test.c

   1 #include <assert.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4 #include <unistd.h>
   5 #include <barvinok/util.h>
   6 #include <barvinok/barvinok.h>
   7 #include "config.h"
   8
   9 #ifdef HAVE_GROWING_CHERNIKOVA
  10 #define MAXRAYS    POL_NO_DUAL
  11 #else
  12 #define MAXRAYS  600
  13 #endif
  14
  15 #ifdef HAVE_SYS_TIMES_H
  16
  17 #include <sys/times.h>
  18
  19 static void time_diff(struct tms *before, struct tms *after)
  20 {
  21     long ticks = sysconf(_SC_CLK_TCK);
  22     printf("User: %g; Sys: %g\n",
  23             (0.0 + after->tms_utime - before->tms_utime) / ticks,
  24             (0.0 + after->tms_stime - before->tms_stime) / ticks);
  25 }
  26
  27 #else
  28
  29 struct tms {};
  30 static void times(struct tms* time)
  31 {
  32 }
  33 static void time_diff(struct tms *before, struct tms *after)
  34 {
  35 }
  36
  37 #endif
  38
  39 int main()
  40 {
  41     int i, nbPol, nbVec, func, j;
  42     Polyhedron *A, *B, *C, *D, *E, *F, *G;
  43     char s[128];
  44
  45     nbPol = nbVec = 0;
  46     fgets(s, 128, stdin);
  47     while ((*s=='#') ||
  48             ((sscanf(s, "D %d", &nbPol)<1) && (sscanf(s, "V %d", &nbVec)<1)) )
  49         fgets(s, 128, stdin);
  50
  51     for (i = 0; i < nbPol; ++i) {
  52         Matrix *M = Matrix_Read();
  53         A = Constraints2Polyhedron(M, MAXRAYS);
  54         Matrix_Free(M);
  55         fgets(s, 128, stdin);
  56         while ((*s=='#') || (sscanf(s, "F %d", &func)<1))
  57             fgets(s, 128, stdin);
  58
  59         switch(func) {
  60         case 0: {
  61             Value cb, ck;
  62             value_init(cb);
  63             value_init(ck);
  64             fgets(s, 128, stdin);
  65             /* workaround for apparent bug in older gmps */
  66             *strchr(s, '\n') = '\0';
  67             while ((*s=='#') || (value_read(ck, s) != 0)) {
  68                 fgets(s, 128, stdin);
  69                 /* workaround for apparent bug in older gmps */
  70                 *strchr(s, '\n') = '\0';
  71             }
  72             barvinok_count(A, &cb, MAXRAYS);
  73             if (value_ne(cb, ck))
  74                 return -1;
  75             value_clear(cb);
  76             value_clear(ck);
  77             break;
  78         }
  79         case 1:
  80             Polyhedron_Print(stdout, P_VALUE_FMT, A);
  81             B = Polyhedron_Polar(A, MAXRAYS);
  82             Polyhedron_Print(stdout, P_VALUE_FMT, B);
  83             C = Polyhedron_Polar(B, MAXRAYS);
  84             Polyhedron_Print(stdout, P_VALUE_FMT, C);
  85             Polyhedron_Free(C);
  86             Polyhedron_Free(B);
  87             break;
  88         case 2:
  89             Polyhedron_Print(stdout, P_VALUE_FMT, A);
  90             for (j = 0; j < A->NbRays; ++j) {
  91                 B = supporting_cone(A, j);
  92                 Polyhedron_Print(stdout, P_VALUE_FMT, B);
  93                 Polyhedron_Free(B);
  94             }
  95             break;
  96         case 3:
  97             Polyhedron_Print(stdout, P_VALUE_FMT, A);
  98             C = B = NULL;
  99             barvinok_decompose(A,&B,&C);
 100             puts("Pos:");
 101             Polyhedron_Print(stdout, P_VALUE_FMT, B);
 102             puts("Neg:");
 103             Polyhedron_Print(stdout, P_VALUE_FMT, C);
 104             Domain_Free(B);
 105             Domain_Free(C);
 106             break;
 107         case 4: {
 108             Value cm, cb;
 109             struct tms tms_before, tms_between, tms_after;
 110             value_init(cm);
 111             value_init(cb);
 112             Polyhedron_Print(stdout, P_VALUE_FMT, A);
 113             times(&tms_before);
 114             manual_count(A, &cm);
 115             times(&tms_between);
 116             barvinok_count(A, &cb, 100);
 117             times(&tms_after);
 118             printf("manual: ");
 119             value_print(stdout, P_VALUE_FMT, cm);
 120             puts("");
 121             time_diff(&tms_before, &tms_between);
 122             printf("Barvinok: ");
 123             value_print(stdout, P_VALUE_FMT, cb);
 124             puts("");
 125             time_diff(&tms_between, &tms_after);
 126             value_clear(cm);
 127             value_clear(cb);
 128             break;
 129         }
 130         case 5:
 131             Polyhedron_Print(stdout, P_VALUE_FMT, A);
 132             B = triangulate_cone(A, 100);
 133             Polyhedron_Print(stdout, P_VALUE_FMT, B);
 134             check_triangulization(A, B);
 135             Domain_Free(B);
 136             break;
 137         case 6:
 138             Polyhedron_Print(stdout, P_VALUE_FMT, A);
 139             B = remove_equalities(A);
 140             Polyhedron_Print(stdout, P_VALUE_FMT, B);
 141             Polyhedron_Free(B);
 142             break;
 143         case 8: {
 144             evalue *EP;
 145             Matrix *M = Matrix_Read();
 146             char **param_name;
 147             C = Constraints2Polyhedron(M, MAXRAYS);
 148             Matrix_Free(M);
 149             Polyhedron_Print(stdout, P_VALUE_FMT, A);
 150             Polyhedron_Print(stdout, P_VALUE_FMT, C);
 151             EP = barvinok_enumerate_ev(A, C, MAXRAYS);
 152             param_name = Read_ParamNames(stdin, C->Dimension);
 153             print_evalue(stdout, EP, param_name);
 154             free_evalue_refs(EP);
 155             free(EP);
 156             Polyhedron_Free(C);
 157         }
 158         case 9:
 159             Polyhedron_Print(stdout, P_VALUE_FMT, A);
 160             Polyhedron_Polarize(A);
 161             C = B = NULL;
 162             barvinok_decompose(A,&B,&C);
 163             for (D = B; D; D = D->next)
 164                 Polyhedron_Polarize(D);
 165             for (D = C; D; D = D->next)
 166                 Polyhedron_Polarize(D);
 167             puts("Pos:");
 168             Polyhedron_Print(stdout, P_VALUE_FMT, B);
 169             puts("Neg:");
 170             Polyhedron_Print(stdout, P_VALUE_FMT, C);
 171             Domain_Free(B);
 172             Domain_Free(C);
 173             break;
 174         }
 175         Polyhedron_Free(A);
 176     }
 177     for (i = 0; i < nbVec; ++i) {
 178         Vector *V = Vector_Read();
 179         Matrix *M = unimodular_complete(V);
 180         Matrix_Print(stdout, P_VALUE_FMT, M);
 181         Matrix_Free(M);
 182         Vector_Free(V);
 183     }
 184
 185     return 0;
 186 }