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Autodocs
 Libraries:
 mathieeedoubbas.library
  --Background--
  IEEEDPAbs
  IEEEDPAdd
  IEEEDPCeil
  IEEEDPCmp
  IEEEDPDiv
  IEEEDPFix
  IEEEDPFloor
  IEEEDPFlt
  IEEEDPMul
  IEEEDPNeg
  IEEEDPSub
  IEEEDPTst
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Docs » Autodocs » mathieeedoubbas.library » IEEEDPCmp

NAME

	IEEEDPCmp -- compare two double precision floating point numbers

SYNOPSIS

	  c   = IEEEDPCmp(  y  ,  z  );
	  d0		  d0/d1 d2/d3
	double	y,z;
	long	c;

FUNCTION

	Compare y with z. Set the condition codes for less, greater, or
	equal. Set return value c to -1 if y<z, or +1 if y>z, or 0 if
	y == z.

INPUTS

	y -- IEEE double precision floating point value
	z -- IEEE double precision floating point value

RESULT

       c = 1   cc = gt         for (y > z)
       c = 0   cc = eq         for (y == z)
       c = -1  cc = lt         for (y < z)

BUGS

	Did not work correctly prior to V45 and might have returned results
	indicating the wrong order for negative numbers of small absolute
	value. This has been fixed in V45.

SEE ALSO

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