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ÎÒËãÒ»¸ö¶þάµÄËãÀý£¬ÓÃudfÔÚ¿ÕÆøÓòÀïÃæÑ¡ÁËһЩµ¥Ôª¼ÓÉÏ×÷ÓÃÁ¦ ¡£ sourceÔ´Ïî¿ÉÒÔ×öµ½°É£¿ÎªÊ²Ã´¼ÓÉÏÈ¥Ëã³öÀ´µÄ½á¹û¸úûÓмÓÁ¦µÄʱºòÏà±È×ÜÊÇûÓÐ±ä»¯ÄØ £¿ #include "udf.h" #include "surf.h" #define MAXPOINTS 9000 #define UDM_SOURCE_FMAGX 0 #define UDM_SOURCE_FMAGY 1 static int np = 0; real coordinates[MAXPOINTS][ND_ND] = {{0.}}; real area[MAXPOINTS]; real fx[MAXPOINTS]; real fy[MAXPOINTS]; real m; struct interpolation_point{ cell_t c; Thread* t; }; struct interpolation_point point_list[MAXPOINTS]; DEFINE_ON_DEMAND(mark_reset) { Domain*d = Get_Domain(1); Thread*t; cell_t c; thread_loop_c(t,d) { begin_c_loop(c,t) { C_UDMI(c,t,UDM_SOURCE_FMAGX)=0.0; C_UDMI(c,t,UDM_SOURCE_FMAGY)=0.0; } end_c_loop(c,t); } } DEFINE_ON_DEMAND(mark) { #if !RP_HOST Domain *d=Get_Domain(1); cell_t c; CX_Cell_Id cx_cell; Thread* t; int points_found = 0, total_points_found=0; #endif #if !RP_NODE FILE *input; #endif int n; /*ÊäÈëµ¥Ôª×ø±ê*/ #if !RP_NODE /* Open input file */ if (!(input = fopen("coordinate.txt","r" )){ Message0("\nWarning: Could not open interpolation input file...\n" ;return; } /* Initialize */ for(n=0; n point_list[n].c = 0; point_list[n].t = NULL; } /* Read points from input file */ n = -1; while (!feof(input)) { n++; #if RP_DOUBLE #if RP_3D fscanf(input,"%lg %lg %lg", &coordinates[n][0], &coordinates[n][1], &coordinates[n][2]) ; #else fscanf(input,"%lg %lg", &coordinates[n][0], &coordinates[n][1]); #endif #else #if RP_3D fscanf(input,"%g %g %g", &coordinates[n][0], &coordinates[n][1], &coordinates[n][2]) ; #else fscanf(input,"%g %g", &coordinates[n][0], &coordinates[n][1]); #endif #endif } np = n; /* Check np with MAXPOINTS */ if (np > MAXPOINTS) { Message0("ERROR: You must recompile interpolate UDF with MAXPOINTS at least %i\n", np) ; return; } /* Close input file */ fclose(input); #endif /*ÊäÈëÐèÒª¼ÓÈëµÄÁ¦fx£¬fy*/ #if !RP_NODE input=fopen("fx.txt","r" ;n = -1; while (!feof(input)) { n++; fscanf(input," %lg ",&fx[n]); } fclose(input); #endif #if !RP_NODE input=fopen("fy.txt","r" ;n = -1; while (!feof(input)) { n++; fscanf(input," %lg ",&fy[n]); } fclose(input); #endif /*ÊäÈëµ¥ÔªÃæ»ý*/ #if !RP_NODE input=fopen("area.txt","r" ;n = -1; while (!feof(input)) { n++; fscanf(input," %lg ",&area[n]); } fclose(input); #endif /* FIND COORDINATES IN CELLS */ /* Pass coordinates and np to the compute nodes */ host_to_node_real(&coordinates[0][0],ND_ND*MAXPOINTS); host_to_node_int_1(np); host_to_node_real(&area[0],MAXPOINTS); host_to_node_real(&fx[0],MAXPOINTS); host_to_node_real(&fy[0],MAXPOINTS); #if !RP_HOST /* Do computations */ for(n=0;n thread_loop_c(t,d) { begin_c_loop_int(c,t) { if (SV_is_point_in_cell(&cx_cell, c, t, coordinates[n],m)) { point_list[n].c = RP_CELL(&cx_cell); point_list[n].t = RP_THREAD(&cx_cell); /* SET UDM HERE */ C_UDMI(point_list[n].c, point_list[n].t, UDM_SOURCE_FMAGX)=fx[n]/area[n]; C_UDMI(point_list[n].c, point_list[n].t, UDM_SOURCE_FMAGY)=fy[n]/area[n]; points_found++; goto label; } } end_c_loop_int(c,t); } label: continue; } total_points_found += points_found; #if PARALLEL total_points_found = PRF_GISUM1(total_points_found); #endif /* PRINT MESSAGE */ if (np != total_points_found) Message0("\n\n Warning.... %i points found in domain out of %i points in input file\n", total_points_found, np); else Message0("\n\n Interpolate... all %i points located!\n", np); #endif } DEFINE_SOURCE(fmagx,c,t,dS,eqn) { real source=0.0; if(C_UDMI(c,t,UDM_SOURCE_FMAGX)!=0.0) { source=C_UDMI(c,t,UDM_SOURCE_FMAGX); } dS[eqn] = 0.0; return source; } DEFINE_SOURCE(fmagy,c,t,dS,eqn) { real source=0.0; if(C_UDMI(c,t,UDM_SOURCE_FMAGY)!=0.0) { source=C_UDMI(c,t,UDM_SOURCE_FMAGY); } dS[eqn] = 0.0; return source; } |
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xiegangmai: ½ð±Ò-1, רҵ°æ¿é½»Á÷Ìù£¬ÇëÎð¹àË® 2012-10-23 22:11:01
xiegangmai: ½ð±Ò-1, רҵ°æ¿é½»Á÷Ìù£¬ÇëÎð¹àË® 2012-10-23 22:11:01
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2Â¥2012-10-23 15:46:15
sunbird04
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3Â¥2012-10-23 22:33:24
mgyao
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4Â¥2012-10-24 11:05:17














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