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I want to know whether any program which is written using C programming language can be written using R programming language or not. I know that it is possible to call C code from R, but I want to know if I want to write every algorithm in R from scratch whether it is possible or not.
I want to know does R has all constructs required to implement all programs written in C lanuage?
Yes, both are Turing complete.
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Does Memory allocation in C is a machine dependent?
I want my program to be transferred from a UNIX system to another system without any problem.
As #mediocrevegetable1 said in the comments, as long as you use functions from the standard library, it should work. (But just make sure that you used an ANSI C compiler before, and to use an ANSI C compiler when compiling for another system. You can see Here a list of ANSI C compilers.)
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Here's the C representation of what I'm trying to do in RISC-V assembly:
printf ("x=%d\n", x);
https://godbolt.org/ is an interesting site. If you paste in c code, it can be transfered into others, such as RISC-V assembly. The sample c code is available from menie.org/georges/embedded/small_printf_source_code.html. It does work. Good luck.
Here is a very simple printf (actually only integers and strings and no advanced formatting)
https://godbolt.org/z/sgMVs7
It is not my code - it is tiny ptinf from the atolic studio. But it is a good base to implement something simple but more decent.
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I want to implement the Viterbi algorithm for decoding convolutional codes.
Would it be better to implement it using 2D arrays or using linked lists in C programming language.
I am a newbie in C and would appreciate any help regarding which method would be better with the specific reasons.
It's be better to implement it using 2D array since you have to access random index with a constant time complexity of O(1).
You can't access random index in linked lists with a constant time complexity of O(1).
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I want to have some information about (#include)
in the beginning of my C program.
What does this library do?I have search before and found nothing.....
#include is a preprocessor directive, not a library. You can read below Wikipedia page about it.
https://en.wikipedia.org/wiki/Include_directive
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I'm learning C. I wonder whether there is an instruction or command to recognize the type of the variable.
To be more practical: I have a program which works with integers, I want to show an error message if the user inserts a real number when running the program.
Hope you can help!
This is not part of the C standard, but GCC has the typeof keyword.
You have to be using the GCC compiler for it though.