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Intrinsic Functions
FORTRAN-80
TYPE
OF
}<'ORM
CATEGORY
FUNCTION
ARGUMENTS
FUNCTION
SIGN
(aI,
a2)
Sign
transfer
Transfer
sign
of
a2
to
al
Real Real
(note
5)
101M
(ai,
a2)
Positive
difference
Return
al-a2
if
>0;
Integer Integer
otherwise
0
DIM
(ai,
a2)
Positive
difference
Return
al-a2
if
>0;
Real Real
otherwise
0
MAXO
Laigest
value
Select largest
value
from
list
Integer Integer
(al,
...
,an)
AMAXI
Largest
value
Select largest
value
from
list Real Real
(al,
...
,an)
AMAXO
Largest
value
Select largest
value
from
list
Integer
Real
(al,
...
,an)
MAXI
Largest
value
Select largest
value
from
list Real
Integer
(al,
...
,an)
MINO Smallest
value
Select smallest
value
from
list
Integer Integer
(al,
...
,an)
AMINI
Smallest
value
Select smallest
value
from
list
Real Real
(al,
...
,an)
AMINO Smallest
value
Select smallest
value
from
list
Integer
Real
(al
....
,an)
MINI
Smallest
value
Select smallest
value
from
list Real
Integer
(al,
...
,an)
SQRT
(a)
Square
root
Return
-JOfor
a > 0
Real Real
EXP
(a)
Exponential
Return
e**a
Real Real
ALOG
(a)
Natural
logarithm
Return
log (a)
for
a>
0 Real Real
ALOGIO(a)
Common
logarithm
Return
log
\0
(a)
for
a>
0
Real Real
SIN
(a)
Sine
Return
sine
of
a
Real Real
(note
6)
COS
(a)
Cosine
Return
cosine
of
a
Real Real
(note
6)
TAN
(a)
Tangent
Return
tangent
of
a Real Real
(note
6)
ASIN
(a)
Arcsine
Return
arcsine
of
a Real
Real
(note
7)
ACOS
(a)
Arccosine
Return
arccosine
of
a
Real Real
(note
8)
ATAN
(a)
Arctangent
Return
arctangent
of
a Real
Real
(note
9)
ATAN2
(al,a2)
Arctangent
Return
arctangent
of
all
a2
Real Real
(note
9)
SINH
(a)
Hyperbolic
sine
Return
hyperbolic
sine
of
a Real Real
COSH
(a)
Hyperbolic
cosine
Return
hyperbolic
cosine
of
a
Real Real
TANH
(a)
Hyperbolic
tangent
Return
hyperbolic
tangent
of
a
Real
Real
B-2