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src/java.base/share/classes/java/math/RoundingMode.java
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*** 49,60 ****
* {@code roundingMode} set to the rounding mode in question), and
* calling {@link BigDecimal#round round} on this number with the
* proper {@code MathContext}. A summary table showing the results
* of these rounding operations for all rounding modes appears below.
*
! *<table border>
* <caption><b>Summary of Rounding Operations Under Different Rounding Modes</b></caption>
* <tr><th></th><th colspan=8>Result of rounding input to one digit with the given
* rounding mode</th>
* <tr style="vertical-align:top">
* <th>Input Number</th> <th>{@code UP}</th>
* <th>{@code DOWN}</th>
--- 49,61 ----
* {@code roundingMode} set to the rounding mode in question), and
* calling {@link BigDecimal#round round} on this number with the
* proper {@code MathContext}. A summary table showing the results
* of these rounding operations for all rounding modes appears below.
*
! *<table class="plain">
* <caption><b>Summary of Rounding Operations Under Different Rounding Modes</b></caption>
+ * <thead>
* <tr><th></th><th colspan=8>Result of rounding input to one digit with the given
* rounding mode</th>
* <tr style="vertical-align:top">
* <th>Input Number</th> <th>{@code UP}</th>
* <th>{@code DOWN}</th>
*** 62,71 ****
--- 63,74 ----
* <th>{@code FLOOR}</th>
* <th>{@code HALF_UP}</th>
* <th>{@code HALF_DOWN}</th>
* <th>{@code HALF_EVEN}</th>
* <th>{@code UNNECESSARY}</th>
+ * </thead>
+ * <tbody>
*
* <tr style="text-align:right"><td>5.5</td> <td>6</td> <td>5</td> <td>6</td> <td>5</td> <td>6</td> <td>5</td> <td>6</td> <td>throw {@code ArithmeticException}</td>
* <tr style="text-align:right"><td>2.5</td> <td>3</td> <td>2</td> <td>3</td> <td>2</td> <td>3</td> <td>2</td> <td>2</td> <td>throw {@code ArithmeticException}</td>
* <tr style="text-align:right"><td>1.6</td> <td>2</td> <td>1</td> <td>2</td> <td>1</td> <td>2</td> <td>2</td> <td>2</td> <td>throw {@code ArithmeticException}</td>
* <tr style="text-align:right"><td>1.1</td> <td>2</td> <td>1</td> <td>2</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>throw {@code ArithmeticException}</td>
*** 73,83 ****
* <tr style="text-align:right"><td>-1.0</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>-1</td>
* <tr style="text-align:right"><td>-1.1</td> <td>-2</td> <td>-1</td> <td>-1</td> <td>-2</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>throw {@code ArithmeticException}</td>
* <tr style="text-align:right"><td>-1.6</td> <td>-2</td> <td>-1</td> <td>-1</td> <td>-2</td> <td>-2</td> <td>-2</td> <td>-2</td> <td>throw {@code ArithmeticException}</td>
* <tr style="text-align:right"><td>-2.5</td> <td>-3</td> <td>-2</td> <td>-2</td> <td>-3</td> <td>-3</td> <td>-2</td> <td>-2</td> <td>throw {@code ArithmeticException}</td>
* <tr style="text-align:right"><td>-5.5</td> <td>-6</td> <td>-5</td> <td>-5</td> <td>-6</td> <td>-6</td> <td>-5</td> <td>-6</td> <td>throw {@code ArithmeticException}</td>
! *</table>
*
*
* <p>This {@code enum} is intended to replace the integer-based
* enumeration of rounding mode constants in {@link BigDecimal}
* ({@link BigDecimal#ROUND_UP}, {@link BigDecimal#ROUND_DOWN},
--- 76,87 ----
* <tr style="text-align:right"><td>-1.0</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>-1</td>
* <tr style="text-align:right"><td>-1.1</td> <td>-2</td> <td>-1</td> <td>-1</td> <td>-2</td> <td>-1</td> <td>-1</td> <td>-1</td> <td>throw {@code ArithmeticException}</td>
* <tr style="text-align:right"><td>-1.6</td> <td>-2</td> <td>-1</td> <td>-1</td> <td>-2</td> <td>-2</td> <td>-2</td> <td>-2</td> <td>throw {@code ArithmeticException}</td>
* <tr style="text-align:right"><td>-2.5</td> <td>-3</td> <td>-2</td> <td>-2</td> <td>-3</td> <td>-3</td> <td>-2</td> <td>-2</td> <td>throw {@code ArithmeticException}</td>
* <tr style="text-align:right"><td>-5.5</td> <td>-6</td> <td>-5</td> <td>-5</td> <td>-6</td> <td>-6</td> <td>-5</td> <td>-6</td> <td>throw {@code ArithmeticException}</td>
! * </tbody>
! * </table>
*
*
* <p>This {@code enum} is intended to replace the integer-based
* enumeration of rounding mode constants in {@link BigDecimal}
* ({@link BigDecimal#ROUND_UP}, {@link BigDecimal#ROUND_DOWN},
*** 98,145 ****
* digit prior to a non-zero discarded fraction. Note that this
* rounding mode never decreases the magnitude of the calculated
* value.
