Campbell 21X Manuel de l'opérateur télécharger pdf (Page 111)

SECTION

10.

PROCESSING

INSTRUCTIONS

Parameter

3 cannot be

entered as an indexed

location within

a

loop

(lnstruction

87). To

use

Instruction 49

within a loop,

enter Parameter

3

as a

fixed

location

and follow

49 with

Instruction

31

(Move

Data). In

Instruction

31,

enterthe

location

in which 49

stores its

result as

the

source

(fixed)

and enter the

destination

as an

indexed location.

PAR. DATA

NO. TYPE

DESCRIPTION

2

Swath

ISWATH]

4

Starting input location

[1ST

LOC]

4

Dest. input location for

maximum

[MAX

or

Z]

lnput locations

altered: 1or2

***

50

SPATIAL MINIMUM

***

FUNCTION

Find the minimum value

in the

given

set

or

SWATH of contiguous

input locations

and

place

the

result

in location

Z. To find

the

input location

where the

minimum

value

occurs,

follow

the

instructions

given

above for

SPATIAL

MAXIMUM.

Parameter

3 cannot be

entered as an indexed

location in

a

loop. Within

a loop, lnstruction

50

must be used in

conjunction with Instruction

31

as described for

Instruction 49.

PAR. DATA

NO. TYPE DESCRIPTION

2

Swath

ISWATHI

4

Starting

input

location

[1ST

LOC]

4

Dest. input location for

minimum

[MlN

or Z]

Input locations

altered: 1or2

***

51

SPATIAL

AVERAGE

***

FUNCTION

Calculate the average

of the values in

the

given

set

or

SWATH

of

contiguous

input locations

and

place

the result

in location

Z.

PAR.

DATA

NO.

TYPE

DESCRIPTION

Swath

Starting input location

[1ST

Dest. input location

for

average

IAVG

or

lnput locations

altered: 1

**.

53 SCALING ARRAY WITH

***

MULTIPLIER AND

OFFSET

FUNCTION

Take

4

input location

values, multiply

each by a

floating

point

constant, then

add another

point

constant to the resulting

products

and

place

the

results

back into each

of the original 4

input

locations.

PAR. DATA

NO.

TYPE

DESCRIPTION

4

First input

location

FP Multiplier

1

FP Otfset 1

FP Multiplier 2

FP Offset 2

FP Multiplier 3

FP Offset 3

FP Multiplier 4

FP Offset 4

IsTRT

fnput

locations altered: 4

***

54 BLOCK

MOVE

***

FUNCTION

Moves

a

block of data from one

set of input

locations

to another. Parameters

specify

the

number

of

values

to move, the

source, source

step,

destination, and destination step.

The

"step" parameters

designate the

increment

of

the

source

and

destination

Input

locations

for

each value that is moved. For

example,

a

"source

step" of 2

and a

"destination

step" of

1

will move data from

every other Input location to

a contiguous block

of

Input locations.

01: 2

02: 4

03: 4

01:

o2:

03:

01:

02:

03:

01:

02:

03:

o4:

05:

06:

07:

08:

09:

10-4

lswA

lA1

lB1

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