# "vba is bit set in integer" Code Answer's

You're definitely familiar with the best coding language VBA that developers use to develop their projects and they get all their queries like "vba is bit set in integer" answered properly. Developers are finding an appropriate answer about vba is bit set in integer related to the VBA coding language. By visiting this online portal developers get answers concerning VBA codes question like vba is bit set in integer. Enter your desired code related query in the search bar and get every piece of information about VBA code related question on vba is bit set in integer.

By Excel Hero on May 27, 2020
``````'VBA function to create a bitmask in a Long Integer:

Dim i&, n&, m
For i = 0 To UBound(a)
If i > 31 Then Exit Function
m = a(i)
If m <> 0 Then
If Len(m) Then
End If
End If
Next
End Function

'-----------------------------------------------------------------------------

'-----------------------------------------------------------------------------

'The above function is fast. But for the fastest possible native code,
'exponentiation (slow) can be optimized, by a lookup table. The following
'function uses the ShiftLeft() function, which is highly optimized. It is
'literally a hundred times faster:

Dim i&, n&, m
For i = 0 To UBound(a)
If i > 31 Then Exit Function
m = a(i)
If m <> 0 Then
If Len(m) Then
End If
End If
Next
End Function

Function ShiftLeft&(ByVal n&, Optional ByVal shifts& = 1)
Dim d&
Select Case shifts
Case 1:  d = 2& * (n And 1073741823): If n And 1073741824 Then d = d Or &H80000000
Case 2:  d = 4& * (n And 536870911):  If n And 536870912 Then d = d Or &H80000000
Case 3:  d = 8& * (n And 268435455):  If n And 268435456 Then d = d Or &H80000000
Case 4:  d = 16& * (n And 134217727): If n And 134217728 Then d = d Or &H80000000
Case 5:  d = 32& * (n And 67108863):  If n And 67108864 Then d = d Or &H80000000
Case 6:  d = 64& * (n And 33554431):  If n And 33554432 Then d = d Or &H80000000
Case 7:  d = 128& * (n And 16777215): If n And 16777216 Then d = d Or &H80000000
Case 8:  d = 256& * (n And 8388607):  If n And 8388608 Then d = d Or &H80000000
Case 9:  d = 512& * (n And 4194303):  If n And 4194304 Then d = d Or &H80000000
Case 10: d = 1024& * (n And 2097151): If n And 2097152 Then d = d Or &H80000000
Case 11: d = 2048& * (n And 1048575): If n And 1048576 Then d = d Or &H80000000
Case 12: d = 4096& * (n And 524287):  If n And 524288 Then d = d Or &H80000000
Case 13: d = 8192& * (n And 262143):  If n And 262144 Then d = d Or &H80000000
Case 14: d = 16384& * (n And 131071): If n And 131072 Then d = d Or &H80000000
Case 15: d = 32768 * (n And 65535):   If n And 65536 Then d = d Or &H80000000
Case 16: d = 65536 * (n And 32767&):  If n And 32768 Then d = d Or &H80000000
Case 17: d = 131072 * (n And 16383&): If n And 16384& Then d = d Or &H80000000
Case 18: d = 262144 * (n And 8191&):  If n And 8192& Then d = d Or &H80000000
Case 19: d = 524288 * (n And 4095&):  If n And 4096& Then d = d Or &H80000000
Case 20: d = 1048576 * (n And 2047&): If n And 2048& Then d = d Or &H80000000
Case 21: d = 2097152 * (n And 1023&): If n And 1024& Then d = d Or &H80000000
Case 22: d = 4194304 * (n And 511&):  If n And 512& Then d = d Or &H80000000
Case 23: d = 8388608 * (n And 255&):  If n And 256& Then d = d Or &H80000000
Case 24: d = 16777216 * (n And 127&): If n And 128& Then d = d Or &H80000000
Case 25: d = 33554432 * (n And 63&):  If n And 64& Then d = d Or &H80000000
Case 26: d = 67108864 * (n And 31&):  If n And 32& Then d = d Or &H80000000
Case 27: d = 134217728 * (n And 15&): If n And 16& Then d = d Or &H80000000
Case 28: d = 268435456 * (n And 7&):  If n And 8& Then d = d Or &H80000000
Case 29: d = 536870912 * (n And 3&):  If n And 4& Then d = d Or &H80000000
Case 30: d = 1073741824 * (n And 1&): If n And 2& Then d = d Or &H80000000
Case 31: If n And &H1& Then d = &H80000000 Else d = &H0&
Case 0:  d = n
End Select
ShiftLeft = d
End Function
``````