*
*<p>Example:
! *<table border>
* <caption><b>Rounding mode UP Examples</b></caption>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code UP} rounding
*<tr style="text-align:right"><td>5.5</td> <td>6</td>
*<tr style="text-align:right"><td>2.5</td> <td>3</td>
*<tr style="text-align:right"><td>1.6</td> <td>2</td>
*<tr style="text-align:right"><td>1.1</td> <td>2</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-2</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-2</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-3</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-6</td>
*</table>
*/
UP(BigDecimal.ROUND_UP),
/**
* Rounding mode to round towards zero. Never increments the digit
* prior to a discarded fraction (i.e., truncates). Note that this
* rounding mode never increases the magnitude of the calculated value.
*
*<p>Example:
! *<table border>
* <caption><b>Rounding mode DOWN Examples</b></caption>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code DOWN} rounding
*<tr style="text-align:right"><td>5.5</td> <td>5</td>
*<tr style="text-align:right"><td>2.5</td> <td>2</td>
*<tr style="text-align:right"><td>1.6</td> <td>1</td>
*<tr style="text-align:right"><td>1.1</td> <td>1</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-1</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-2</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-5</td>
*</table>
*/
DOWN(BigDecimal.ROUND_DOWN),
/**
--- 102,157 ----
* digit prior to a non-zero discarded fraction. Note that this
* rounding mode never decreases the magnitude of the calculated
* value.
*
*<p>Example:
! *<table class="plain">
* <caption><b>Rounding mode UP Examples</b></caption>
+ *<thead>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code UP} rounding
+ *</thead>
+ *<tbody>
*<tr style="text-align:right"><td>5.5</td> <td>6</td>
*<tr style="text-align:right"><td>2.5</td> <td>3</td>
*<tr style="text-align:right"><td>1.6</td> <td>2</td>
*<tr style="text-align:right"><td>1.1</td> <td>2</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-2</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-2</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-3</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-6</td>
+ *</tbody>
*</table>
*/
UP(BigDecimal.ROUND_UP),
/**
* Rounding mode to round towards zero. Never increments the digit
* prior to a discarded fraction (i.e., truncates). Note that this
* rounding mode never increases the magnitude of the calculated value.
*
*<p>Example:
! *<table class="plain">
* <caption><b>Rounding mode DOWN Examples</b></caption>
+ *<thead>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code DOWN} rounding
+ *</thead>
+ *<tbody>
*<tr style="text-align:right"><td>5.5</td> <td>5</td>
*<tr style="text-align:right"><td>2.5</td> <td>2</td>
*<tr style="text-align:right"><td>1.6</td> <td>1</td>
*<tr style="text-align:right"><td>1.1</td> <td>1</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-1</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-2</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-5</td>
+ *</tbody>
*</table>
*/
DOWN(BigDecimal.ROUND_DOWN),
/**
*** 147,170 ****
* result is positive, behaves as for {@code RoundingMode.UP};
* if negative, behaves as for {@code RoundingMode.DOWN}. Note
* that this rounding mode never decreases the calculated value.
*
*<p>Example:
! *<table border>
* <caption><b>Rounding mode CEILING Examples</b></caption>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code CEILING} rounding
*<tr style="text-align:right"><td>5.5</td> <td>6</td>
*<tr style="text-align:right"><td>2.5</td> <td>3</td>
*<tr style="text-align:right"><td>1.6</td> <td>2</td>
*<tr style="text-align:right"><td>1.1</td> <td>2</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-1</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-2</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-5</td>
*</table>
*/
CEILING(BigDecimal.ROUND_CEILING),
/**
--- 159,186 ----
* result is positive, behaves as for {@code RoundingMode.UP};
* if negative, behaves as for {@code RoundingMode.DOWN}. Note
* that this rounding mode never decreases the calculated value.
