mswitch.c File Reference

#include "scicos_block.h"
#include <math.h>

Include dependency graph for mswitch.c:

Go to the source code of this file.

Defines
#define	max(a, b)   ((a) >= (b) ? (a) : (b))
#define	min(a, b)   ((a) <= (b) ? (a) : (b))
Functions
void	mswitch (scicos_block *block, int flag)

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Define Documentation

#define max	(	a,
		b		)	((a) >= (b) ? (a) : (b))

Definition at line 5 of file mswitch.c.

#define min	(	a,
		b		)	((a) <= (b) ? (a) : (b))

Definition at line 6 of file mswitch.c.

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Function Documentation

void mswitch	(	scicos_block *	block,
		int	flag
	)

Definition at line 9 of file mswitch.c.

References i, scicos_block::inptr, scicos_block::insz, int, scicos_block::ipar, j, max, min, scicos_block::nin, and scicos_block::outptr.

{
  int i,j;
  i=block->ipar[1];
  if (i==0) {
    if (*block->inptr[0]>0) {
      j=(int)floor(*block->inptr[0]);
    }else{
      j=(int)ceil(*block->inptr[0]);
    }
  }else if (i==1) {
    if (*block->inptr[0]>0) {
      j=(int)floor(*block->inptr[0]+.5);
    }else{
      j=(int)ceil(*block->inptr[0]-.5);
    }
  }else if (i==2) {
    j=(int)ceil(*block->inptr[0]);
  }else if (i==3) {
    j=(int)floor(*block->inptr[0]);
  }
  j=j+1-block->ipar[0];
  j=max(j,1);
  j=min(j,block->nin-1);
  for (i=0;i<block->insz[j];i++) {
    block->outptr[0][i]=block->inptr[j][i];
  }
}

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