#include <gsl/gsl_errno.h>
#include <gsl/gsl_multimin.h>
-#define BEST_F "best"
-#define INITIAL_F "initial"
+static const char *input_file, *output_file;
+static char *output_file_tmp;
static double edgewise_vertex_displacement_cost(const Vertices vertices);
static double noncircular_rim_cost(const Vertices vertices);
printf(" BEST");
- best_f= fopen(BEST_F ".new","wb"); if (!best_f) diee("fopen new best");
+ best_f= fopen(output_file_tmp,"wb"); if (!best_f) diee("fopen new out");
r= fwrite(vertices,sizeof(Vertices),1,best_f); if (r!=1) diee("fwrite");
if (fclose(best_f)) diee("fclose new best");
- if (rename(BEST_F ".new", BEST_F)) diee("rename install new best");
+ if (rename(output_file_tmp,output_file)) diee("rename install new best");
best_energy= energy;
}
gsl_vector initial_gsl, step_size_gsl;
int r, v, k;
- if (argc>1) { fputs("takes no arguments\n",stderr); exit(8); }
+ if (argc!=3 || argv[1][0]=='-' || strncmp(argv[2],"-o",2))
+ { fputs("usage: minimise <input> -o<output\n",stderr); exit(8); }
+
+ input_file= argv[1];
+ output_file= argv[2]+2;
+ if (asprintf(&output_file_tmp,"%s.new",output_file) <= 0) diee("asprintf");
minimiser= gsl_multimin_fminimizer_alloc
(gsl_multimin_fminimizer_nmsimplex, DIM);
multimin_function.n= DIM;
multimin_function.params= 0;
- initial_f= fopen(INITIAL_F,"rb"); if (!initial_f) diee("fopen initial");
+ initial_f= fopen(input_file,"rb"); if (!initial_f) diee("fopen initial");
errno= 0; r= fread(initial,sizeof(initial),1,initial_f);
if (r!=1) diee("fread");
fclose(initial_f);
step_size_gsl.data= &step_size[0][0];
FOR_VERTEX(v)
- K step_size[v][k]= 0.01;
+ K step_size[v][k]= 0.03;
//int vx,vy;
// FOR_RIM_VERTEX(vx,vy,v)
// step_size[v][3] *= 0.1;