*
*<p>Example:
! *<table class="plain">
* <caption><b>Rounding mode CEILING Examples</b></caption>
+ *<thead>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code CEILING} rounding
+ *</thead>
+ *<tbody>
*<tr style="text-align:right"><td>5.5</td> <td>6</td>
*<tr style="text-align:right"><td>2.5</td> <td>3</td>
*<tr style="text-align:right"><td>1.6</td> <td>2</td>
*<tr style="text-align:right"><td>1.1</td> <td>2</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-1</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-2</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-5</td>
+ *</tbody>
*</table>
*/
CEILING(BigDecimal.ROUND_CEILING),
/**
*** 172,195 ****
* result is positive, behave as for {@code RoundingMode.DOWN};
* if negative, behave as for {@code RoundingMode.UP}. Note that
* this rounding mode never increases the calculated value.
*
*<p>Example:
! *<table border>
* <caption><b>Rounding mode FLOOR Examples</b></caption>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code FLOOR} rounding
*<tr style="text-align:right"><td>5.5</td> <td>5</td>
*<tr style="text-align:right"><td>2.5</td> <td>2</td>
*<tr style="text-align:right"><td>1.6</td> <td>1</td>
*<tr style="text-align:right"><td>1.1</td> <td>1</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-2</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-2</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-3</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-6</td>
*</table>
*/
FLOOR(BigDecimal.ROUND_FLOOR),
/**
--- 188,215 ----
* result is positive, behave as for {@code RoundingMode.DOWN};
* if negative, behave as for {@code RoundingMode.UP}. Note that
* this rounding mode never increases the calculated value.
*
*<p>Example:
! *<table class="plain">
* <caption><b>Rounding mode FLOOR Examples</b></caption>
+ *<thead>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code FLOOR} rounding
+ *</thead>
+ *<tbody>
*<tr style="text-align:right"><td>5.5</td> <td>5</td>
*<tr style="text-align:right"><td>2.5</td> <td>2</td>
*<tr style="text-align:right"><td>1.6</td> <td>1</td>
*<tr style="text-align:right"><td>1.1</td> <td>1</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-2</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-2</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-3</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-6</td>
+ *</tbody>
*</table>
*/
FLOOR(BigDecimal.ROUND_FLOOR),
/**
*** 199,222 ****
* fraction is ≥ 0.5; otherwise, behaves as for
* {@code RoundingMode.DOWN}. Note that this is the rounding
* mode commonly taught at school.
*
*<p>Example:
! *<table border>
* <caption><b>Rounding mode HALF_UP Examples</b></caption>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code HALF_UP} rounding
*<tr style="text-align:right"><td>5.5</td> <td>6</td>
*<tr style="text-align:right"><td>2.5</td> <td>3</td>
*<tr style="text-align:right"><td>1.6</td> <td>2</td>
*<tr style="text-align:right"><td>1.1</td> <td>1</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-2</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-3</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-6</td>
*</table>
*/
HALF_UP(BigDecimal.ROUND_HALF_UP),
/**
--- 219,246 ----
* fraction is ≥ 0.5; otherwise, behaves as for
* {@code RoundingMode.DOWN}. Note that this is the rounding
* mode commonly taught at school.
*
*<p>Example:
! *<table class="plain">
* <caption><b>Rounding mode HALF_UP Examples</b></caption>
+ *<thead>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code HALF_UP} rounding
+ *</thead>
+ *<tbody>
*<tr style="text-align:right"><td>5.5</td> <td>6</td>
*<tr style="text-align:right"><td>2.5</td> <td>3</td>
*<tr style="text-align:right"><td>1.6</td> <td>2</td>
*<tr style="text-align:right"><td>1.1</td> <td>1</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-2</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-3</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-6</td>
+ *</tbody>
*</table>
*/
HALF_UP(BigDecimal.ROUND_HALF_UP),
/**
*** 225,248 ****
* down. Behaves as for {@code RoundingMode.UP} if the discarded
* fraction is > 0.5; otherwise, behaves as for
* {@code RoundingMode.DOWN}.
*
*<p>Example:
! *<table border>
* <caption><b>Rounding mode HALF_DOWN Examples</b></caption>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code HALF_DOWN} rounding
*<tr style="text-align:right"><td>5.5</td> <td>5</td>
*<tr style="text-align:right"><td>2.5</td> <td>2</td>
*<tr style="text-align:right"><td>1.6</td> <td>2</td>
*<tr style="text-align:right"><td>1.1</td> <td>1</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-2</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-2</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-5</td>
*</table>
*/
HALF_DOWN(BigDecimal.ROUND_HALF_DOWN),
/**
--- 249,276 ----
* down. Behaves as for {@code RoundingMode.UP} if the discarded
* fraction is > 0.5; otherwise, behaves as for
* {@code RoundingMode.DOWN}.
