dQ^2. */ 245 const doublesigma = dQ[out];246 const doubleQo = Q[out];247 const doublelimit = sqrt(-2.*sigma*sigma* LOG_RESLIMIT);247 sigma = dQ[out]; 248 Qo = Q[out]; 249 limit = sqrt(-2.*sigma*sigma* LOG_RESLIMIT); 248 250 249 251 /* if (out%20==0) printf("%d: Q,dQ = %g,%g\n",out,Qo,sigma); */
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