GRASS GIS 7 Programmer's Manual
7.8.0(2019)-exported
xbitnot.c
Go to the documentation of this file.
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#include <grass/gis.h>
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#include <grass/raster.h>
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#include <grass/calc.h>
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/****************************************************************
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bitnot(a) = ~a
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****************************************************************/
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int
f_bitnot
(
int
argc,
const
int
*argt,
void
**args)
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{
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CELL *res = args[0];
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CELL *arg1 = args[1];
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int
i;
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if
(argc < 1)
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return
E_ARG_LO;
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if
(argc > 1)
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return
E_ARG_HI;
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if
(argt[1] != CELL_TYPE)
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return
E_ARG_TYPE;
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if
(argt[0] != CELL_TYPE)
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return
E_RES_TYPE;
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for
(i = 0; i <
columns
; i++) {
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if
(IS_NULL_C(&arg1[i]))
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SET_NULL_C(&res[i]);
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else
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res[i] = ~arg1[i];
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}
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return
0;
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}
columns
int columns
Definition:
calc.c:12
f_bitnot
int f_bitnot(int argc, const int *argt, void **args)
Definition:
xbitnot.c:10
calc
xbitnot.c
Generated on Sat Sep 7 2019 07:31:16 for GRASS GIS 7 Programmer's Manual by
1.8.13