*
*<p>Example:
! *<table class="plain">
* <caption><b>Rounding mode HALF_DOWN Examples</b></caption>
+ *<thead>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code HALF_DOWN} rounding
+ *</thead>
+ *<tbody>
*<tr style="text-align:right"><td>5.5</td> <td>5</td>
*<tr style="text-align:right"><td>2.5</td> <td>2</td>
*<tr style="text-align:right"><td>1.6</td> <td>2</td>
*<tr style="text-align:right"><td>1.1</td> <td>1</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-2</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-2</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-5</td>
+ *</tbody>
*</table>
*/
HALF_DOWN(BigDecimal.ROUND_HALF_DOWN),
/**
*** 258,305 ****
* chiefly used in the USA. This rounding mode is analogous to
* the rounding policy used for {@code float} and {@code double}
* arithmetic in Java.
*
*<p>Example:
! *<table border>
* <caption><b>Rounding mode HALF_EVEN Examples</b></caption>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code HALF_EVEN} rounding
*<tr style="text-align:right"><td>5.5</td> <td>6</td>
*<tr style="text-align:right"><td>2.5</td> <td>2</td>
*<tr style="text-align:right"><td>1.6</td> <td>2</td>
*<tr style="text-align:right"><td>1.1</td> <td>1</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-2</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-2</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-6</td>
*</table>
*/
HALF_EVEN(BigDecimal.ROUND_HALF_EVEN),
/**
* Rounding mode to assert that the requested operation has an exact
* result, hence no rounding is necessary. If this rounding mode is
* specified on an operation that yields an inexact result, an
* {@code ArithmeticException} is thrown.
*<p>Example:
! *<table border>
* <caption><b>Rounding mode UNNECESSARY Examples</b></caption>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code UNNECESSARY} rounding
*<tr style="text-align:right"><td>5.5</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>2.5</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>1.6</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>1.1</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>-1.6</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>-2.5</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>-5.5</td> <td>throw {@code ArithmeticException}</td>
*</table>
*/
UNNECESSARY(BigDecimal.ROUND_UNNECESSARY);
// Corresponding BigDecimal rounding constant
--- 286,341 ----
* chiefly used in the USA. This rounding mode is analogous to
* the rounding policy used for {@code float} and {@code double}
* arithmetic in Java.
*
*<p>Example:
! *<table class="plain">
* <caption><b>Rounding mode HALF_EVEN Examples</b></caption>
+ *<thead>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code HALF_EVEN} rounding
+ *</thead>
+ *<tbody>
*<tr style="text-align:right"><td>5.5</td> <td>6</td>
*<tr style="text-align:right"><td>2.5</td> <td>2</td>
*<tr style="text-align:right"><td>1.6</td> <td>2</td>
*<tr style="text-align:right"><td>1.1</td> <td>1</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.6</td> <td>-2</td>
*<tr style="text-align:right"><td>-2.5</td> <td>-2</td>
*<tr style="text-align:right"><td>-5.5</td> <td>-6</td>
+ *</tbody>
*</table>
*/
HALF_EVEN(BigDecimal.ROUND_HALF_EVEN),
/**
* Rounding mode to assert that the requested operation has an exact
* result, hence no rounding is necessary. If this rounding mode is
* specified on an operation that yields an inexact result, an
* {@code ArithmeticException} is thrown.
*<p>Example:
! *<table class="plain">
* <caption><b>Rounding mode UNNECESSARY Examples</b></caption>
+ *<thead>
*<tr style="vertical-align:top"><th>Input Number</th>
* <th>Input rounded to one digit<br> with {@code UNNECESSARY} rounding
+ *</thead>
+ *<tbody>
*<tr style="text-align:right"><td>5.5</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>2.5</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>1.6</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>1.1</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>1.0</td> <td>1</td>
*<tr style="text-align:right"><td>-1.0</td> <td>-1</td>
*<tr style="text-align:right"><td>-1.1</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>-1.6</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>-2.5</td> <td>throw {@code ArithmeticException}</td>
*<tr style="text-align:right"><td>-5.5</td> <td>throw {@code ArithmeticException}</td>
+ *</tbody>
*</table>
*/
UNNECESSARY(BigDecimal.ROUND_UNNECESSARY);
// Corresponding BigDecimal rounding constant
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