uint128 | uint128 provides a high-performance Uint128 type
kandi X-RAY | uint128 Summary
kandi X-RAY | uint128 Summary
uint128 provides a high-performance Uint128 type that supports standard arithmetic operations. Unlike math/big, operations on Uint128 values always produce new values instead of modifying a pointer receiver. A Uint128 value is therefore immutable, just like uint64 and friends. The name uint128.Uint128 stutters, so I recommend either using a "dot import" or aliasing uint128.Uint128 to give it a project-specific name. Embedding the type is not recommended, because methods will still return uint128.Uint128; this means that, if you want to extend the type with new methods, your best bet is probably to copy the source code wholesale and rename the identifier. ¯\_(ツ)_/¯.
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QUESTION
How do I read the data of contractA in contractB, if the data I want to read is an array of structs?
I want to get the data from in ContractA:
ANSWER
Answered 2022-Mar-06 at 22:22solved it by
- you want to implement the function getPopulatedTicksInWord of ContractA into your contractB, instead of just calling it from ContractB.
- mark it as internal
- dont test with input params that create a lot of calls, if using hardhat. it somehow can not deal with too many requests.
QUESTION
Is there a convenient way to visualize the Julia type tree? I know I can write a function for that...
...ANSWER
Answered 2022-Mar-18 at 17:00Use GraphRecipes:
QUESTION
Currently I got this abi:
...ANSWER
Answered 2022-Mar-10 at 18:10Specifying structs in the human-readable ABI format is still not supported in ethers.js. See https://github.com/ethers-io/ethers.js/issues/315
You would need to use the JSON ABI format: https://docs.ethers.io/v5/api/utils/abi/formats/#abi-formats--solidity
Alternatively, you work around it by returning an array of tuples:
QUESTION
How to add a 2d tuple to a 2d matrix in Julia?
...ANSWER
Answered 2022-Jan-21 at 03:04Ah, so the problem here is that, while you call t1 a "2d tuple", it is really not; it is a nested tuple, a tuple-of-tuples, and is thus not really comparable to your 2d array (which really is a two-dimensional object and not just an array-of-arrays).
If you want to add a two-dimensional array to an immutable object that can be stack-allocated like a Tuple while being truly two-dimensional, then you can use the StaticArrays.jl package, which provides the immutable SArray type:
QUESTION
For example, I have a function
...ANSWER
Answered 2021-Dec-23 at 14:48 --address 0:540c1837656674d548c934258ddec9b5fd11b543da977b0016c14b5650bc7eb5 \
--input '{ "point": { "color": "red", "center": { "x": 1, "y": 2 } } }'
QUESTION
I need a single variable which can store a 128-bit, unsigned integer. The largest type that Powershell recognizes, however, is UInt64. Is it possible to define a UInt128, or even UInt256 variable?
For context, I'm using Powershell 7.2.0.
...ANSWER
Answered 2021-Nov-24 at 11:06From your comments:
I want to find prime numbers within the Fibonacci sequence, which is why I need such a large integer size
For this, [bigint] (type accelerator for the System.Numerics.BigInteger type) is what you want - it doesn't have any upper boundary and is designed specifically for doing integer aritmetic with large values - exactly the kind of thing you need when hunting for primes!
[...] most Powershell functions, especially those in [Math], aren't made for BigInteger.
The good news is the [bigint] brings its own!
Here's how you could implement a simple (and slow) recursive Fibonacci generator with [bigint]:
QUESTION
I use gdb to inject random bitnflips into code. I choose an operand of an instruction, read the value, change one bit and write it back. This works well, except for the xmm registers.
If I write:
...ANSWER
Answered 2021-Sep-24 at 12:25I believe you want:
QUESTION
This should be an easy one but I can't find any documentation or prior Q&A on this. Using Julia to subset is easy especially with the @Chain command. But I haven't for the life of me figured out a way to subset on a date:
...ANSWER
Answered 2021-Sep-07 at 07:50Use:
QUESTION
I get incorrect results when I divide large integers of type UInt128. The error seems to occur about the same spot, significant figure wise, that a float64 will round its result. Using something simple, like dividing by 2, I can easily verify that I am not getting the correct answer. Also I can use BigInt types to verify that I am indeed seeing what seem to be significant figure errors while using UInt128 variable.
I am still fairly new to Julia and not familiar enough with the inner workings of the language to know why this is happening and when to expect these kinds of results. Can someone please give me some insight as to why/how this is occurring.
For example:
...ANSWER
Answered 2021-Aug-31 at 18:31Integer division in Julia promotes to Float64. you want to use div or ÷ for integer division.
For a very brief version of this, 3/2 = 1.5
QUESTION
I'm trying to do calculations with huge numbers. for example:
...ANSWER
Answered 2021-Apr-18 at 16:42To preserve precision, consider converting the BigInteger values to doubles first, then dividing after.
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