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#include <pthread.h>
#include <stdio.h>
#include <float.h>
#include <iostream>
#include "global_data.h"
using namespace std;
global_data global;
string version = "6.1";
pthread_mutex_t output_lock = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t output_done = PTHREAD_COND_INITIALIZER;
struct global_prediction {
float p;
float weight;
};
int really_read(int sock, void* in, size_t count)
{
char* buf = (char*)in;
size_t done = 0;
int r = 0;
while (done < count)
{
if ((r = read(sock,buf,count-done)) == 0)
return 0;
else
if (r < 0)
{
cerr << "argh! bad read! on message from " << sock << endl;
perror(NULL);
exit(0);
}
else
{
done += r;
buf += r;
}
}
return done;
}
void get_prediction(int sock, float& res, float& weight)
{
global_prediction p;
int count = really_read(sock, &p, sizeof(p));
res = p.p;
weight = p.weight;
assert(count == sizeof(p));
}
void send_prediction(int sock, global_prediction p)
{
if (write(sock, &p, sizeof(p)) < (int)sizeof(p))
{
cerr << "argh! bad global write! " << sock << endl;
perror(NULL);
exit(0);
}
}
void binary_print_result(int f, float res, float weight, v_array<char> tag)
{
if (f >= 0)
{
global_prediction ps = {res, weight};
send_prediction(f, ps);
}
}
void print_result(int f, float res, float weight, v_array<char> tag)
{
if (f >= 0)
{
char temp[30];
int num = sprintf(temp, "%f", res);
ssize_t t;
t = write(f, temp, num);
if (t != num)
cerr << "write error" << endl;
if (tag.begin != tag.end){
temp[0] = ' ';
t = write(f, temp, 1);
if (t != 1)
cerr << "write error" << endl;
t = write(f, tag.begin, sizeof(char)*tag.index());
if (t != (ssize_t) (sizeof(char)*tag.index()))
cerr << "write error" << endl;
}
if(global.active && weight >= 0)
{
num = sprintf(temp, " %f", weight);
t = write(f, temp, num);
if (t != num)
cerr << "write error" << endl;
}
temp[0] = '\n';
t = write(f, temp, 1);
if (t != 1)
cerr << "write error" << endl;
}
}
void print_lda_result(int f, float* res, float weight, v_array<char> tag)
{
if (f >= 0)
{
char temp[30];
ssize_t t;
int num;
for (size_t k = 0; k < global.lda; k++)
{
num = sprintf(temp, "%f ", res[k]);
t = write(f, temp, num);
if (t != num)
cerr << "write error" << endl;
}
if (tag.begin != tag.end){
temp[0] = ' ';
t = write(f, temp, 1);
if (t != 1)
cerr << "write error" << endl;
t = write(f, tag.begin, sizeof(char)*tag.index());
if (t != (ssize_t) (sizeof(char)*tag.index()))
cerr << "write error" << endl;
}
if(global.active && weight >= 0)
{
num = sprintf(temp, " %f", weight);
t = write(f, temp, num);
if (t != num)
cerr << "write error" << endl;
}
temp[0] = '\n';
t = write(f, temp, 1);
if (t != 1)
cerr << "write error" << endl;
}
}
void set_mm(double label)
{
global.sd->min_label = min(global.sd->min_label, label);
if (label != FLT_MAX)
global.sd->max_label = max(global.sd->max_label, label);
}
void noop_mm(double label)
{}
void (*set_minmax)(double label) = set_mm;
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