This question already has answers here:
Closed 10 years ago.
Possible Duplicate:
C++ R - tree implementation wanted
I've been hunting just about all evening...
Anyone know of a R*-Tree implementation that builds on a modern C compiler?
Thanks,
Chenz
SQLite's R* Tree might interest you. It is under public domain or such free license and builds with gcc.
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Is there an equivalent in C for C++ templates?
(7 answers)
Closed 4 years ago.
I've previously worked with C but I'm still a major newby in general.
Currently I'm working on a little project that involves Parallel Computing and for this we are using the language Cilk+.
My objective is to implement a parallel scan pattern using Cilk+ and I've found this reference to the subject, but I don't understand half of the notations on it.
Does C have templates? I thought only C++ had them.
If yes, how do they work? I've found nothing regarding the subject.
If not, then can someone explain me what line 1 and 5 mean?
Thank you in advance!
C does not have templates. C++ does.
Line 1 is using C++ templates.
Line 5 is not standard C or C++. It is part of the Cilk Plus extension.
If this is a new project, you may way to avoid Cilk Plus. It's officially deprecated. Intel is encouraging everyone to switch to OpenMP or TBB instead.
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How can I view the source code for a function?
(13 answers)
Closed 9 years ago.
I would like to how to view source code of compiled C code in R.
I am looking for C code for package "nlm"; the corresponding compiled C code is "C_nlm".
I am new to R, so please suggest your inputs in a basic way.
Thanks
Take a look here in this R News article about sources
Also some googling around, I found references that the functionality you are looking for is in:
src/main/optimize.c
This question already has answers here:
Closed 11 years ago.
Possible Duplicate:
Good STL-like library for C
Are there any open source C libraries with common data structures?
Is there a "standard" library that C programmers use for frequently-used data structures (hash/tree-based sets/maps, heaps, etc.)? Or is there no single, well-known implementation?
(Something kind of like Boost for C++?)
See GLib or APR (Apache Portable Runtime) library, they are the most well-known C libraries for data structures.
http://developer.gnome.org/glib
http://apr.apache.org
This question already has answers here:
Closed 11 years ago.
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Undefined Behavior and Sequence Points
Which 'C' compiler gives the logically correct answers... I mean Turbo C older version or the newer one named as Borland cpp 4.5 and above?
The different outputs of the question { int i=5;printf(i++*++i);} made me ask this.
No C compiler will give a correct answer.
The most correct answer would be to detect nonsense of this kind and refuse to compile it with an error message.
This question already has answers here:
Closed 11 years ago.
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How to code a compiler in C?
How would I start writing a compiler from scratch (no Flex or Bison or Lex or Yacc) in C? I have a language that I wrote an interpreter for, and it's kind of like Forth. Sort of. It takes in symbols and interprets them one at a time, using a stack.
How would I make a compiler?
That wasn't a particularly spammy bit; just to show people the syntax and simplicity.
http://github.com/tekknolagi/StackBased
Simple!
You tokenize the input.
You build a proper representation of it, generally this is an Abstract Syntax Tree, but that is not required.
You perform any tree transformations you may require (optional).
You generate the code by walking the tree.
You link any disparate portions together (optional)
Flex and Bison help with stage 1 and 2, everything else is up to you. If you're still stuck, I suggest going through "Programming Language Pragmatics" or The Dragon Book.