Weak typing in C allows type casting memory to different types. Since the internal representation of most types is system dependent, applying operations intended for data of one type to data of a different type will likely yield non-portable code and produce unexpected results.
Non-Compliant Code Example (
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Integers vs. Floats)
The following non-compliant code demonstrates the perils of operating on data of incompatible types. An attempt is made to increment an integer type cast to a floating point type, and a floating point cast to an integer type.
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int is 0, float is 0.000000 int is 1065353216, float is 0.000000 |
Compliant Solution (
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Integers vs. Floats)
In this compliant solution, the pointers are assigned to variables of compatible data types.
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