F334_FRINT

The function rounds off the decimal part of the real number data and returns it at output d.

Parameters

Input

s (REAL)

Source

Output

d (REAL)

Destination

Remarks

• Instead of using this F instruction, we recommend using the corresponding FP7 instruction: FP_ROUND

• If the first post-decimal digit is between 0..4, the pre-decimal value is rounded down. If the first post-decimal digit is between 5..9, the pre-decimal value is rounded up.

Error flags

sys_bIsOperationErrorHold (turns to TRUE and remains TRUE)

• if the value at input s is not a number of the data type REAL.

sys_bIsOperationErrorNonHold (turns to TRUE for one scan)

• if the value at input s is not a number of the data type REAL.

sys_bIsEqual (turns to TRUE and remains TRUE)

if the calculated result is 0.

sys_bIsCarry (turns to TRUE for one scan)

if the result causes an overflow.