四舍五入的目标C问题

float raw = 16.695;
NSLog(@\"All DP: %f\",raw);
NSLog(@\"2 DP: %.2f\",raw);

All DP: 16.695000
2 DP: 16.69

All DP: 16.695000
2 DP: 16.70

16.695

NSLog()

printf()

math.h

NSLog()

 - (void)testNSlogMethod {

    float value = 16.695; //--16.70
    value = value *100;

    int mulitpler = round(value);

    NSLog(@\"%.2f\",mulitpler/100.0f);
}