/* div.c - div file for stdlib  *//* Copyright 1992-2001 Wind River Systems, Inc. *//*modification history--------------------01g,25sep01,gls  fixed div_r to check for negative numerator (SPR #30636)01f,10feb95,jdi  doc format tweak.01e,08feb93,jdi  documentation cleanup for 5.1.01d,20sep92,smb  documentation additions.01c,24jul92,smb  corrected parameter ordering.01b,24jul92,smb  added reentrant version for div()01a,19jul92,smb  written and documented.*//*DESCRIPTIONINCLUDE FILES: stdlib.hSEE ALSO: American National Standard X3.159-1989NOMANUAL*/#include "vxWorks.h"#include "stdlib.h"/********************************************************************************* div - compute a quotient and remainder (ANSI)** This routine computes the quotient and remainder of <numer>/<denom>.* If the division is inexact, the resulting quotient is the integer of lesser* magnitude that is the nearest to the algebraic quotient.  If the result cannot* be represented, the behavior is undefined; otherwise, `quot' * <denom> + `rem'* equals <numer>.** INCLUDE FILES: stdlib.h ** RETURNS:* A structure of type `div_t', containing both the quotient and the * remainder. ** INTERNAL* The structure shall contain the following members, in either order:*		int quot; * quotient **		int rem;  * remainder **/div_t div     (    int numer, 		/* numerator */    int denom		/* denominator */    )     {    static div_t divStruct;	/* div_t structure */    div_r (numer, denom, &divStruct);    return (divStruct);    }/********************************************************************************* div_r - compute a quotient and remainder (reentrant)** This routine computes the quotient and remainder of <numer>/<denom>.* The quotient and remainder are stored in the `div_t' structure* pointed to by <divStructPtr>.** This routine is the reentrant version of div().** INCLUDE FILES: stdlib.h ** RETURNS: N/A*/void div_r    (    int     numer,          /* numerator */    int     denom,          /* denominator */    div_t * divStructPtr    /* div_t structure */    )    {    /* calculate quotient */    divStructPtr->quot = numer / denom;    /* calculate remainder */    divStructPtr->rem = numer - (denom * divStructPtr->quot);    /* check for negative numerator */    if ((numer < 0) && (divStructPtr->rem > 0))        {        divStructPtr->quot++;        divStructPtr->rem -= denom;        }    }