Check this link. I have written a code there. My previous account was internetuser2k11 and 12.
https://www.edaboard.com/threads/254723/
https://www.edaboard.com/threads/253183/
Use that code. There is a small mistake in floattosting() function. I have fixed it here.
Code C - [expand] |
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| //Function Prototypes
void floattostring(double FP_NUM);
//Sub Function
void floattostring(double FP_NUM) {
double fpnumber;
long int befdec, aftdec;
fpnumber = FP_NUM;
befdec = fpnumber; // Fractional part is truncated
// 12.163456 becomes 12
aftdec = fpnumber * 100; // 12.163456 becomes 1216
aftdec = aftdec - (befdec * 100); // 1216 - 1200 = 16
if (fpnumber < 1) {
string[0] = '0';
string[1] = '.';
string[2] = (aftdec/10) + 48;
string[3] = (aftdec/1)%10 + 48;
string[4] = '\0';
}
else if ((fpnumber >= 1) && (fpnumber < 10)) {
string[0] = (befdec/1)%10 + 48;
string[1] = '.';
string[2] = (aftdec/10) + 48;
string[3] = (aftdec/1)%10 + 48;
string[4] = '\0';
}
else if ((fpnumber >= 10) && (fpnumber < 100)) {
string[0] = (befdec/10) + 48;
string[1] = (befdec/1)%10 + 48;
string[2] = '.';
string[3] = (aftdec/10) + 48;
string[4] = (aftdec/1)%10 + 48;
string[5] = '\0';
}
else if ((fpnumber >= 100) && (fpnumber < 1000)) {
string[0] = (befdec/100) + 48;
string[1] = (befdec/10)%10 + 48;
string[2] = (befdec/1)%10 + 48;
string[3] = '.';
string[4] = (aftdec/10) + 48;
string[5] = '\0';
}
else if ((fpnumber >= 1000) && (fpnumber < 10000)) {
string[0] = (befdec/1000) + 48;
string[1] = (befdec/100)%10 + 48;
string[2] = (befdec/10)%10 + 48;
string[3] = (befdec/1)%10 + 48;
string[4] = '.';
string[5] = (aftdec/10) + 48;
string[6] = '\0';
}
else if ((fpnumber >= 10000) && (fpnumber < 100000)) {
string[0] = (befdec/10000) + 48;
string[1] = (befdec/1000)%10 + 48;
string[2] = (befdec/100)%10 + 48;
string[3] = (befdec/10)%10 + 48;
string[4] = (befdec/1)%10 + 48;
string[5] = '.';
string[6] = (aftdec/10) + 48;
string[7] = '\0';
}
} |