[1315] | 1 | //#include <stdio.h> |
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| 2 | //#include <stdlib.h> |
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| 3 | #include <iostream> |
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| 4 | #include <lemon/lp_glpk.h> |
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| 5 | using namespace lemon; |
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| 6 | |
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| 7 | int main() |
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| 8 | { |
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| 9 | LpGlpk lp; |
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| 10 | typedef LpGlpk::Row Row; |
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| 11 | typedef LpGlpk::Col Col; |
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| 12 | //std::cout << "Hello" << std::endl; |
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| 13 | |
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| 14 | // LPX *lp; |
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| 15 | // int ia[1+1000], ja[1+1000]; |
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| 16 | // double ar[1+1000], Z, x1, x2, x3; |
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| 17 | // s1: lp = lpx_create_prob(); |
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| 18 | // s2: lpx_set_prob_name(lp, "sample"); |
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| 19 | // s3: lpx_set_obj_dir(lp, LPX_MAX); |
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| 20 | lp.max(); |
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| 21 | // s4: lpx_add_rows(lp, 3); |
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| 22 | // s5: lpx_set_row_name(lp, 1, "p"); |
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| 23 | // s6: lpx_set_row_bnds(lp, 1, LPX_UP, 0.0, 100.0); |
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| 24 | |
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| 25 | // Row p = lp.addRow(); |
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| 26 | |
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| 27 | // s7: lpx_set_row_name(lp, 2, "q"); |
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| 28 | // s8: lpx_set_row_bnds(lp, 2, LPX_UP, 0.0, 600.0); |
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| 29 | |
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| 30 | // Row q = lp.addRow(); |
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| 31 | |
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| 32 | // s9: lpx_set_row_name(lp, 3, "r"); |
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| 33 | // s10: lpx_set_row_bnds(lp, 3, LPX_UP, 0.0, 300.0); |
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| 34 | |
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| 35 | // Row r = lp.addRow(); |
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| 36 | |
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| 37 | // s11: lpx_add_cols(lp, 3); |
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| 38 | // s12: lpx_set_col_name(lp, 1, "x1"); |
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| 39 | // s13: lpx_set_col_bnds(lp, 1, LPX_LO, 0.0, 0.0); |
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| 40 | |
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| 41 | // Col x1 = lp.addCol(); |
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| 42 | |
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| 43 | // s14: lpx_set_obj_coef(lp, 1, 10.0); |
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| 44 | // s15: lpx_set_col_name(lp, 2, "x2"); |
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| 45 | // s16: lpx_set_col_bnds(lp, 2, LPX_LO, 0.0, 0.0); |
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| 46 | // s17: lpx_set_obj_coef(lp, 2, 6.0); |
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| 47 | // s18: lpx_set_col_name(lp, 3, "x3"); |
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| 48 | // s19: lpx_set_col_bnds(lp, 3, LPX_LO, 0.0, 0.0); |
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| 49 | // s20: lpx_set_obj_coef(lp, 3, 4.0); |
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| 50 | // s21: ia[1] = 1, ja[1] = 1, ar[1] = 1.0; /* a[1,1] = 1 */ |
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| 51 | // s22: ia[2] = 1, ja[2] = 2, ar[2] = 1.0; /* a[1,2] = 1 */ |
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| 52 | // s23: ia[3] = 1, ja[3] = 3, ar[3] = 1.0; /* a[1,3] = 1 */ |
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| 53 | // s24: ia[4] = 2, ja[4] = 1, ar[4] = 10.0; /* a[2,1] = 10 */ |
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| 54 | // s25: ia[5] = 3, ja[5] = 1, ar[5] = 2.0; /* a[3,1] = 2 */ |
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| 55 | // s26: ia[6] = 2, ja[6] = 2, ar[6] = 4.0; /* a[2,2] = 4 */ |
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| 56 | // s27: ia[7] = 3, ja[7] = 2, ar[7] = 2.0; /* a[3,2] = 2 */ |
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| 57 | // s28: ia[8] = 2, ja[8] = 3, ar[8] = 5.0; /* a[2,3] = 5 */ |
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| 58 | // s29: ia[9] = 3, ja[9] = 3, ar[9] = 6.0; /* a[3,3] = 6 */ |
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| 59 | // s30: lpx_load_matrix(lp, 9, ia, ja, ar); |
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| 60 | // s31: lpx_simplex(lp); |
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| 61 | // s32: Z = lpx_get_obj_val(lp); |
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| 62 | // s33: x1 = lpx_get_col_prim(lp, 1); |
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| 63 | // s34: x2 = lpx_get_col_prim(lp, 2); |
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| 64 | // s35: x3 = lpx_get_col_prim(lp, 3); |
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| 65 | // s36: printf("\nZ = %g; x1 = %g; x2 = %g; x3 = %g\n", Z, x1, x2, x3); |
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| 66 | // s37: lpx_delete_prob(lp); |
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| 67 | // return 0; |
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| 68 | return 0; |
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| 69 | } |
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