bit64 - 32 Basic arithmetic and logical operations on 64-bit data on bit systems#
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This library has its own demo,click this link to view the demo example of bit64
bit64.to32(data64bit)#
64bit Data to 32bit output
Parameters
Incoming Value Type |
Explanation |
|---|---|
string |
9 byte data |
Return Value
return value type |
explanation |
|---|---|
any |
Output int according to 64bit data or number |
Examples
None
bit64.to64(data32bit)#
32bit Data into 64bit data
Parameters
Incoming Value Type |
Explanation |
|---|---|
int/number |
32bit Data |
Return Value
return value type |
explanation |
|---|---|
string |
9 byte data |
Examples
None
bit64.show(a,type,flag)#
64bit Data is formatted to print as a string to display the value.
Parameters
Incoming Value Type |
Explanation |
|---|---|
string |
64-bit data that needs to be printed |
int |
Bis, 10=10, 16=16, default 10, only 10 or 16 |
boolean |
Whether shaping is printed in an unsigned manner, true is, false is not, default false, floating point ignore |
Return Value
return value type |
explanation |
|---|---|
string |
Values that can be printed |
Examples
None
bit64.plus(a,b,flag1,flag2)#
64bit Data addition, one of a B, a and B is floating point, according to floating point operation
Parameters
Incoming Value Type |
Explanation |
|---|---|
string |
a |
string/int/number |
b |
boolean |
Whether the shaping operation is unsigned, true is, false is not, the default is false, floating-point operation ignores |
boolean |
Whether the floating-point operation result should be forced to be converted into an integer, true is, false is not, the default is false, and the shaping operation is ignored. |
Return Value
return value type |
explanation |
|---|---|
string |
9 byte data |
Examples
None
bit64.minus(a,b,flag1,flag2)#
64bit Data subtraction, a-b one of a and B is floating point, according to floating point operation
Parameters
Incoming Value Type |
Explanation |
|---|---|
string |
a |
string/int/number |
b |
boolean |
Whether the shaping operation is unsigned, true is, false is not, the default is false, floating-point operation ignores |
boolean |
Whether the floating-point operation result should be forced to be converted into an integer, true is, false is not, the default is false, and the shaping operation is ignored. |
Return Value
return value type |
explanation |
|---|---|
string |
9 byte data |
Examples
None
bit64.multi(a,b,flag1,flag2)#
64bit Data multiplication, a * B, one of a and B is floating point, according to floating point operation
Parameters
Incoming Value Type |
Explanation |
|---|---|
string |
a |
string/int/number |
b |
boolean |
Whether the shaping operation is unsigned, true is, false is not, the default is false, floating-point operation ignores |
boolean |
Whether the floating-point operation result should be forced to be converted into an integer, true is, false is not, the default is false, and the shaping operation is ignored. |
Return Value
return value type |
explanation |
|---|---|
string |
9 byte data |
Examples
None
bit64.pide(a,b,flag1,flag2)#
64bit Data division, a/B, one of a and B is floating point, according to floating point operation
Parameters
Incoming Value Type |
Explanation |
|---|---|
string |
a |
string/int/number |
b |
boolean |
Whether the shaping operation is unsigned, true is, false is not, the default is false, floating-point operation ignores |
boolean |
Whether the floating-point operation result should be forced to be converted into an integer, true is, false is not, the default is false, and the shaping operation is ignored. |
Return Value
return value type |
explanation |
|---|---|
string |
9 byte data |
Examples
None
bit64.shift(a,b,flag)#
64bit Data displacement a>> B or a<<b
Parameters
Incoming Value Type |
Explanation |
|---|---|
string |
a |
int |
b |
boolean |
Displacement direction, true left <<,false right>>, default false |
Return Value
return value type |
explanation |
|---|---|
string |
9 byte data |
Examples
None
bit64.strtoll(data, base)#
Convert string to LongLong data
Parameters
Incoming Value Type |
Explanation |
|---|---|
string |
data to be transformed, must exist |
int |
Conversion, default 10, optional 16 or 8 |
Return Value
return value type |
explanation |
|---|---|
string |
9 byte data |
Examples
-- This API was added on 2023.10.27
-- Reminder, if the conversion fails, it returns 9 bytes.0x00
local data = bit64.strtoll("864040064024194", 10)
log.info("data", data:toHex())
log.info("data", bit64.show(data))