![]() |
Prev | Next |
b =
x
Op
y
AD<
Base>
object.
The comparison has the same interpretation as for
the Base type.
Op | Meaning |
< | is x less than y |
<= | is x less than or equal y |
> | is x greater than y |
>= | is x greater than or equal y |
== | is x equal to y |
!= | is x not equal to y |
const
Type &
x
where Type is AD<
Base>
, Base, or int
.
const
Type &
y
where Type is AD<
Base>
, Base, or int
.
bool
b
bool
value
(not an AD of Base
object).
Thus it will not be recorded as part of an
AD of Base
operation sequence
.
For example, suppose
x and y are AD<
Base>
objects,
the tape corresponding to AD<
Base>
is recording,
b is true,
and the subsequent code is
if(
b )
y = cos(
x);
else
y = sin(
x);
only the assignment
y = cos(
x)
is recorded on the tape
(if x is a parameter
,
nothing is recorded).
The CompareChange
function can yield
some information about changes in comparison operation results.
You can use CondExp
to obtain comparison operations
that depends on the
independent variable
values with out re-taping the AD sequence of operations.
AD<
Base>
object,
it is assumed that the same operator is supported by the base type
Base.