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C/C++

C or C++ : Loss of precision

Classification

CWE
CWE-682

Overview

Loss of recision can occur when:

  1. A negative value is implicitly converted to an unsigned value in an assignment, comparison or multiplication.
  2. Assignment/initialization when source value is greater than the max value of target.

References

  1. Loss of significance ─ Wikipedia
  2. Precision of floating point numbers in C++
  3. CWE-682: Incorrect Calculation
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See also

C/C++

C or C++ : Dead store

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C or C++ : Use after free

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C or C++ : va_list uninitialized