A problem of losing accuracy of float Division in QT

the following program running environment QT MinGW 5.3.0 32 bit

Code one: 

QString s="2.08";
float b=s.toFloat();
qDebug()<<b;               //2.08
float c=0.01;
float val=b/c;
int value=(int)val;   
qDebug()<<value;        //207    error

Code 2: 

QString s="2.08";
float b=s.toFloat();
qDebug()<<b;            //2.08
float c=0.01;
float val=b/c;
qDebug()<<val;        //208  
int value=(int)val;  
qDebug()<<value;      //208   ok

Code 3: 

float b=2.08;             //
qDebug()<<b;            //2.08
float c=0.01;
float val=b/c;
int value=(int)val;  
qDebug()<<value;      //208   ok

Thank you very much for looking for a sensible person to help solve your doubts.

Qt5
Dec.19,2021

Previous: In typescript, for in loop is used to report errors.

Next: Can two java instances belong to the same consumer group when kafka consumers are multithreaded?

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e45db8-44b62.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e45db8-44b62.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?