11

### excel vba binary from byte value

By Excel Hero on May 23, 2020
``````Public Function ByteToBits\$(ByVal n&)
ByteToBits = "00000000"
If n And 1 Then MidB\$(ByteToBits, 15) = "1"
If n And 2 Then MidB\$(ByteToBits, 13) = "1"
If n And 4 Then MidB\$(ByteToBits, 11) = "1"
If n And 8 Then MidB\$(ByteToBits, 9) = "1"
If n And 16 Then MidB\$(ByteToBits, 7) = "1"
If n And 32 Then MidB\$(ByteToBits, 5) = "1"
If n And 64 Then MidB\$(ByteToBits, 3) = "1"
If n And 128 Then MidB\$(ByteToBits, 1) = "1"
End Function

'------------------------------------------------------------------------------

MsgBox ByteToBits(0)		'<--displays: 00000000
MsgBox ByteToBits(170)		'<--displays: 10101010
MsgBox ByteToBits(255)		'<--displays: 11111111``````

9

### excel vba long to bits

By Excel Hero on May 27, 2020
``````Function LongToBits\$(ByVal n&)
Dim i&
LongToBits = "00000000000000000000000000000000"
If n And &H80000000 Then
Mid\$(LongToBits, 1, 1) = "1"
n = n And Not &H80000000
End If
For i = 32 To 2 Step -1
If n And 1 Then Mid\$(LongToBits, i, 1) = "1"
n = n \ 2
Next
End Function

'------------------------------------------------------------------------------

MsgBox ByteToBits(0)			'<--displays: 00000000000000000000000000000000
MsgBox LongToBits(293781237)	'<--displays: 00010001100000101011111011110101
MsgBox ByteToBits(-1)			'<--displays: 11111111111111111111111111111111
``````

7

### vba is bit set in integer

By Excel Hero on Feb 05, 2021
``````'Extremely fast VBA function to test if a specified bit is set
'within a 16-bit Integer.

'Bits are numbered from 0 to 15, so the first (least significant) bit
'is bit 0.

'Note: we do not inspect bit 15, the sign bit.

Function IntegerBitIsSet(theInteger%, bit As Byte) As Boolean
Static i&, b%()
If (Not Not b) = 0 Then
ReDim b(0 To 14)
For i = 0 To 14
b(i) = 2 ^ i
Next
End If
If bit < 15 Then IntegerBitIsSet = theInteger And b(bit)
End Function

'------------------------------------------------------------------
MsgBox IntegerBitIsSet(255, 7)      '<--displays: True
MsgBox IntegerBitIsSet(230, 0)      '<--displays: False
MsgBox IntegerBitIsSet(16384, 14)   '<--displays: True
MsgBox IntegerBitIsSet(-16383, 0)   '<--displays: True

``````

22

### vba bits to byte

By Excel Hero on Feb 03, 2021
``````'Extremely fast VBA function to convert a binary string to a Byte:

Function BitsToByte(bits\$) As Byte
Dim i&
Static b() As Byte
If LenB(bits) > 16 Then Exit Function
If LenB(bits) = 16 Then
b = bits
Else
b = String\$(8 - Len(bits), "0") & bits
End If
For i = 0 To 14 Step 2
BitsToByte = 2 * BitsToByte Or (b(i) Xor 48)
Next
End Function

'Example:

MsgBox BitsToByte("00001100")		'<--displays: 12
MsgBox BitsToByte("10000001")		'<--displays: 129
'
'
'
``````

31

### excel vba set bit in byte

By Excel Hero on Feb 05, 2021
``````'Extremely fast VBA function to test if a specified bit is set
'within a Byte.

'Bits are numbered from 0 to 7, so the first (least significant) bit
'is bit 0.

Function ByteBitIsSet(theByte As Byte, bit As Byte) As Boolean
Static i&, b() As Byte
If (Not Not b) = 0 Then
ReDim b(0 To 7)
For i = 0 To 7
b(i) = 2 ^ i
Next
End If
If bit < 8 Then ByteBitIsSet = theByte And b(bit)
End Function

'------------------------------------------------------------------
MsgBox ByteBitIsSet(255, 7)      '<--displays: True
MsgBox ByteBitIsSet(230, 0)      '<--displays: False

``````