Справочник Пользователя для Mitsubishi Electronics QCPU

7-300

LOG10(P)

Common logarithm operation on floating-point data

 (Single precision) (LOG10(P))

LOG10(P)

*1: Available only for real number.

Function

(1) This instruction obtains the value specified by 

 for common logarithm (logarithm with base 

10), and then stores the operation result into the device specified by 

.

(2) Only positive values can be specified by 

. (Operation cannot be performed on negative 

numbers.)

(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.

: Data of which the common logarithm is obtained 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)

Settiing 

Data

Internal Devices 

R, ZR

J

\

U

\G

Zn

Constants

E

Other

Bit

Word

Bit

Word

––

––

––

 *1

––

––

––

––

––

––

Basic

Process

High

performance

Redundant

LOG10P

LOG10

LOG10P

LOG10

S

D

S

D

Command

Command

S

D

S

D

S

D

Log

10

S

S

＋1

32-bit floating-point

data type real number

32-bit floating-point

data type real number

D

D

＋1

S