386 lines
12 KiB
XML
386 lines
12 KiB
XML
<?xml-stylesheet type="text/xsl" href="summary.xsl"?>
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<package xmlns="http://www.lovullo.com/rater"
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xmlns:c="http://www.lovullo.com/calc"
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xmlns:t="http://www.lovullo.com/rater/apply-template"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.lovullo.com/rater ../../rater.xsd"
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core="true"
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name="core/numeric/convert"
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desc="Converts scalars to another type">
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<import package="../base" />
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<!-- for template applications -->
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<import package="common" export="true" />
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<import package="round" export="true" />
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<!-- even more trivial, but again, cuts down on code -->
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<template name="_scalarToAccum_" desc="Simply accumulates a scalar">
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<param name="@scalar@" desc="Scalar to accumulate" />
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<param name="@accum@" desc="Accumulator to accumulate into" />
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<!-- this is useless, but required -->
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<param name="@yields@" desc="Value to yield into, since it's required (useless)">
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<text>__accum_</text>
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<param-value name="@accum@" />
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<text>_</text>
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<param-value name="@scalar@" />
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</param>
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<param name="@type@" desc="Accumulation method">
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<text>all</text>
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</param>
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<rate yields="@yields@">
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<accumulate into="@accum@" type="@type@" />
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<c:value-of name="@scalar@" />
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</rate>
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</template>
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<template name="_ptor_" desc="Percent to rational number">
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<param name="@name@" desc="Percentage to convert" />
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<param name="@index@" desc="Index" />
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<param name="@value@" desc="Constant (instead of named value)" />
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<param name="@desc@" desc="Optional description for constant value">
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<text>Percent to convert</text>
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</param>
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<param name="@difference@" desc="Whether to perform a percent
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difference (default false)">
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<text>false</text>
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</param>
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<c:sum>
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<if name="@difference@" eq="true">
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<c:const value="1"
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desc="Perform percent difference" />
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</if>
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<c:quotient>
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<if name="@name@">
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<c:value-of name="@name@" index="@index@" />
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</if>
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<unless name="@name@">
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<c:const value="@value@" type="float" desc="@desc@" />
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</unless>
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<c:const value="100" type="integer" desc="Convert to rational number" />
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</c:quotient>
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</c:sum>
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</template>
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<template name="_ptor-each_" desc="Each percent to real number">
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<param name="@name@" desc="Percentage to convert" />
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<param name="@generates@" desc="Value to generate into" />
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<param name="@difference@" desc="Whether to perform a percent
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difference (default false)">
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<text>false</text>
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</param>
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<rate yields="_{@generates@}">
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<c:sum of="@name@" index="k" generates="@generates@" desc="Real representation of {@name@}">
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<t:ptor difference="@difference@"
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name="@name@" index="k" />
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</c:sum>
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</rate>
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</template>
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<!--
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Yields a total percent as an integer and rational number. The integer is
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useful for displaying a total percent (e.g. for credits/surcharges) and the
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rational number is useful for using for multiplication in an equation.
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Example:
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<t:total-percent class="foo" to_int="fooPercentTotal" to_rat="fooTotal" index="k">
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<with-param name="@values@">
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<c:value-of name="fooA" index="k" />
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<c:value-of name="fooB" index="k" />
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</with-param>
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</t:total-percent>
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Let fooA = 5, fooB = -7
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will yield:
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- fooPercentTotal = -2
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- fooTotal = 0.98
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-->
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<template name="_total-percent_" desc="Generates a total percentage as an integer and a rational number">
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<!-- for use by @values@ -->
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<param name="@index@" desc="Index variable" />
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<param name="@class@" desc="Classification match" />
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<param name="@to_int@" desc="Integer total to yield" />
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<param name="@to_rat@" desc="Rational number to yield" />
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<param name="@values@" desc="Value nodes" />
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<param name="@yields_int@" desc="Yields for integer total">
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<text>_</text>
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<param-value name="@to_int@" />
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</param>
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<param name="@yields_rat@" desc="Yields for rational total">
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<text>_</text>
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<param-value name="@to_rat@" />
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</param>
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<!-- percent total (e.g. 7 for 7%) -->
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<rate-each class="@class@" yields="@yields_int@" generates="@to_int@" index="@index@">
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<c:sum>
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<param-copy name="@values@" />
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</c:sum>
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</rate-each>
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<!-- as a rational number (to multiply by; e.g. 1.07 for 7%, 0.93 for -7%) -->
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<rate-each class="@class@" yields="@yields_rat@" generates="@to_rat@" index="k">
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<c:sum>
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<c:const value="1" desc="Relative percent" />
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<t:ptor name="@to_int@" index="k" />
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</c:sum>
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</rate-each>
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</template>
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<!--
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This template is useful for, say, when a coverage is partially included, but
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additional coverage may be purchased. For example, if 10% of coverage X is
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included, but you can purchase more Y if 10% is insufficient, then we can
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simply reduce coverage Y by 10% of coverage X.
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If the initial value is insufficient, then the value 0 will be produced.
