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See the recommended documentation of this function
BITCLEAR
Clear a Bit
Block Screenshot
Contents
Palette
Description
This block sets to 0 the specified bit of its input.
The user gives the bit index in the field Index of Bit
with index 0, as that of the least significant bit.The operation can be
summarized by this expression:
i.e. a bitwise AND between Input and
Mask, an integer of the same length as the input with a value
0 for the bit to clear and a value 1
for the other bits.
Data types
The block supports the following types :
Input : scalar. All Scilab's integer type (Data type parameter).
Output : same type and dimensions than input.
Dialog box
Data Type (3=int32 4=int16 5=int8 ...)
It indicates the integer type of the input (output) data : between 3 and 8.
Properties : Type 'vec' of size 1.
Index of Bit (0 is least significant)
It indicate the index of the bit to clear. The index must be, when the type is:
int32 or uint32: positive and less than 32.
int16 or uint16: positive and less than 16.
int8 or uint8: positive and less than 8.
Properties : Type 'vec' of size 1.
Default properties
always active: no
direct-feedthrough: yes
zero-crossing: no
mode: no
regular inputs:
- port 1 : size [1,1] / type 3
regular outputs:
- port 1 : size [1,1] / type 3
number/sizes of activation inputs: 0
number/sizes of activation outputs: 0
continuous-time state: no
discrete-time state: no
object discrete-time state: no
name of computational function: bit_clear_32
Interfacing function
Computational function
SCI/modules/scicos_blocks/src/c/bit_clear_32.c
SCI/modules/scicos_blocks/src/c/bit_clear_16.c
SCI/modules/scicos_blocks/src/c/bit_clear_8.c
See also
- BITSET — Set a Bit
- EXTRACTBITS — Bits Extraction
- LOGICAL_OP — Logical operation
Authors
Fady NASSIF - INRIA
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