From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- tools/jprof/intcnt.cpp | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 tools/jprof/intcnt.cpp (limited to 'tools/jprof/intcnt.cpp') 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; + } +} -- cgit v1.2.3