range.html

jfreechart最新源代码

<FONT color="green">288</FONT>        public static Range shift(Range base, double delta, <a name="line.288"></a>
<FONT color="green">289</FONT>                                  boolean allowZeroCrossing) {<a name="line.289"></a>
<FONT color="green">290</FONT>            if (allowZeroCrossing) {<a name="line.290"></a>
<FONT color="green">291</FONT>                return new Range(base.getLowerBound() + delta, <a name="line.291"></a>
<FONT color="green">292</FONT>                        base.getUpperBound() + delta);<a name="line.292"></a>
<FONT color="green">293</FONT>            }<a name="line.293"></a>
<FONT color="green">294</FONT>            else {<a name="line.294"></a>
<FONT color="green">295</FONT>                return new Range(shiftWithNoZeroCrossing(base.getLowerBound(), <a name="line.295"></a>
<FONT color="green">296</FONT>                        delta), shiftWithNoZeroCrossing(base.getUpperBound(), <a name="line.296"></a>
<FONT color="green">297</FONT>                        delta));<a name="line.297"></a>
<FONT color="green">298</FONT>            }<a name="line.298"></a>
<FONT color="green">299</FONT>        }<a name="line.299"></a>
<FONT color="green">300</FONT>    <a name="line.300"></a>
<FONT color="green">301</FONT>        /**<a name="line.301"></a>
<FONT color="green">302</FONT>         * Returns the given &lt;code&gt;value&lt;/code&gt; adjusted by &lt;code&gt;delta&lt;/code&gt; but<a name="line.302"></a>
<FONT color="green">303</FONT>         * with a check to prevent the result from crossing &lt;code&gt;0.0&lt;/code&gt;.<a name="line.303"></a>
<FONT color="green">304</FONT>         * <a name="line.304"></a>
<FONT color="green">305</FONT>         * @param value  the value.<a name="line.305"></a>
<FONT color="green">306</FONT>         * @param delta  the adjustment.<a name="line.306"></a>
<FONT color="green">307</FONT>         * <a name="line.307"></a>
<FONT color="green">308</FONT>         * @return The adjusted value.<a name="line.308"></a>
<FONT color="green">309</FONT>         */<a name="line.309"></a>
<FONT color="green">310</FONT>        private static double shiftWithNoZeroCrossing(double value, double delta) {<a name="line.310"></a>
<FONT color="green">311</FONT>            if (value &gt; 0.0) {<a name="line.311"></a>
<FONT color="green">312</FONT>                return Math.max(value + delta, 0.0);  <a name="line.312"></a>
<FONT color="green">313</FONT>            }<a name="line.313"></a>
<FONT color="green">314</FONT>            else if (value &lt; 0.0) {<a name="line.314"></a>
<FONT color="green">315</FONT>                return Math.min(value + delta, 0.0);<a name="line.315"></a>
<FONT color="green">316</FONT>            }<a name="line.316"></a>
<FONT color="green">317</FONT>            else {<a name="line.317"></a>
<FONT color="green">318</FONT>                return value + delta;   <a name="line.318"></a>
<FONT color="green">319</FONT>            }<a name="line.319"></a>
<FONT color="green">320</FONT>        }<a name="line.320"></a>
<FONT color="green">321</FONT>        <a name="line.321"></a>
<FONT color="green">322</FONT>        /**<a name="line.322"></a>
<FONT color="green">323</FONT>         * Tests this object for equality with an arbitrary object.<a name="line.323"></a>
<FONT color="green">324</FONT>         *<a name="line.324"></a>
<FONT color="green">325</FONT>         * @param obj  the object to test against (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.325"></a>
<FONT color="green">326</FONT>         *<a name="line.326"></a>
<FONT color="green">327</FONT>         * @return A boolean.<a name="line.327"></a>
<FONT color="green">328</FONT>         */<a name="line.328"></a>
<FONT color="green">329</FONT>        public boolean equals(Object obj) {<a name="line.329"></a>
<FONT color="green">330</FONT>            if (!(obj instanceof Range)) {<a name="line.330"></a>
<FONT color="green">331</FONT>                return false;<a name="line.331"></a>
<FONT color="green">332</FONT>            }<a name="line.332"></a>
<FONT color="green">333</FONT>            Range range = (Range) obj;<a name="line.333"></a>
<FONT color="green">334</FONT>            if (!(this.lower == range.lower)) {<a name="line.334"></a>
<FONT color="green">335</FONT>                return false;<a name="line.335"></a>
<FONT color="green">336</FONT>            }<a name="line.336"></a>
<FONT color="green">337</FONT>            if (!(this.upper == range.upper)) {<a name="line.337"></a>
<FONT color="green">338</FONT>                return false;<a name="line.338"></a>
<FONT color="green">339</FONT>            }<a name="line.339"></a>
<FONT color="green">340</FONT>            return true;<a name="line.340"></a>
<FONT color="green">341</FONT>        }<a name="line.341"></a>
<FONT color="green">342</FONT>    <a name="line.342"></a>
<FONT color="green">343</FONT>        /**<a name="line.343"></a>
<FONT color="green">344</FONT>         * Returns a hash code.<a name="line.344"></a>
<FONT color="green">345</FONT>         * <a name="line.345"></a>
<FONT color="green">346</FONT>         * @return A hash code.<a name="line.346"></a>
<FONT color="green">347</FONT>         */<a name="line.347"></a>
<FONT color="green">348</FONT>        public int hashCode() {<a name="line.348"></a>
<FONT color="green">349</FONT>            int result;<a name="line.349"></a>
<FONT color="green">350</FONT>            long temp;<a name="line.350"></a>
<FONT color="green">351</FONT>            temp = Double.doubleToLongBits(this.lower);<a name="line.351"></a>
<FONT color="green">352</FONT>            result = (int) (temp ^ (temp &gt;&gt;&gt; 32));<a name="line.352"></a>
<FONT color="green">353</FONT>            temp = Double.doubleToLongBits(this.upper);<a name="line.353"></a>
<FONT color="green">354</FONT>            result = 29 * result + (int) (temp ^ (temp &gt;&gt;&gt; 32));<a name="line.354"></a>
<FONT color="green">355</FONT>            return result;<a name="line.355"></a>
<FONT color="green">356</FONT>        }<a name="line.356"></a>
<FONT color="green">357</FONT>    <a name="line.357"></a>
<FONT color="green">358</FONT>        /**<a name="line.358"></a>
<FONT color="green">359</FONT>         * Returns a string representation of this Range.<a name="line.359"></a>
<FONT color="green">360</FONT>         *<a name="line.360"></a>
<FONT color="green">361</FONT>         * @return A String "Range[lower,upper]" where lower=lower range and <a name="line.361"></a>
<FONT color="green">362</FONT>         *         upper=upper range.<a name="line.362"></a>
<FONT color="green">363</FONT>         */<a name="line.363"></a>
<FONT color="green">364</FONT>        public String toString() {<a name="line.364"></a>
<FONT color="green">365</FONT>            return ("Range[" + this.lower + "," + this.upper + "]");<a name="line.365"></a>
<FONT color="green">366</FONT>        }<a name="line.366"></a>
<FONT color="green">367</FONT>    <a name="line.367"></a>
<FONT color="green">368</FONT>    }<a name="line.368"></a>




























































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