cast
Syntax
cast(X, Y) or X $ Y
Arguments
X can be of any data form.
Y is a data type or a data pair.
Details
convert a data type to another
reshape a matrix, or convert between matrices and vectors
Examples
$ x=8.9$INT;
$ x;
9
$ x=1..10;
$ x;
[1,2,3,4,5,6,7,8,9,10]
$ typestr x;
FAST INT VECTOR
$ x/2;
[0,1,1,2,2,3,3,4,4,5]
$ x=x$DOUBLE;
$ typestr x;
FAST DOUBLE VECTOR
$ x/2;
[0.5,1,1.5,2,2.5,3,3.5,4,4.5,5]
$ x=`IBM`MS;
$ typestr x;
STRING VECTOR
$ x=x$SYMBOL;
$ typestr x;
FAST SYMBOL VECTOR
$ x=`128.9;
$ typestr x;
STRING
$ x=x$INT;
$ x;
128
$ typestr x;
INT
// convert a vector to a matrix
$ m=1..8$2:4;
$ m;
0 |
1 |
2 |
3 |
|---|---|---|---|
1 |
3 |
5 |
7 |
2 |
4 |
6 |
8 |
// reshape a matrix
$ m$4:2;
0 |
1 |
|---|---|
1 |
5 |
2 |
6 |
3 |
7 |
4 |
8 |
$ m$1:size(m);
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
|---|---|---|---|---|---|---|---|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |