Sqrt - Omron CJ - REFERENCE MANUAL 02-2010 Reference Manual

3. Instructions

SQRT

Instruction
SQUARE ROOT
Symbol
Applicable Program Areas
Function block
Area
definitions
Usage OK
Operands
Operand
S First source word
R First result word
Operand Specifications
Word addresses
Area
CIO WR HR
S
OK OK OK
R
Flags
Name
Error Flag
Equals Flag
Overflow Flag
Underflow Flag
Negative Flag
492
Mnemonic Variations
SQRT @SQRT
Block program areas Step program areas
OK OK
Description
AR T C DM EM
OK OK OK OK OK
Label
ER • ON if the source data is not recognized as floating-point data.
• ON if the source data is negative.
• ON if the source data is not a number (NaN).
• OFF in all other cases.
= • ON if both the exponent and mantissa of the result are 0.
• OFF in all other cases.
OF • ON if the absolute value of the result is too large to be expressed as a 32-bit floating-point value.
• OFF in all other cases.
UF OFF
N OFF
Function
code
Calculates the square root of a 32-bit floating-
466 point number and places the result in the specified
result words.
SQRT
SQRT(466)
S: First source word
S
R R: First result word
Subroutines
OK
Indirect DM/EM
addresses
Con-
stants
@DM *DM
DR
@EM *EM
OK
OK OK ---
---
Operation
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Function
SFC action or
Interrupt tasks
transition programs
OK OK
Data type Size
REAL 2
REAL 2
Registers
Pulse
TK CF
bits
Indirect
IR
using IR
--- OK --- ---
TR
bits
--- ---