I have the following code snippet: #ifdef DO_LOG #define log(p) record(p) #else #define log(p) #endif void record(char *data){
Does it mean search the previous folder for somefile.h or the project folder for somefile.h开发者_C百科?It means that look for somefile.h in the parent folder with respect to the source file where the
I am working with a unit-testing suite that hijacks function calls and tests expected output values. The normal layout requires one block of unit-testing code for each expected value.
#include<stdio.h> #include<conio.h> #define ABC 开发者_StackOverflow社区20 #define XYZ 10
That may be really simple but I\'m unable to find a good answer. How can I make a macro representing first a certain value and then a different one?
I w开发者_如何学Pythonant to make a simple macro with #define for returning the smaller of two numbers.
I\'m working with an embedded system, and I\'m ending up with a ton of HW-interfacing #define macros.I want to put all of these into a separate file (for OOP-ness), but I don\'t know the 开发者_开发百
Can you write preprocessor directives to return you a std::string or char*? For example: In case of integers:
I\'m trying to reduce the number of instructions and constant memory reads for a CUDA kernel. As a result, I have realised that I can pull out the tile sizes from constant memory and turn them into m
Macros are fine. Templates are fine. Pretty much whatever it works is fine. The example 开发者_JAVA技巧is OpenGL; but the technique is C++ specific and relies on no knowledge of OpenGL.
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