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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /tools/jprof/intcnt.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/jprof/intcnt.cpp')
-rw-r--r-- | tools/jprof/intcnt.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tools/jprof/intcnt.cpp b/tools/jprof/intcnt.cpp new file mode 100644 index 0000000000..a87b6ccf74 --- /dev/null +++ b/tools/jprof/intcnt.cpp @@ -0,0 +1,69 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "intcnt.h" + +IntCount::IntCount() : numInts(0), iPair(nullptr) {} +IntCount::~IntCount() { delete[] iPair; } +int IntCount::getSize() { return numInts; } +int IntCount::getCount(int pos) { return iPair[pos].cnt; } +int IntCount::getIndex(int pos) { return iPair[pos].idx; } + +void IntCount::clear() { + delete[] iPair; + iPair = new IntPair[0]; + numInts = 0; +} + +int IntCount::countAdd(int index, int increment) { + if (numInts) { + // Do a binary search to find the element + int divPoint = 0; + + if (index > iPair[numInts - 1].idx) { + divPoint = numInts; + } else if (index < iPair[0].idx) { + divPoint = 0; + } else { + int low = 0, high = numInts - 1; + int mid = (low + high) / 2; + while (1) { + mid = (low + high) / 2; + + if (index < iPair[mid].idx) { + high = mid; + } else if (index > iPair[mid].idx) { + if (mid < numInts - 1 && index < iPair[mid + 1].idx) { + divPoint = mid + 1; + break; + } else { + low = mid + 1; + } + } else if (index == iPair[mid].idx) { + return iPair[mid].cnt += increment; + } + } + } + + int i; + IntPair* tpair = new IntPair[numInts + 1]; + for (i = 0; i < divPoint; i++) { + tpair[i] = iPair[i]; + } + for (i = divPoint; i < numInts; i++) { + tpair[i + 1] = iPair[i]; + } + ++numInts; + delete[] iPair; + iPair = tpair; + iPair[divPoint].idx = index; + iPair[divPoint].cnt = increment; + return increment; + } else { + iPair = new IntPair[1]; + numInts = 1; + iPair[0].idx = index; + return iPair[0].cnt = increment; + } +} |