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- Dictionaryunspecified/ʌnˈspɛsɪfʌɪd/
adjective
- 1. not stated clearly or exactly: "an unspecified number of people"
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Nov 22, 2021 · 3.4.4 1 unspecified behavior use of an unspecified value, or other behavior where this International Standard provides two or more possibilities and imposes no further requirements on which is chosen in any instance. 2 EXAMPLE An example of unspecified behavior is the order in which the arguments to a function are evaluated.
Mar 16, 2014 · You cannot initialize an array at compile-time if you are determining the size at run-time. But depending on what you are trying to do, a non-const pointer to const data may provide you with what you're going for. const char * pArray = new const char[determine_size()]; A more complete example: int determine_size() {.
May 26, 2017 · In short: Undefined behaviour: this is not okay to do. Unspecified behaviour: this is okay to do, but the result could be anything*. Implementation-defined behaviour: this is okay to do, the result could be anything* but the compiler manual should tell you. Or, in quotes from the C++ standard (N4659 section 3, Terms and Definitions):
1. My question is how to define unspecified constants in Coq. To make clear what I mean, assume the following toy system: I want to define a function f:nat->nat, which has the value 0 at all but one place w, where it has the value 1. The place w shall be a parameter of the system. All proofs of the system can assume that w is fixed but arbitrary.
Apr 12, 2012 · I want to be able to 'build' a numpy array on the fly, I do not know the size of this array in advance. For example I want to do something like this: a= np.array() for x in y: a.append(x) W...
Jul 29, 2020 · How do we define a non-standard model of natural numbers in ZFC, including predecessor operations? Do mathematicians care about the validity ("truth") of the axioms? more hot questions
Mar 7, 2015 · If the RnRS standard says that a return value is unspecified it means that different implementations are free to return whatever value they like. Pratically it means "don't use the value returned. The implementation, you use, have chosen to make a concrete value named the unspecified value. It is printed #<unspecified>.
Apr 3, 2013 · You should use a List for something like this, not an array. As a general rule of thumb, when you don't know how many elements you will add to an array before hand, use a List instead.
Aug 24, 2013 · C standards define UsB, UB and IDB in a way that can be summarized as follows: Unspecified Behavior (UsB) This is a behavior for which the standard gives some alternatives among which the implementation must choose, but it doesn't mandate how and when the choice is to be made. In other words, the implementation must accept user code triggering ...
This can be done by using a pointer, and allocating memory on the heap using malloc. Note that there is no way to later ask how big that memory block is. You have to keep track of the array size yourself. #include <stdio.h>. #include <stdlib.h>. #include <string.h>. int main(int argc, char** argv) {.
