4.2BSD/usr/src/usr.lib/libF77/h_dnnt.c

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/*
 *	"@(#)h_dnnt.c	1.1"
 */

short h_dnnt(x)
double *x;
{
double floor();

return( (*x)>=0 ?
	floor(*x + .5) : -floor(.5 - *x) );
}