Boolean Array To Number Function

Requires: Base Development System

Converts a Boolean array to an integer or a fixed-point number by interpreting the array as the binary representation of the number. The first element of the array corresponds to the least significant bit in the number.

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Boolean array is a one-dimensional array of Boolean values. This function truncates Boolean array if it is too long. If Boolean array is too short, this function pads Boolean array according to the Sign Extension Mode you can select by right-clicking the function.

Never—This function pads Boolean array with Boolean FALSE bits.
If Output Is Signed—(default) For an output with an unsigned representation, this function pads Boolean array with Boolean FALSE bits. For an output with a signed representation, this function pads Boolean array with the last element of the array.
Always—This function pads Boolean array with the last element of the array.

number is an integer or a fixed-point number. You can change the numeric representation of number on the Output Configuration page of the Properties dialog box. Right-click the function and select Properties to display the Properties dialog box.

Boolean Array To Number Details

The following table shows the relationship between Boolean array and number.

Boolean array	Output Representation	Sign Extension Mode	Binary Value	number
{FALSE, TRUE}	I8	If Output Is Signed	11111110	-2
{FALSE, TRUE}	U8	If Output Is Signed	00000010	2
{FALSE, TRUE, FALSE, TRUE}	I8	Always	11111010	-6
{FALSE, TRUE, FALSE, TRUE}	I8	Never	00001010	10
{FALSE, FALSE, TRUE, FALSE, TRUE}	U8	If Output Is Signed	00010100	20
{FALSE, FALSE, TRUE, FALSE, TRUE}	U8	Always	11110100	244