BITSET


Gets the value with a specified bit set, from a copied integer.

Syntax:
#define Bitset( value, bit_number ) ((value) or (Cast(TypeOf(Value), 1) shl (bit_number)))

Usage:
result = Bitset( value, bit_number )

Parameters:
value
The integer value.
bit_number
The index of the bit to set.

Return Value:
Returns the integer value with the specified bit set.

Description:
This macro expands to a copy of the integer value with the specified bit_number set (to on, or `1`). Behaves as `value Or (1 Shl bit_number)`.
To set a specified bit in a variable, the following assignment can be used: variable = Bitset( variable, bit_number )

The valid range of values for bit_number depends on the size, in bits, of `Typeof(value)`, which is `0` (from the lowest bit) through `Sizeof(value) * 8 - 1` (up to the highest bit). See Standard Datatype Limits for a table of the standard datatypes and their sizes.
For the bit_number values outside the valid range, the results of this macro are undefined.

Examples:
Print Bin(BitSet(&b10001,2))
Print BitSet(4, 0)
Print Hex(BitSet(1ull, 63))
will produce the output:

10101
 5
8000000000000001


Dialect Differences:
Differences from QB:
See also:

Back to Bit Manipulation
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