xref: /aosp_15_r20/external/crcalc/src/com/hp/creals/StringFloatRep.java (revision a164e4c8ceb68d2ed98bfa4453ac24556007d537)

// Copyright (c) 2004, Hewlett-Packard Development Company, L.P.
//
// Permission is granted free of charge to copy, modify, use and distribute
// this software  provided you include the entirety of this notice in all
// copies made.
//
// THIS SOFTWARE IS PROVIDED ON AN AS IS BASIS, WITHOUT WARRANTY OF ANY
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION,
// WARRANTIES THAT THE SUBJECT SOFTWARE IS FREE OF DEFECTS, MERCHANTABLE, FIT
// FOR A PARTICULAR PURPOSE OR NON-INFRINGING.   HEWLETT-PACKARD ASSUMES
// NO RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE.
// SHOULD THE SOFTWARE PROVE DEFECTIVE IN ANY RESPECT,
// HEWLETT-PACKARD ASSUMES NO COST OR LIABILITY FOR ANY
// SERVICING, REPAIR OR CORRECTION.  THIS DISCLAIMER OF WARRANTY CONSTITUTES
// AN ESSENTIAL PART OF THIS LICENSE. NO USE OF ANY SUBJECT SOFTWARE IS
// AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER.
//
// UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, WHETHER TORT (INCLUDING,
// WITHOUT LIMITATION, NEGLIGENCE OR STRICT LIABILITY), CONTRACT, OR
// OTHERWISE, SHALL HEWLETT-PACKARD BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL,
// INCIDENTAL, OR CONSEQUENTIAL DAMAGES OF ANY CHARACTER WITH RESPECT TO THE
// SOFTWARE INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF GOODWILL, WORK
// STOPPAGE, LOSS OF DATA, COMPUTER FAILURE OR MALFUNCTION, OR ANY AND ALL
// OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF HEWLETT-PACKARD SHALL
// HAVE BEEN INFORMED OF THE POSSIBILITY OF SUCH DAMAGES.
// THIS LIMITATION OF LIABILITY SHALL NOT APPLY TO LIABILITY RESULTING
// FROM HEWLETT-PACKARD's NEGLIGENCE TO THE EXTENT APPLICABLE
// LAW PROHIBITS SUCH LIMITATION.  SOME JURISDICTIONS DO NOT ALLOW THE
// EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THAT
// EXCLUSION AND LIMITATION MAY NOT APPLY TO YOU.
//

package com.hp.creals;

/**
* A scientific notation representation of an approximation to a constructive
* real.
* Generated by CR.toStringFloatRep.
*/
public class StringFloatRep {
    StringFloatRep(int s, String m, int r, int e) {
	sign = s;
	mantissa = m;
	radix = r;
	exponent = e;
    }
/**
* The sign associated with this approximation.  May be -1, _1, or zero.
*/
    public int sign;
/**
* A string representation of the mantissa.  The decimal point is implicitly
* to the left of the string of digits, and is not explicitly represented.
*/
    public String mantissa;
/**
* The radix of the representation.  Also the base of the exponent field.
*/
    public int radix;
/**
* The mantissa is scaled by radix**exponent.
*/
    public int exponent;

/**
* Produce a textual representation including the sign and exponent.
*/
    public String toString() {
      return
	(sign < 0? "-" : "") + mantissa + "E" + Integer.toString(exponent)
	+ (radix == 10? "" : "(radix " + radix + ")");
    }
}