From ef800d4ffafdbde7d7a172ad73bd984b1695c138 Mon Sep 17 00:00:00 2001 From: Pasha Date: Fri, 27 Jan 2023 00:54:07 +0000 Subject: simplex-glpk with modified glpk for fpga --- glpk-5.0/examples/oldapi/lpxsamp.c | 51 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 glpk-5.0/examples/oldapi/lpxsamp.c (limited to 'glpk-5.0/examples/oldapi/lpxsamp.c') diff --git a/glpk-5.0/examples/oldapi/lpxsamp.c b/glpk-5.0/examples/oldapi/lpxsamp.c new file mode 100644 index 0000000..dd08148 --- /dev/null +++ b/glpk-5.0/examples/oldapi/lpxsamp.c @@ -0,0 +1,51 @@ +/* lpxsamp.c */ + +#include +#include +#include "lpx.h" + +int main(void) +{ LPX *lp; + int ia[1+1000], ja[1+1000]; + double ar[1+1000], Z, x1, x2, x3; +s1: lp = lpx_create_prob(); +s2: lpx_set_prob_name(lp, "sample"); +s3: lpx_set_obj_dir(lp, LPX_MAX); +s4: lpx_add_rows(lp, 3); +s5: lpx_set_row_name(lp, 1, "p"); +s6: lpx_set_row_bnds(lp, 1, LPX_UP, 0.0, 100.0); +s7: lpx_set_row_name(lp, 2, "q"); +s8: lpx_set_row_bnds(lp, 2, LPX_UP, 0.0, 600.0); +s9: lpx_set_row_name(lp, 3, "r"); +s10: lpx_set_row_bnds(lp, 3, LPX_UP, 0.0, 300.0); +s11: lpx_add_cols(lp, 3); +s12: lpx_set_col_name(lp, 1, "x1"); +s13: lpx_set_col_bnds(lp, 1, LPX_LO, 0.0, 0.0); +s14: lpx_set_obj_coef(lp, 1, 10.0); +s15: lpx_set_col_name(lp, 2, "x2"); +s16: lpx_set_col_bnds(lp, 2, LPX_LO, 0.0, 0.0); +s17: lpx_set_obj_coef(lp, 2, 6.0); +s18: lpx_set_col_name(lp, 3, "x3"); +s19: lpx_set_col_bnds(lp, 3, LPX_LO, 0.0, 0.0); +s20: lpx_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: lpx_load_matrix(lp, 9, ia, ja, ar); +s31: lpx_simplex(lp); +s32: Z = lpx_get_obj_val(lp); +s33: x1 = lpx_get_col_prim(lp, 1); +s34: x2 = lpx_get_col_prim(lp, 2); +s35: x3 = lpx_get_col_prim(lp, 3); +s36: printf("\nZ = %g; x1 = %g; x2 = %g; x3 = %g\n", Z, x1, x2, x3); +s37: lpx_delete_prob(lp); + return 0; +} + +/* eof */ -- cgit v1.2.1