Variable size/Set: Difference between revisions
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Variable sizes are in chunks relating to the type of data that they contain. There may also be additional bytes of storage in the variable table that do not show in the dimensions. Typically, in ERRE strings are allocated in single characters (bytes), so C$[12] in the following example is stored as 12 bytes + additional bytes used for the header in the variable table. Integers are typically 2 bytes each, so A%[10] contains 10 numbers of 2 bytes (20 bytes in total) + additional bytes used for header data in the variable table. Floating point values are typically 4 bytes each, so B[10] holds 10 numbers of 4 bytes (40 bytes in total) + additional bytes for header in the variable table: |
Variable sizes are in chunks relating to the type of data that they contain. There may also be additional bytes of storage in the variable table that do not show in the dimensions. Typically, in ERRE strings are allocated in single characters (bytes), so C$[12] in the following example is stored as 12 bytes + additional bytes used for the header in the variable table. Integers are typically 2 bytes each, so A%[10] contains 10 numbers of 2 bytes (20 bytes in total) + additional bytes used for header data in the variable table. Floating point values are typically 4 bytes each, so B[10] holds 10 numbers of 4 bytes (40 bytes in total) + additional bytes for header in the variable table: |
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DIM A%[10] ! the array size is 10 integers |
<lang erre>DIM A%[10] ! the array size is 10 integers |
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DIM B[10] ! the array will hold 10 floating point values |
DIM B[10] ! the array will hold 10 floating point values |
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