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ggidev-inc_3

ggidev-inc_3

Section: GGI (3) Updated: 2006-12-30
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NAME

ggidev-inc_3, ggidev-dec_3, ggidev-negate_3, ggidev-abs_3 - Unary arithmetic triple-int operations  

SYNOPSIS

#include <ggi/internal/triple-int.h>

unsigned *inc_3(unsigned x[3]);
unsigned *dec_3(unsigned x[3]);

unsigned *negate_3(unsigned x[3]);
unsigned *abs_3(unsigned x[3]);

 

DESCRIPTION

inc_3 increments x by one. Equivalent to ++x.

dec_3 decrements x by one. Equivalent to --x.

negate_3 negates x. Equivalent to x=-x.

abs_3 takes the absolute value of x. Equivalent to x=x<0?-x:x.  

RETURN VALUE

inc_3, dec_3, negate_3 and abs_3 all return a pointer to x which has been updated in place.  

EXAMPLES

Some unary arithmetic operations on triple-ints:

unsigned x[3];

assign_int_3(x, 44);
negate_3(x);  /* x is now -44 */
inc_3(x);     /* x is now -43 */
abs_3(x);     /* x is now 43 */
dec_3(x);     /* x is now 42 */

 

SEE ALSO

ggidev-triple-int(7), ggidev-assign_int_3(3)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
EXAMPLES
SEE ALSO

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Time: 21:46:51 GMT, April 16, 2011