-c main.cpp -o out/main.o main.cpp: In function ‘void test_elog()’: main.cpp:80:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < sizeof(buf); i++) ^ gcc
Thelog10()function is defined in the<cmath>header file. Syntax One of the following: log10(doublenumber); log10(floatnumber); Parameter Values ParameterDescription numberRequired. Specifies the value to calculate the logarithm for. If the value is negative, it returns NaN (Not a Number). ...
-c main.cpp -o out/main.o main.cpp: In function‘void test_elog()’: main.cpp:80:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < sizeof(buf); i++) ^ gcc -I./easylogger/easylogger/inc -I./easylogger/source_code/inc -I...
[Mathematics] logex = log(x) [In C++ Programming]log() 原型 [从 C++ 11 标准开始]double log (double x); float log (float x); long double log (long double x); double log (T x); // For integral type参数:log() 函数采用 [0, ∞] 范围内的单个强制参数。如果该值小于零,log() ...
main.cpp: In function ‘void test_elog()’:main.cpp:80:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < sizeof(buf); i++) ^gcc -I./easylogger/easylogger/inc -I./easylogger/source_code/inc -I./easylogger/source_code/plugins/...
__FUNCTION__, __FUNCDNAME__, __FUNCSIG__: 表示所在函数的函数名的 char 字符串。例如,对于 void test_funcname_macro() 函数原型,它们的值如下: (1). __FUNCTION__ = test_funcname_macro: 函数的原始名/非修饰名 (undecorated) (2). __FUNCDNAME__ = ?test_funcname_macro@@YAXXZ: 函数的修饰...
In a C program, unless you're using the <tgmath.h> macro to call this function, log and log10 always take and return a double. If you use the <tgmath.h> log() macro, the type of the argument determines which version of the function is selected. See Type-generic math for details....
void MainWindow::on_pushButton_clicked(){ui->pushButton->setEnabled(false);QFuture<void> future = QtConcurrent::run([&](){while(1){QMutex mutex;QMutexLocker locker(&mutex);logger->info("&&&&&on_pushButton_clicked&&&&&&&",__FILE__,__FUNCTION__,QString::number(__LINE__));QThread...
g++ -I./easylogger/easylogger/inc -I./easylogger/source_code/inc -I./easylogger/source_code/plugins/file -O0 -g3 -Wall -Wall -I. -c main.cpp -o out/main.omain.cpp: In function ‘void test_elog()’:main.cpp:80:19: warning: comparison between signed and unsigned integer expressions...
cpp文件: DEFINE_LOG_CATEGORY(LogCustom); 头文件片段的语法是DECLARE_LOG_CATEGORY_EXTERN(CategoryName, DefaultVerbosity, CompileTimeVerbosity).DefaultVerbosity是在 ini 文件或命令行中未指定详细级别时使用的详细级别。不会记录任何比这更详细的内容。CompileTimeVerbosity是要在代码中编译的最大详细程度。任何比这更...