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What is the purpose of the `>=?` operator in C and why is it deprecated?

Linda Hamilton
Linda HamiltonOriginal
2024-11-01 16:27:31485browse

What is the purpose of the `>=?` operator in C   and why is it deprecated? 
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Understanding the Greater-Than-or-Equal-to-Assignment Operator (>=?) in C

In the context of a C library, a question arises regarding an operator denoted as ">?=". Speculation surrounds the purpose and functionality of this operator, as documentation appears scarce.

Decoding the Operator

The ">?=" operator, an extension specific to the g compiler, underwent removal in later versions (after GCC 4.2). Its functionality can be expressed as the assignment of the maximum value between its left-hand operand ("a") and its right-hand operand ("b") to "a". In essence, it executes the statement "a = max(a,b)".

Example:

<code class="cpp">int a = 5;
int b = 10;

a >?= b; // a is now 10, as it is the maximum value between a and b</code>

Similar Operator:

Alongside the ">?=" operator, a complementary operator exists, denoted as "

Deprecation

As mentioned, the ">?=" operator has been deprecated in newer versions of GCC. It is no longer supported and should not be relied upon in code.

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