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Just another update

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Ingy döt Net 2015-02-20 00:35:01 -05:00
parent a25938f123
commit 00a190b0a6
6591 changed files with 94363 additions and 23227 deletions
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84
Task/Arithmetic-Rational/Groovy/arithmetic-rational-2.groovy
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@ -1,74 +1,14 @@
def x = new Rational(5, 20)
def y = new Rational(9, 12)
def z = new Rational(0, 10000)
import org.codehaus.groovy.runtime.DefaultGroovyMethods
println x
println y
println z
println (x <=> y)
println ((x as Rational).compareTo(y))
assert x*3 == y
assert (z + 1) <= y*4
assert x != y
class RationalCategory {
static Rational plus (Number a, Rational b) { ([a] as Rational) + b }
static Rational minus (Number a, Rational b) { ([a] as Rational) - b }
static Rational multiply (Number a, Rational b) { ([a] as Rational) * b }
static Rational div (Number a, Rational b) { ([a] as Rational) / b }
println "x + y == ${x} + ${y} == ${x + y}"
println "x + z == ${x} + ${z} == ${x + z}"
println "x - y == ${x} - ${y} == ${x - y}"
println "x - z == ${x} - ${z} == ${x - z}"
println "x * y == ${x} * ${y} == ${x * y}"
println "y ** 3 == ${y} ** 3 == ${y ** 3}"
println "x * z == ${x} * ${z} == ${x * z}"
println "x / y == ${x} / ${y} == ${x / y}"
try { print "x / z == ${x} / ${z} == "; println "${x / z}" }
catch (Throwable t) { println t.message }
println "-x == -${x} == ${-x}"
println "-y == -${y} == ${-y}"
println "-z == -${z} == ${-z}"
print "x as int == ${x} as int == "; println x.intValue()
print "x as double == ${x} as double == "; println x.doubleValue()
print "1 / x as int == 1 / ${x} as int == "; println x.reciprocal().intValue()
print "1.0 / x == 1.0 / ${x} == "; println x.reciprocal().doubleValue()
print "y as int == ${y} as int == "; println y.intValue()
print "y as double == ${y} as double == "; println y.doubleValue()
print "1 / y as int == 1 / ${y} as int == "; println y.reciprocal().intValue()
print "1.0 / y == 1.0 / ${y} == "; println y.reciprocal().doubleValue()
print "z as int == ${z} as int == "; println z.intValue()
print "z as double == ${z} as double == "; println z.doubleValue()
try { print "1 / z as int == 1 / ${z} as int == "; println z.reciprocal().intValue() }
catch (Throwable t) { println t.message }
try { print "1.0 / z == 1.0 / ${z} == "; println z.reciprocal().doubleValue() }
catch (Throwable t) { println t.message }
println "++x == ++ ${x} == ${++x}"
println "++y == ++ ${y} == ${++y}"
println "++z == ++ ${z} == ${++z}"
println "-- --x == -- -- ${x} == ${-- (--x)}"
println "-- --y == -- -- ${y} == ${-- (--y)}"
println "-- --z == -- -- ${z} == ${-- (--z)}"
println x
println y
println z
println (x <=> y)
assert x*3 == y
assert (z + 1) <= y*4
assert (x < y)
println (new Rational(25))
println (new Rational(25.0))
println (new Rational(0.25))
println Math.PI
println (new Rational(Math.PI))
println ((new Rational(Math.PI)).toBigDecimal())
println ((new Rational(Math.PI)) as BigDecimal)
println ((new Rational(Math.PI)) as Double)
println ((new Rational(Math.PI)) as double)
println ((new Rational(Math.PI)) as boolean)
println (z as boolean)
try { println ((new Rational(Math.PI)) as Date) }
catch (Throwable t) { println t.message }
try { println ((new Rational(Math.PI)) as char) }
catch (Throwable t) { println t.message }
static <T> T asType (Number a, Class<T> type) {
type == Rational \
? [a] as Rational
: DefaultGroovyMethods.asType(a, type)
}
}