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mri_histoshort.c File Reference
#include "mrilib.h"Go to the source code of this file.
Defines | |
| #define | NUM_SHORT 65536 |
| #define | OFF_SHORT 32768 |
Functions | |
| void | mri_histoshort_all (MRI_IMAGE *im, int *hist) |
| void | mri_histoshort_nonneg (MRI_IMAGE *im, int *hist) |
Define Documentation
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Definition at line 5 of file mri_histoshort.c. Referenced by mri_histoshort_all(). |
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Definition at line 6 of file mri_histoshort.c. Referenced by mri_histoshort_all(), and mri_histoshort_nonneg(). |
Function Documentation
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Definition at line 10 of file mri_histoshort.c. References ENTRY, MRI_IMAGE::kind, MRI_SHORT_PTR, NUM_SHORT, MRI_IMAGE::nvox, and OFF_SHORT.
00011 {
00012 register int ih , npix , ii ;
00013 short * sar ;
00014
00015 ENTRY("mri_histoshort_all") ;
00016
00017 if( im == NULL || im->kind != MRI_short || hist == NULL ) EXRETURN ;
00018
00019 npix = im->nvox ;
00020 sar = MRI_SHORT_PTR(im) ;
00021
00022 for( ih=0 ; ih < NUM_SHORT ; ih++ ) hist[ih] = 0 ;
00023
00024 for( ii=0 ; ii < npix ; ii++ )
00025 hist[ sar[ii]+OFF_SHORT ] ++ ;
00026
00027 EXRETURN ;
00028 }
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Definition at line 32 of file mri_histoshort.c. References ENTRY, MRI_IMAGE::kind, MRI_SHORT_PTR, MRI_IMAGE::nvox, and OFF_SHORT.
00033 {
00034 register int ih , npix , ii ;
00035 short * sar ;
00036
00037 ENTRY("mri_histoshort_nonneg") ;
00038
00039 if( im == NULL || im->kind != MRI_short || hist == NULL ) EXRETURN ;
00040
00041 npix = im->nvox ;
00042 sar = MRI_SHORT_PTR(im) ;
00043
00044 for( ih=0 ; ih < OFF_SHORT ; ih++ ) hist[ih] = 0 ;
00045
00046 for( ii=0 ; ii < npix ; ii++ )
00047 if( sar[ii] >= 0 ) hist[ sar[ii] ] ++ ;
00048
00049 EXRETURN ;
00050 }
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