xref: /external/crcalc/src/com/hp/creals/StringFloatRep.java

// Copyright (c) 2004, Hewlett-Packard Development Company, L.P.
//
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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 + ")");
    }
}