What is the Obsolete \'>?=\' Operator in C and How Does it Work?

?=" Operator in C and How Does it Work? " />?=" Operator in C and How Does it Work? " />

What Does the Obsolete ">?=" Operator in C Stand for?

In the context of a C BigInt library, a comment mentions the usage of ">?=" as a "g extension". This little-known operator has been removed in GCC versions 4.2 and above.

Explanation:

The ">?=" operator performs a conditional assignment based on the comparison of two values. Its syntax:

a >?= b

Functionality:

This operator does the following:

1. Compares the values of a and b.
2. If a is greater than or equal to b, it does nothing.
3. If a is less than b, it assigns the value of b to a.

Equivalent Code:

The functionally equivalent code for ">?=" is:

a = max(a, b);

Similar Operator:

There is also a comparable operator, ">?=", which works similarly:

a <?= b

This operator assigns the minimum value of a and b to a. It can be written as:

a = min(a, b);

In conclusion, ">?=" and "

The above is the detailed content of What is the Obsolete \'>?=\' Operator in C and How Does it Work?. For more information, please follow other related articles on the PHP Chinese website!