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-->
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<template name="_percent-reduction_" desc="Reduces a set of values by a percentage of another set of values">
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<param name="@index@" desc="Value index" />
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<param name="@reduce@" desc="Vector to reduce values of" />
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<param name="@percentof@" desc="Vector to reduce values by a percentage of" />
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<param name="@percent@" desc="Percent reduction (as a float)" />
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<param name="@minval@" desc="Minimum value to reduce by (optional)" />
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<param name="@condition@" desc="Boolean conditions (vector for each index) under which reduction should be applied" />
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<param name="@desc@" desc="Optional description">
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<text>Percent to reduce by</text>
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</param>
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<param name="@label@" desc="Label for max() application">
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<text>Reduced </text>
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<param-value name="@reduce@" />
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<text> by </text>
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<param-value name="@percent@" />
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<text>*</text>
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<param-value name="@percentof@" />
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<text> (cannot fall below 0)</text>
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</param>
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<c:apply name="max" label="@label@">
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<!-- if the reduction produces a value less than 0, then simply return 0 -->
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<c:arg name="max1">
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<c:const value="0" type="float" desc="0 will be returned if the reduction is too great" />
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</c:arg>
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<c:arg name="max2">
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<c:sum>
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<c:value-of name="@reduce@" index="@index@" label="Initial value" />
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<c:let>
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<c:values>
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<c:value name="reduce" type="float" desc="Value to reduce by, should condition be met">
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<c:product>
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<c:const value="@percent@" type="float" desc="@desc@" />
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<c:value-of name="@percentof@" index="@index@" />
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</c:product>
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</c:value>
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</c:values>
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<t:negate>
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<c:product label="Conditional reduction">
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<if name="@condition@">
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<c:when name="@condition@" index="@index@">
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<c:eq>
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<c:value-of name="TRUE" />
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</c:eq>
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</c:when>
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</if>
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<if name="@minval@">
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<c:apply name="max" max1="reduce">
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<c:arg name="max2">
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<c:const value="@minval@" type="float" desc="Minimum value to reduce by" />
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</c:arg>
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</c:apply>
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</if>
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<unless name="@minval@">
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<c:value-of name="reduce" label="Value to reduce by" />
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</unless>
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</c:product>
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</t:negate>
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</c:let>
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</c:sum>
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</c:arg>
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</c:apply>
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</template>
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<template name="_percent-of-set_" desc="Returns the percent of a set of given values">
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<param name="@class@" desc="Class match" />
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<param name="@of@" desc="Vector of values to take the percent of" />
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<param name="@percent@" desc="Percent reduction (as a float)" />
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<param name="@generates@" desc="Value to generate" />
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<param name="@yields@" desc="Yield">
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<param-value name="@generates@" />
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<text>Total</text>
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</param>
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<rate-each class="@class@" yields="@yields@" generates="@generates@" index="k">
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<c:apply name="round">
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<c:arg name="roundval">
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<c:apply name="max">
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<!-- if the reduction produces a value less than 0, then simply return 0 -->
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<c:arg name="max1">
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<c:const value="0" type="float" desc="0 will be returned if the reduction is too great" />
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</c:arg>
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<c:arg name="max2">
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<c:product label="Percent value">
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<c:const value="@percent@" type="float" desc="Percent to reduce by" />
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<c:value-of name="@of@" index="k" label="Value to take percentage of" />
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</c:product>
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</c:arg>
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</c:apply>
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</c:arg>
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</c:apply>
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</rate-each>
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</template>
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<!--
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Map values falling within adjacent intervals
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Interval endpoints are defined using `_endpoint_` nodes. The
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first interval is defined as [-∞,@start@), and the last endpoint
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as (end,∞], where `end` is the value of the final `_endpoint_`.
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The default maps for these two implicit intervals default to 0,
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but may be changed with, respectively, @low@ and @high@.
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Permitted children:
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- _endpoint_* - Endpoint definition.
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-->
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<template name="_map-interval_"
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desc="Map adjacent, closed intervals to scalars">
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<param name="@values@" desc="Interval definitions" />
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<param name="@name@" desc="Reference value" />
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<param name="@start@"
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desc="Left endpoint of first interval (constant)" />
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<param name="@index@"
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desc="Reference value index">
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<text></text>
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</param>
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<param name="@low@"
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desc="Default value when less than @start@">
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<text>#0</text>
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</param>
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<param name="@lowindex@"
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desc="Low value index">
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<text></text>
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</param>
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<param name="@high@"
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desc="Default value when greater than final endpoint value">
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<text>#0</text>
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</param>
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<param name="@highindex@"
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desc="High value index">
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<text></text>
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</param>
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<c:let>
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<!-- c:when does not support shorthand constants (yet); this is
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a workaround -->
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<c:values>
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<c:value name="__intval"
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type="float"
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desc="Interval reference value">
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<c:value-of name="@name@" index="@index@" />
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</c:value>
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</c:values>
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<c:cases>
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<c:case>
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<c:when name="__intval">
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<c:lt>
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<c:const value="@start@"
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type="float"
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desc="First interval left endpoint" />
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</c:lt>
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</c:when>
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<c:value-of name="@low@" index="@lowindex@" />
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</c:case>
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<param-copy name="@values@" />
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<c:otherwise>
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<c:value-of name="@high@" index="@highindex@" />
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</c:otherwise>
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</c:cases>
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</c:let>
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</template>
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<!--
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Adjacent endpoint definition
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A value that falls within range of the associated interval will be
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mapped to the value @map@.
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The first endpoint defined is the right endpoint of the interval
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defined by [start,@value@], where `start` is defined by the parent
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`_map-interval_`.
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All other endpoints define the interval (prev,@value@].
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-->
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<template name="_endpoint_"
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desc="Define an interval endpoint for _map-interval_">
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<param name="@value@"
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desc="Right endpoint of previous interval" />
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<param name="@map@"
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desc="Value to which interval is mapped" />
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<param name="@mapindex@"
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desc="Map value index">
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<text></text>
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</param>
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<c:case>
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<c:when name="__intval">
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<c:lte>
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<c:const value="@value@"
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type="float"
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desc="Previous interval right endpoint" />
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</c:lte>
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</c:when>
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<c:value-of name="@map@"
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index="@mapindex@" />
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</c:case>
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</template>
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</package>
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