Author: Uri Blass
Date: 20:37:33 12/10/04
Go up one level in this thread
On December 10, 2004 at 23:26:10, Uri Blass wrote: >On December 10, 2004 at 22:55:01, Dann Corbit wrote: > >>On December 10, 2004 at 22:18:12, Uri Blass wrote: >> >>>On December 10, 2004 at 22:06:09, Andrew Platt wrote: >>> >>>>On December 10, 2004 at 21:21:10, Uri Blass wrote: >>>> >>>>>On December 10, 2004 at 20:41:06, Dann Corbit wrote: >>>>> >>>>>>Did you read this: >>>>>> >>>>>>How to integrate my probing code into your chess program >>>>>>======================================================== >>>>> >>>>>I did not but I still do not understand some things when I look at it >>>>>for example the function >>>>>SqFindKing (square *) >>>>> >>>>>What king does it find white or black and why does it need to get pointer to >>>>>square? >>>>>I can find the white king or black king with no pointers. >>>> >>>>Caveat: I haven't implemented it either but I think I can understand the >>>>specification clearly enough. Note there are two arrays, one for each color. The >>>>parameter 'square *' is simply one of those arrays. So it will look for the king >>>>in the array you pass. >>>> >>>>Andy. >>> >>>In this case I do not understand why it gets a pointer. >>> >>>getting a pointer is done when you think to change the value. >>>I see no reason to change the side to move so it could simply get side to move >>>as a paramater. >> >>In C and C++, an array reference always decays to a pointer in a function call. >> >>Have you seen this document: >>ftp://rtfm.mit.edu/pub/usenet-by-group/comp.lang.c/C-FAQ-list >> >>If you want to protect the value you can make it a pointer to const. >>You can also pass the whole array by value by wrapping it in a struct (which is >>not usually a good idea unless the array is small). > >You are right >I simply forgot that it gets an array because array is not needed to find the >square of the king (kingsquare[0] is the white king and kingsquare[1] is the >black king so I can get only one number and did not see the point of getting an >array). > >I guess that I need first to have function to calculate the array one for each >colour because I have not them in movei. >I have arrays for pieces of one type but not for all the white pieces. > >It is still not clear to me what array exactly I should give the function and >square* suggest that it should be array of squares but I do not see how array of >squares can be relevant only for one side because squares can be of black pieces >and of white pieces. > >Uri After looking at it again if I understand correctly th first step is to have function that translate a position to 2 array that give full information about the squares of the pieces and the type of the pieces. I guess that I could choose the size of the array and it is not important what is the size of them and what information are in them as long as I can get the information where is every piece of the relevant colour based on the array. Uri
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