Hi, I hope you can help me understand the varargs facility. Say I am programming in ISO C including stdarg.h and I declare a function as so: void log_printf(const char* logfilename, const... C / C++ 5 quite simple question on calling functions by: Dave | last post by: doe...
Code like that isn’t common in C-style languages, but it is in the family of languages derived from ML. There, the normal way of defining a function that takes multiple arguments is as a series of nested functions. Each function takes one argument and returns a new function. That ...
Hi, jacob: You wrote (to complete the quoted material above): Where do you have that from? It is not in the C99 standard... Maybe in some other standard? I have no idea how Gregory Pietsch went about preparing his math.h or its "portable" implementation. The #define's above are ...
Hi, someone new to Zig chiming in, with some ideas: Coming from C, all I really would want from Zig are anonymous functions (not closures / no environment capturing), ideally as function-ptr expressions, ex.: const double_i32 = fn(x: i32) i32 { return x * 2; }; comptime { asse...
In programming, functions are named sections of a program that performs a specific task. In this sense, a function is a type of procedure or routine. When a function is called the program leaves the current section of code and begins to execute the first line inside the function. Whenever ...
functions function-construction evaluation programming syntax Robert Xu 51 asked Aug 24 at 7:28 4 votes 4 answers 465 views How to raise a vector to powers contained in a vector, change the list into a product, and do this for all the lines of a matrix, efficiently? I want to rais...
There are four varieties of Airy functions: Ai(z), Bi(z), Gi(z), and Hi(z). Of these, Ai(z) and Bi(z) are by far the most common, with Gi(z) and Hi(z) being encountered much less frequently. Airy functions commonly appear in physics, especially in optics
in Java. This is because both would be declared "var salary" and "private var salary", a clear conflict. Another way to think about would be "In order to access the private variable of some other class C with member m, you have to use an underscore as in C._m". We could then ...
functionfamilyName($fname,$year){echo"$fnameRefsnes. Born in$year";}familyName("Hege","1975");familyName("Stale","1978");familyName("Kai Jim","1983"); Try it Yourself » PHP Default Argument Value The following example shows how to use a default parameter. If we call the function...
How do I create a loop in a function to get a cin that is both a number and in a certain range, to return the value? Hi I need to create an int member function within a class that needs to display a menu and then prompts the user for a cin input that is both a number and ...