Technical data

Function Extensions
67
Table 4-4 denes the arguments. Arguments can be declared as INTEGER*2
or INTEGER*4.
Function Extensions
Table 4-5 gives an overview of the functions added as extensions of Fortran
77.
These functions are described in detail in the following sections.
Table 4-4 Arguments to MVBITS
Argument Type Contents
source Integer variable or array element Source location of bit eld to be
transferred
sbit Integer expression First bit position in the eld to be
transferred from source.
length Integer expression Length of the eld to be transferred
from source.
destination Integer variable or array element Destination location of the bit eld
dbit Integer expression First bit in destination to which the
eld is transferred
Table 4-5 Function Extensions
Function Information Returned
SECNDS Elapsed time as a oating point value in seconds. This is an
intrinsic routine.
RAN The next number from a sequence of pseudo-random numbers.
This is not an intrinsic routine.