1*c9945492SAndroid Build Coastguard Worker #define _GNU_SOURCE
2*c9945492SAndroid Build Coastguard Worker #include <stdlib.h>
3*c9945492SAndroid Build Coastguard Worker #include <stdio.h>
4*c9945492SAndroid Build Coastguard Worker #include <string.h>
5*c9945492SAndroid Build Coastguard Worker
fcvt(double x,int n,int * dp,int * sign)6*c9945492SAndroid Build Coastguard Worker char *fcvt(double x, int n, int *dp, int *sign)
7*c9945492SAndroid Build Coastguard Worker {
8*c9945492SAndroid Build Coastguard Worker char tmp[1500];
9*c9945492SAndroid Build Coastguard Worker int i, lz;
10*c9945492SAndroid Build Coastguard Worker
11*c9945492SAndroid Build Coastguard Worker if (n > 1400U) n = 1400;
12*c9945492SAndroid Build Coastguard Worker sprintf(tmp, "%.*f", n, x);
13*c9945492SAndroid Build Coastguard Worker i = (tmp[0] == '-');
14*c9945492SAndroid Build Coastguard Worker if (tmp[i] == '0') lz = strspn(tmp+i+2, "0");
15*c9945492SAndroid Build Coastguard Worker else lz = -(int)strcspn(tmp+i, ".");
16*c9945492SAndroid Build Coastguard Worker
17*c9945492SAndroid Build Coastguard Worker if (n<=lz) {
18*c9945492SAndroid Build Coastguard Worker *sign = i;
19*c9945492SAndroid Build Coastguard Worker *dp = 1;
20*c9945492SAndroid Build Coastguard Worker if (n>14U) n = 14;
21*c9945492SAndroid Build Coastguard Worker return "000000000000000"+14-n;
22*c9945492SAndroid Build Coastguard Worker }
23*c9945492SAndroid Build Coastguard Worker
24*c9945492SAndroid Build Coastguard Worker return ecvt(x, n-lz, dp, sign);
25*c9945492SAndroid Build Coastguard Worker }
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