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/*
* parameters.cpp
*
* Definition and reading of the parameters. Include "parameters.h" to
* use these values.
*
* Created on: 11 Nov 2011
* Author: dan
*/
#include "parameters.h"
#include "math.h"
#include "log.h"
#include "util.h"
#include <stdlib.h>
#include <string.h>
// See parameters.h for an explanation
PARAMETERS_TABLE(DEFINE_PARAMETERS)
char HelpString[] = "\n\
\n\
Masked KlustaKwik\n\
\n\
Uses the CEM algorithm with masks to do automatic clustering.\n\n\
";
int num_used_arguments = 0;
void params_error()
{
fprintf(stderr, "Usage: MaskedKlustaKwik FileBase ElecNo [Arguments]\n\n");
fprintf(stderr, "Arguments (with default values): \n\n");
print_params(stderr);
exit(1);
}
void SetupParams(int argc, char **argv) {
char fname[STRLEN];
init_params(argc, argv);
// PARAMETER DEFINITIONS GO HERE
// This line reads the PARAMETERS_TABLE from parameters.h and reads each
// of the named parameters from the command line file.
PARAMETERS_TABLE(INPUT_PARAMETERS)
if (argc<3)
{
fprintf(stderr, "Not enough command line arguments.\n\n");
params_error();
}
strcpy(FileBase, argv[1]);
ElecNo = atoi(argv[2]);
if(2*num_used_arguments!=argc-3)
{
fprintf(stderr, "%d %d\n", num_used_arguments, argc);
fprintf(stderr, "Unrecognised command line arguments.\n\n");
params_error();
}
if(UseDistributional)
{
UseMaskedMStep = false;
UseMaskedEStep = false;
}
if (Screen) print_params(stdout);
// open log file, if required
if (Log) {
sprintf(fname, "%s.klg.%d", FileBase, ElecNo);
logfp = fopen_safe(fname, "w");
print_params(logfp);
}
}
typedef struct entry_t {
int t;
char *name;
void *addr;
struct entry_t *next;
} entry;
entry *top, *bottom;
int argc;
char **argv;
extern char HelpString[];
char help = 0;
/* returns 1 if the parameter was found and changed, else zero. */
int change_param(char *name, char *value)
{
entry *e;
int changed = 0;
for(e=bottom; e; e = e->next) if (!strcmp(name, e->name)) {
switch (e->t) {
case FLOAT:
*((scalar *) e->addr) = atof(value); break;
case INT:
*((int *) e->addr) = atoi(value); break;
case BOOLEAN:
if (*value == '0')
*((char *) e->addr) = 0;
else
*((char *) e->addr) = 1;
break;
case STRING:
strncpy((char *)e->addr, value, STRLEN); break;
}
changed = 1;
break;
}
num_used_arguments += changed;
return changed;
}
void init_params(int ac, char **av)
{
argc = ac;
argv = av;
}
void search_command_line(char *name)
{
int i;
for(i=0; i<argc-1; i++)
if (argv[i][0] == '-' && !strcmp(argv[i]+1, name))
change_param(argv[i] + 1, argv[i+1]);
if (argv[argc-1][0] == '-' && !strcmp(argv[argc-1]+1, name))
change_param(argv[argc-1] + 1, "");
}
void add_param(int t, char *name, void *addr)
{
entry *e;
if (top == NULL) {
bottom = top = e = (entry *) malloc(sizeof(entry));
} else {
e = (entry *) malloc(sizeof(entry));
top->next = e;
top = e;
}
if (e == NULL) {printf("parameter manager out of memory!\n"); exit(1);}
top->t = t;
top->name = name;
top->addr = addr;
top->next = NULL;
search_command_line(name);
}
void print_params(FILE *fp)
{
entry *e;
add_param(BOOLEAN, "help", &help);
if (help)
{
fprintf(fp, "%s", HelpString);
PARAMETERS_TABLE(PRINT_PARAMETERS);
exit(0);
}
else
{
for(e=bottom; e; e = e->next) {
fprintf(fp, "%s\t", e->name);
switch (e->t) {
case FLOAT:
fprintf(fp, SCALARFMT "\n", *(scalar *)(e->addr)); break;
case INT:
fprintf(fp, "%d\n", *(int *)(e->addr)); break;
case BOOLEAN:
fprintf(fp, "%d\n", *(char *)(e->addr)); break;
case STRING:
fprintf(fp, "%s\n", (char *)(e->addr)); break;
}
}
}
}
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