135 lines
3.1 KiB
C++
Executable File
135 lines
3.1 KiB
C++
Executable File
// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
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/*
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* Copyright 2013 ZXing authors All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __ZXING_H_
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#define __ZXING_H_
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#define ZXING_ARRAY_LEN(v) ((int)(sizeof(v)/sizeof(v[0])))
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#define ZX_LOG_DIGITS(digits) \
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((digits == 8) ? 3 : \
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((digits == 16) ? 4 : \
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((digits == 32) ? 5 : \
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((digits == 64) ? 6 : \
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((digits == 128) ? 7 : \
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(-1))))))
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#ifndef ZXING_DEBUG
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#define ZXING_DEBUG 0
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#endif
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namespace zxing {
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typedef char byte;
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typedef bool boolean;
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}
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#include <limits>
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#if defined(_WIN32) || defined(_WIN64)
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#include <float.h>
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namespace zxing {
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inline bool isnan(float v) { return _isnan(v) != 0; }
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inline bool isnan(double v) { return _isnan(v) != 0; }
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inline float nan() { return std::numeric_limits<float>::quiet_NaN(); }
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}
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#else
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#include <cmath>
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namespace zxing {
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inline bool isnan(float v) { return std::isnan(v); }
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inline bool isnan(double v) { return std::isnan(v); }
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inline float nan() { return std::numeric_limits<float>::quiet_NaN(); }
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}
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#endif
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#if ZXING_DEBUG
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#include <iostream>
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#include <string>
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using std::cout;
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using std::cerr;
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using std::endl;
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using std::flush;
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using std::string;
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using std::ostream;
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#if ZXING_DEBUG_TIMER
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#include <sys/time.h>
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namespace zxing {
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class DebugTimer {
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public:
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DebugTimer(char const* string_) : chars(string_) {
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gettimeofday(&start, 0);
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}
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DebugTimer(std::string const& string_) : chars(0), string(string_) {
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gettimeofday(&start, 0);
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}
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void mark(char const* string) {
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struct timeval end;
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gettimeofday(&end, 0);
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int diff =
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(end.tv_sec - start.tv_sec) * 1000 * 1000 + (end.tv_usec - start.tv_usec);
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cerr << diff << " " << string << '\n';
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}
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void mark(std::string string) {
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mark(string.c_str());
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}
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~DebugTimer() {
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if (chars) {
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mark(chars);
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}
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else {
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mark(string.c_str());
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}
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}
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private:
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char const* const chars;
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std::string string;
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struct timeval start;
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};
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}
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#define ZXING_TIME(string) DebugTimer __timer__ (string)
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#define ZXING_TIME_MARK(string) __timer__.mark(string)
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#endif
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#endif // ZXING_DEBUG
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#ifndef ZXING_TIME
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#define ZXING_TIME(string) (void)0
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#endif
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#ifndef ZXING_TIME_MARK
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#define ZXING_TIME_MARK(string) (void)0
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#endif
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#endif
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