Nov 10, 2021 · nint and nuint are new keywords to represent value types that map to the already existing System.IntPtr and System.UIntPtr. These types are commonly used in interop scenarios, as their size depends on the runtime platform, that is they are 32 bits on 32 bit systems, and 64 bits on 64 bit systems.

Jun 11, 2021 · The first three lines of @Sommmen's link says it all: "Starting in C# 9.0, you can use the nint and nuint keywords to define native-sized integers. These are 32-bit integers when running in a 32-bit process, or 64-bit integers when running in a 64-bit process.

Aug 23, 2016 · The `round_x = nint(x*10d0)/10d0' operator rounds x (for abs(x) < 2**31/10, for large numbers use dnint()) and assigns the rounded value to the round_x variable for further calculations. As mentioned in the answers above, not all numbers with one significant digit after the decimal point have an exact representation, for example, 0.3 does not.

May 20, 2021 · nint is a C# v9 keyword that maps to IntPtr, the type that the runtime understands. Just like int maps to Int32 and string to String, etc. It is indeed not a simple alias like int, they removed the dangerous members like ToInt32(), ToPointer(), etc.

Only as completion to the existing answers I want to add an example how the commercial rounds can be realized without using NINT by. L = INT(F + 0.5) where L is INTEGER and F is a positive REAL number. I've found this in FORTRAN 77 code samples from the last century. Extending this to negative REAL numbers by. L = SIGN(1.0,F)*INT(ABS(F) + 0.5)

Mar 15, 2010 · In addition to constant-like static-readonly IntPtr/UIntPtr variables, you can use nint and nuint which are backed by IntPtr and UIntPtr, respectively. These types can have integer and unsigned integer values assigned to them and can also be defined as constants.

Feb 12, 2014 · One option is simply to use C# pointer types - this requires unsafe block (or modifier on method/class), and compiling with /unsafe:

Jun 24, 2022 · Basically, I'm trying to convert an object reference to a nint (IntPtr). They take up the same size in memory, so it should be possible in theory. They take up the same size in memory, so it should be possible in theory.

Aug 25, 2017 · Either use NINT() which is the nearest integer, or INT(). INT() only returns the signed integer part of a number. NINT() works as follows: If a is greater than zero, NINT(a) has the value INT(a+ 0.5); if a is less than or equal to zero, NINT(a) has the value INT(a- 0.5). Specifically NINT(0.5d0) = 1

@Noldorin True, but not necessarily reliable. In the past, there have been plenty of architectures that had multiple pointer types, and on Windows, IntPtr is also used to represent handles which are 32-bit regardless of architecture (though Size still says 8 in that case).