Cosine algo, was Re: sqrt algo

[Dik T. Winter]

> for see something
>
> ----------------------------------------
> #include "kilo.h"

Sorry what follows is completely unreadable, and not C.

 

[cs]

Sorry what follows is completely unreadable, and not C.

in others words you don't know the answer
hint:
if x,y0 y1 is a number of digit x y0 y1 ({x,y0 y1}= 0,y0 y1)
arccos(cos[x,y0 y1]) in the set of numbers of 2 fractional digits is
not a number but a subset.

 

[Richard Heathfield]

cs said:

in others words you don't know the answer

Were it not for the missing header, "kilo.h", I'd have shown you why Dik's
claim that the code is not C is correct, by showing you my compilation
errors. As it is, the missing header has a certain fascination for my
compiler, and it simply won't move on.

 

[toby]

Dik's right, you know.

in others words you don't know the answer

....sound of jaw dropping...

--T

hint:
if x,y0 y1 is a number of digit x y0 y1 ({x,y0 y1}= 0,y0 y1)
arccos(cos[x,y0 y1]) in the set of numbers of 2 fractional digits is
not a number but a subset.

 

[Evenbit]

http://www.cpax.org.uk

You have a really cool website...it even complemented me on my browser
choice.

Nathan.

 

[Dik T. Winter]

>
> in others words you don't know the answer

Indeed, because I did not read it.

> hint:
> if x,y0 y1 is a number of digit x y0 y1 ({x,y0 y1}= 0,y0 y1)
> arccos(cos[x,y0 y1]) in the set of numbers of 2 fractional digits is
> not a number but a subset.

Yes? So what? I have explained already that for x close to 0 the error
in arccos(cos(x)) can be very large.

 

[Dik T. Winter]

> cs said:
>
> Were it not for the missing header, "kilo.h", I'd have shown you why Dik's
> claim that the code is not C is correct, by showing you my compilation
> errors. As it is, the missing header has a certain fascination for my
> compiler, and it simply won't move on.

I do not think there is a macro definition possible that makes the line:
os "atg(a)== " << arctg(b) << " ";
C code.

 

[cs]

Dik's right, you know.


...sound of jaw dropping...

jaw?

 

[cs]

Indeed, because I did not read it.

hint:
if x,y0 y1 is a number of digit x y0 y1 ({x,y0 y1}= 0,y0 y1)
arccos(cos[x,y0 y1]) in the set of numbers of 2 fractional digits is
not a number but a subset.

Yes? So what? I have explained already that for x close to 0 the error
in arccos(cos(x)) can be very large.

ok ok you are right