#include "func.h"
#include <math.h> // For fabs()
char debuf[50] = "";
double textwidth(const char* s, int len) {
int i;
for (i = 0; i < len; i++)
if (s[i] == 0)
break;
return i * 6;
}
double textheight(const char* s, int len) {
return 8.0;
}
return (c==' ' || c=='\n' || c=='\t' || c=='\r');
}
// ýòà ôóíêöèÿ - âåëîñèïåä. íî ïðîùå áûëî íàïèñàòü ÷åì íàéòè.
double convert(const char* s, int* len) {
int i;
double sign
, res
, tail
, div;
res = 0.0;
i = 0;
if (len) *len=i;
if (s[i] == '\0')
return ERROR_END;
sign=1.0;
if (s[i] == '-') {
sign=-1.0;
i++;
}
while (s[i] && s[i] >= '0' && s[i] <= '9') {
res *= 10.0;
res += s[i] - '0';
i++;
}
if (len) *len=i;
return sign*res;
if (s[i] != '.' && s[i] != ',')
return ERROR;
i++;
if (len) *len=i;
if (!s[i])
return sign*res;
tail = 0.0;
while (s[i] && s[i] >= '0' && s[i] <= '9') {
tail *= 10.0;
tail += s[i] - '0';
i++;
}
if (len) *len=i;
return sign*res;
}
int isequal(double a, double b) {
return fabs(a
-b
) < EQUALITY_VAL
;
}