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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];Unlike diagnostics V533, and V534, this one deals with indexing errors only in loop bodies.
You can look at examples of errors detected by the V756 diagnostic. |
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