Here, we are going to learn how to define macros –In this example, we are defining two Macros YES and NO by using #define preprocessor directive.
Here, we will learn about c programming macros, how to define and un define a macro, how and when macro expands?What is Macro?Macros are the names of text/ literal values/ string (constant values) or code fragment, which will expand when pre-processor processes the macro....
In addition to defining constants, the "define" directive can also be used to define macros. A macro is a piece of code that is replaced by its definition whenever it is encountered in the program. Macros can take arguments and can be used to create reusable code snippets. For example, ...
#define In C [转摘] Multi-Statement Macros It's common to write a macro that consists of multiple statements. For example, a timing macro: #defineTIME(name, lastTimeVariable) NSTimeInterval now = [[NSProcessInfo processInfo] systemUptime];if(lastTimeVariable) NSLog(@"%s: %f seconds", ...
Macros, as always, are optional. Cancel Vote up 0 Vote down Cancel 0 Vu Lam Dien over 15 years ago in reply to Non Keil Related But i don't want to use MCU to calculate vR3, vR2, vR1, let the Compiler do that, then just add the result of vR3, vR2, vR1 to the Del...
Preprocessor directives in C begin with the # symbol and are processed before the actual compilation of the code. The most common ones are #define, #include, #undef, macros, and conditional compilation. Key Topics: #define: Defining Constants ...
defineCPUMacros(Builder,"wasm",/*Tuning=*/false);if(SIMDLevel >= SIMD128) Builder.defineMacro("__wasm_simd128__");if(SIMDLevel >= UnimplementedSIMD128) Builder.defineMacro("__wasm_unimplemented_simd128__");if(HasNontrappingFPToInt) ...
This C tutorial explains how to use the #define preprocessor directive in the C language. In the C Programming Language, the #define directive allows the definition of macros within your source code.
Macros, as always, are optional. Cancel Up 0 Down Cancel 0 Vu Lam Dien over 14 years ago in reply to Non Keil Related But i don't want to use MCU to calculate vR3, vR2, vR1, let the Compiler do that, then just add the result of vR3, vR2, vR1 to the Delay() Routine...