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Results tagged with lookup
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user 3928
A lookup (table) is an array that replaces run-time computation with a simpler array indexing operation. The savings in terms of processing time can be significant, since retrieving a value from memory is often faster than undergoing an 'expensive' computation or input/output operation. Over time the definition has become less strict, any kind of searching with a key value can be considered a lookup.
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Algorithm (and tests) to parse lists of unsigned 32-bit ints from strings in C
Having tests is good. I recommend using a test framework, for example googletest.
You are obviously using C99 (otherwise parts of your code wouldn't compile). C99 does not require variable instantiat …
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