-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 -...
执行make: 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.o main.cpp: In function ‘void test_elog()’: main.cpp:80:19: warning: comparison between signed and unsigned inte...
C++ log()用法及代码示例C++ 中的log() 函数返回参数的自然对数(base-e 对数)。该函数在<cmath> 头文件中定义。[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 ...
-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...
The log() function returns the natural logarithm of a number.The log() function is defined in the <cmath> header file.The natural logarithm is the logarithm with base e. The value of e is approximately 2.718282. Some implementations of the <cmath> library include a constant M_E but it...
OverrideSkuWa();+ ALOGE("test ALOGE debug in %s", __func__);+ GMM_DPF(GFXDBG_NORMAL,"test wrap ALOGE%s-->\n", __FUNCTION__); pGmmGlobalContext->pPlatformInfo = GmmLib::PlatformInfo::Create(Platform,false); diff--git a/Source/GmmLib/inc/External/Common/GmmDebug.h b/Source/GmmLib...
cpp-functionscpp-mathprogramming-language算法 log2() function in C++ with Examples使用C++中cmath头文件的函数log2()以传递参数的底数 2 求对数值。语法:log2(x)参数:该函数取一个值x,在[0, ∞]范围内,其log值被找到。返回类型:根据以下条件返回对数值,为double、float或long double类型:...
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...
By default, this function's global state is scoped to the application. To change this behavior, seeGlobal state in the CRT. Requirements RoutineRequired header log,logf,logl,log10,log10f,log10l<math.h> logmacro<tgmath.h> For more compatibility information, seeCompatibility. ...
RollingFileAppender.cpp /* FileAppender和RollingFileAppender是log4cpp中最常用的两个Appender,其功能是将日志写入文件中。 它们之间唯一的区别就是前者会一直在文件中记录日志(直到操作系统承受不了为止),而后者会在文件长度到 达指定值时循环记录日志,文件长度不会超过指定值(默认的指定值是10M byte)。