diff options
| author | Pasha <pasha@member.fsf.org> | 2023-01-27 00:54:07 +0000 |
|---|---|---|
| committer | Pasha <pasha@member.fsf.org> | 2023-01-27 00:54:07 +0000 |
| commit | ef800d4ffafdbde7d7a172ad73bd984b1695c138 (patch) | |
| tree | 920cc189130f1e98f252283fce94851443641a6d /glpk-5.0/examples/sample.c | |
| parent | ec4ae3c2b5cb0e83fb667f14f832ea94f68ef075 (diff) | |
| download | oneapi-ef800d4ffafdbde7d7a172ad73bd984b1695c138.tar.gz oneapi-ef800d4ffafdbde7d7a172ad73bd984b1695c138.tar.bz2 | |
Diffstat (limited to 'glpk-5.0/examples/sample.c')
| -rw-r--r-- | glpk-5.0/examples/sample.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/glpk-5.0/examples/sample.c b/glpk-5.0/examples/sample.c new file mode 100644 index 0000000..468a6a3 --- /dev/null +++ b/glpk-5.0/examples/sample.c @@ -0,0 +1,52 @@ +/* sample.c */ + +#include <stdio.h> +#include <stdlib.h> +#include <glpk.h> + +int main(void) +{ glp_prob *lp; + int ia[1+1000], ja[1+1000]; + double ar[1+1000], z, x1, x2, x3; +s1: lp = glp_create_prob(); +s2: glp_set_prob_name(lp, "sample"); +s3: glp_set_obj_dir(lp, GLP_MAX); +s4: glp_add_rows(lp, 3); +s5: glp_set_row_name(lp, 1, "p"); +s6: glp_set_row_bnds(lp, 1, GLP_UP, 0.0, 100.0); +s7: glp_set_row_name(lp, 2, "q"); +s8: glp_set_row_bnds(lp, 2, GLP_UP, 0.0, 600.0); +s9: glp_set_row_name(lp, 3, "r"); +s10: glp_set_row_bnds(lp, 3, GLP_UP, 0.0, 300.0); +s11: glp_add_cols(lp, 3); +s12: glp_set_col_name(lp, 1, "x1"); +s13: glp_set_col_bnds(lp, 1, GLP_LO, 0.0, 0.0); +s14: glp_set_obj_coef(lp, 1, 10.0); +s15: glp_set_col_name(lp, 2, "x2"); +s16: glp_set_col_bnds(lp, 2, GLP_LO, 0.0, 0.0); +s17: glp_set_obj_coef(lp, 2, 6.0); +s18: glp_set_col_name(lp, 3, "x3"); +s19: glp_set_col_bnds(lp, 3, GLP_LO, 0.0, 0.0); +s20: glp_set_obj_coef(lp, 3, 4.0); +s21: ia[1] = 1, ja[1] = 1, ar[1] = 1.0; /* a[1,1] = 1 */ +s22: ia[2] = 1, ja[2] = 2, ar[2] = 1.0; /* a[1,2] = 1 */ +s23: ia[3] = 1, ja[3] = 3, ar[3] = 1.0; /* a[1,3] = 1 */ +s24: ia[4] = 2, ja[4] = 1, ar[4] = 10.0; /* a[2,1] = 10 */ +s25: ia[5] = 3, ja[5] = 1, ar[5] = 2.0; /* a[3,1] = 2 */ +s26: ia[6] = 2, ja[6] = 2, ar[6] = 4.0; /* a[2,2] = 4 */ +s27: ia[7] = 3, ja[7] = 2, ar[7] = 2.0; /* a[3,2] = 2 */ +s28: ia[8] = 2, ja[8] = 3, ar[8] = 5.0; /* a[2,3] = 5 */ +s29: ia[9] = 3, ja[9] = 3, ar[9] = 6.0; /* a[3,3] = 6 */ +s30: glp_load_matrix(lp, 9, ia, ja, ar); +s31: glp_simplex(lp, NULL); +s32: z = glp_get_obj_val(lp); +s33: x1 = glp_get_col_prim(lp, 1); +s34: x2 = glp_get_col_prim(lp, 2); +s35: x3 = glp_get_col_prim(lp, 3); +s36: printf("\nz = %g; x1 = %g; x2 = %g; x3 = %g\n", + z, x1, x2, x3); +s37: glp_delete_prob(lp); + return 0; +} + +/* eof */ |