CodeQL library for C/C++
codeql/cpp-all 0.12.9 (changelog, source)
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Predicate varMinVal

Gets the minimum value that this variable could represent, based on its type.

For example, if v has a signed 32-bit type then the result is -2^31.

Import path

import semmle.code.cpp.rangeanalysis.RangeAnalysisUtils
float varMinVal(Variable v)