Defines a numeric constant with units and (optionally) other attributes
c: (value)
(units)
:c
Arguments
label
type
description
value
number/string
numeric value of constant
units
string
units of constant (optional)
Returns
constant
variable
returned variable with value and units.
Description
The c: :c construct allows the user to
define a constant with units. Units are optional, but must be enclosed
within parentheses if included.
Example
SOURCES
.NOAA .NCEP-NCAR .CDAS-1 .DAILY .Diagnostic .surface .prate c: 0.001
(m3 kg-1) :c mul c: 1000 (mm m-1) :c mul c: 86400 (s day-1) :c mul
This
example uses the c: :c construct to convert the units of NCEP-NCAR
Reanalysis precipitation from kg m-2 s-1 to mm/day through the use of
three multiplied conversion factors.