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-rw-r--r--compiler-rt/lib/fuzzer/FuzzerRandom.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler-rt/lib/fuzzer/FuzzerRandom.h b/compiler-rt/lib/fuzzer/FuzzerRandom.h
index f475797871c..af8e1a4eb71 100644
--- a/compiler-rt/lib/fuzzer/FuzzerRandom.h
+++ b/compiler-rt/lib/fuzzer/FuzzerRandom.h
@@ -20,6 +20,11 @@ class Random : public std::mt19937 {
result_type operator()() { return this->std::mt19937::operator()(); }
size_t Rand() { return this->operator()(); }
size_t RandBool() { return Rand() % 2; }
+ size_t SkewTowardsLast(size_t n) {
+ size_t T = this->operator()(n * n);
+ size_t Res = sqrt(T);
+ return Res;
+ }
size_t operator()(size_t n) { return n ? Rand() % n : 0; }
intptr_t operator()(intptr_t From, intptr_t To) {
assert(From < To);
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