# vhdl ceil and floor

find ceil and floor functions with take in REAL numbers and return

If you are trying to synthesize a number that is less than 1, I would

constant one: Integer := natural(ceil(real(7)/real(2)));

The correct way for your example would be

are using do not have a ceil function defined for it. The function

byDavid Bishop Sat, 15 Sep 2007 21:36:02 GMT

Sat, 15 Sep 2007 19:50:36 GMT

constant one: Integer := ceil(7/ 2);

In ieee.math_real ceil takes a real as the input parameter and returns a

It just takes the integer value. In the math_real package you will

constant one: Integer := natural(ceil(7.0/2.0));

8.Why no Floor for fixed point types

6.Mr. Nozzle M-200-SB Wet/Dry Vac Floor Tool Kit

function CEIL (X : real ) return real;

declaration for ceil in the ieee.math_real package.

5.Ceiling and Floor?Just a quick question this time, how can I do the equivalent in Forth? ceil( n / 3.0 ) or floor( n / 3.0 ) This divides the number by 3, and then rounds up/down to the nearest integer. -Patrick

Yes, you can. The errors youre getting are because the data types that you

1.Ceil double problemWhy do I get NO as result from this ?? double du = (double)3.1415; du = ceil(du); if(du == (double)4) printf(YES\n); else printf(NO\n);

byzlotawy Sat, 15 Sep 2007 19:53:32 GMT

real numbers (which are the integer values).

real type. Since youd like to use integers you simply need to cast them

I not generateconstatnt by ceil function?

And i receive error: ceil can not have such operands in this context.. Can

Uzytkownik David Bishop napisal w wiadomosci

byKJ Sat, 15 Sep 2007 23:35:56 GMT

recommend that you try a fixed point number.

byzlotawy Sat, 15 Sep 2007 22:48:22 GMT

hmm.. thanks but i can not use it.. 🙁

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