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storing buffer in int array
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TerryDonahugh
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PostPosted: Thu Oct 25, 2007 6:52 am    Post subject: Reply with quote
nog_lorp wrote:
[...]
Anyhow, in the end this is quite silly.
Code:
char chararray[4];
int intarray[4];
intarray = (int*)chararray;


Voila. Although the values in intarray are still the ascii codes rather than in the 1-26 range.
[...]


That does not work. Int elements are usually 32 bits and char elements 8 bits. Since you are reinterpret casting the pointers the value of intarray[0] holds all 4 characters of chararray (intarray[1] and upwards are out of bounds). You can regard chars as signed 8 bit numbers so this whole casting malarkey is overkill.
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nog_lorp
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PostPosted: Thu Oct 25, 2007 1:56 pm    Post subject: Reply with quote
multi-brain fart on the sizeof(int) thing and the conversion functions ><.

Anywho, matrices weren't your problem because you weren't using matrices you were using multidimensional arrays. The "matrix multiplication" you were using WASN'T matrix multiplication.
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HomerSexual
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PostPosted: Thu Oct 25, 2007 1:58 pm    Post subject: Reply with quote
but its the fact that the intention was what is the equivalent of a matrix in algebra. Just because i wasn't doing it right doesn't mean it wasn't my intentions.

At any rate i finished it and its all good

Encode and Decode
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nog_lorp
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PostPosted: Thu Oct 25, 2007 2:16 pm    Post subject: Reply with quote
Congrats on finishing.
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