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V6017. The 'X' counter is not used insi…
Analyzer diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
MISRA errors
AUTOSAR errors
Additional information
Contents

V6017. The 'X' counter is not used inside a nested loop. Consider inspecting usage of 'Y' counter.

May 04 2018

The analyzer detected a possible error in two or more nested 'for' loops, when the counter of one of the loops is not used because of a typo.

Consider the following synthetic example of incorrect code:

for (int i = 0; i < N; i++)
   for (int j = 0; j < M; j++)
          sum += matrix[i][i];

The programmer wanted to process all the elements of a matrix and find their sum but made a mistake and wrote variable 'i' instead of 'j' when indexing into the matrix.

Fixed version:

for (int i = 0; i < N; i++)
   for (int j = 0; j < M; j++)
          sum += matrix[i][j];
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