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Re: How to pass var pointer? [Re: DJBMASTER] #298575
11/16/09 04:08
11/16/09 04:08
Joined: Jan 2007
Posts: 2,247
Deutsch Niedersachsen
Puppeteer Offline OP
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Puppeteer  Offline OP
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void make_identity_matrix(var mat[][4]);
causes an syntax error...


Formally known as Omega
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Re: How to pass var pointer? [Re: Puppeteer] #298582
11/16/09 06:28
11/16/09 06:28
Joined: Mar 2006
Posts: 3,538
WA, Australia
J
JibbSmart Offline
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J

Joined: Mar 2006
Posts: 3,538
WA, Australia
Try void make_identity_matrix(var mat[][]);
It should be treated as a pointer to a pointer.

Jibb


Formerly known as JulzMighty.
I made KarBOOM!
Re: How to pass var pointer? [Re: JibbSmart] #298626
11/16/09 15:00
11/16/09 15:00
Joined: Jan 2007
Posts: 2,247
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Puppeteer  Offline OP
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syntax error...
i remember it worked like that STIRNG** but this doesnt seem to work neither...
EDIT var** works only vor arrays with one dimension

Last edited by Puppeteer; 11/16/09 15:01.

Formally known as Omega
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Re: How to pass var pointer? [Re: Puppeteer] #298681
11/16/09 22:02
11/16/09 22:02
Joined: Mar 2006
Posts: 3,538
WA, Australia
J
JibbSmart Offline
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J

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Posts: 3,538
WA, Australia
Try this:
Code:
void make_identity_matrix(var *mat)
{
   int i,j; 
   for( i= 0 ; i< 4 ; i++ )
	for( j= 0 ; j< 4 ; j++ )
	{
		if(i==j)
		{
			mat[i * 4 + j]=1;
		}
		else
		{
			mat[i * 4 + j]=0;
		}
	}
}


It seems Lite-C doesn't support passing multi-dimensional arrays at all (my line before wouldn't have worked whether it was Lite-C or ANSI C, but Sepiantum's should've). Here we treat the array as a 1-dimensional array.

Jibb


Formerly known as JulzMighty.
I made KarBOOM!
Re: How to pass var pointer? [Re: JibbSmart] #298689
11/16/09 22:43
11/16/09 22:43
Joined: Jan 2007
Posts: 2,247
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Puppeteer  Offline OP
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I already have a better work around:
Code:
/* Matrix struct */
typedef struct {
	var m[4][4];
} xmatrix;

void make_identity_matrix(xmatrix* mat)
{
	mat.m[0][0]=156;
}




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