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POW(P)
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7.12 Special function instructions
7.12.17 Exponentiation operation on floating-point data (Single precision) (POW(P))
7.12.17 Exponentiation operation on floating-point data
(Single precision) (POW(P))
POW(P)
*1: Available only for real number
Function
(1) This instruction raises the 32-bit floating-point data type real number specified by to the
number nth specified by power, and then stores the operation result into the device
specified by .
(2) The following shows the values to be specified by and stored into or .
0, 2
-126
| Set values (Storage values) | < 2
128
(3) If the value resulted from the operation is 0 or an underflow occurs, the result will be
processed as 0.
QnU(D)(H)CPU: The serial number (first five digits) is "10102" or later.
QnUDE(H)CPU: The serial number (first five digits) is "10102" or later.
: Exponentiation recipient data or head number of the devices where the exponentiation recipient data are
stored (real number)
: Exponentiation data or head number of the devices where the data are stored (real number)
: Head number of the devices where the operation result will be stored (real number)
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn
Constants
E
Other
Bit Word Bit Word
–– ––
*1
––
–– ––
*1
–– –– –– ––
Basic
Process
High
performance
Redundant
Ver.
Universal
Command
Command
POW
POWP
S1
S2
D
S1
S2
D
POW
POWP
S1
S2
D
S1
S2
D
S1
S2
D
32-bit floating-point
data type real number
32-bit floating-point
data type real number
1
1
1
1 1
1to th power.The instruction raises
Exponentiation recipient data
Exponentiation data
1 1
1
D
D
S1
S2
S1
S2
S1
S1
S2
S1
S2
S1
S1
S1
S1
S1S1
S1
S1
S2