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The best way I can explain this is to give you an example of code with no documentation. If there was documentation, you would be able to tell what this code did in a matter of seconds. Without it you could waste many minutes, or even hours, trying to understand it.
inline unsigned char f_1(const unsigned char *ptr, const unsigned int i) {
const div_t d = div(i, 8);
return (ptr[d.quot] & (1 << d.rem))?1:0;
}
inline void f_2(unsigned char *ptr, const unsigned int i) {
const div_t d = div(i, 8);
ptr += d.quot;
*ptr = *ptr | (1 << d.rem);
}
inline void f_3(unsigned char *ptr, const unsigned int i) {
const div_t d = div(i, 8);
const unsigned char n = 1 << d.rem;
ptr += d.quot;
*ptr = ((*ptr | n ) ^ n);
}
void f(const unsigned int n) {
const unsigned int m = n + (n%8==0?0:8-n%8);
const unsigned int n = m / 8;
const unsigned int m_2 = m / 2;
unsigned int i, j;
unsigned char *a = malloc(sizeof(unsigned char) * n);
memset(a, 0xaa, n);
f_3(a, 1);
f_2(a, 2);
for( i = 3; i < m_2; i+=2 ) {
while(i < m_2 && !f_1(a, i))
i+=2;
for( j = i + i; j < m; j+=i )
f_3(a, j);
}
free(a);
}
What else can I help you with?
What is the difference between user documentation and system documentation?
User documentation demonstrates how to best use the product. A system documentation is considered more of a user manual, which is very straightforward, with no opinion.
What is shipping documentation?
shipping documentation are the documents which are prepared to export all shipment.
What subjects are needed to update c plus plus?
You don't need any "subjects" (whatever that means). Simply read the documentation that came with the update.
What is the difference between Technical and user documentation?
User documentation is a method of communicating technical information to non-technical people to help them do something. (Rob McKilliam 1985)
What is the procedure for obtaining the required drawings job instructions and other related specifications?
What are the procedures for obtaining the necessary drawings and specifications
What documentation do I need to reside in an emergency shelter in Chicago?
You should not need any documentation to receive help from an emergency shelter.
What documentation do you need to vote?
your ID!
Do you need documentation to travel to Singapore?
no
What documentation you need to get a passaport?
You need your full birth certificate
If you been separated from your spouse but did it because of abuse do you need legal documentation for that?
If you been separated from your spouse but did it because of abuse do you need legal documentation for that?
If you are in work probation less then a month do you need any documentation?
WHAT kind of documentation? If you are asking whether you need to present proof that you are employed - yes you do.
Is the phrase Need more detail documentation correct in a sentence?
No. It lacks a subject. Also, "detail documentation" is obscure. Perhaps you mean detailed documentation.
What do borrowers need to provide when applying for no documentation loans?
Even though no documentation loans by definition do not require any documentation, the prospective applicant still needs to provide some proof of income.
Why does one need proper documentation for a business?
It is good practice for an organization/company to enforce proper documentation for its operations maintenance and sustenance purposes.
Do you need to be documented to be fingerprinted?
No finger printing is an extreme form of documentation
What documentation do you need to prove purchase without title?
Bill of Sale
What documentation does a teenager need to travel from Georgia to mexico?
Only a passport.
