Formal power series: Difference between revisions
Content added Content deleted
m (→{{header|Perl 6}}: Clean up some unneeded semicolons.) |
m (→{{header|Perl 6}}: Make coeffs a method in the base class.) |
||
| Line 1,101: | Line 1,101: | ||
class FPS { |
class FPS { |
||
method coeffs { ... } |
|||
method differentiate { DerFPS.new(:x(self)) } |
method differentiate { DerFPS.new(:x(self)) } |
||
method integrate { IntFPS.new(:x(self)) } |
method integrate { IntFPS.new(:x(self)) } |
||
| Line 1,116: | Line 1,115: | ||
} |
} |
||
} |
} |
||
class ExplicitFPS is FPS { has @.coeffs } |
|||
class SumFPS is FPS { |
class SumFPS is FPS { |
||
| Line 1,151: | Line 1,152: | ||
class IntFPS is FPS { |
class IntFPS is FPS { |
||
has FPS $.x |
has FPS $.x; |
||
method coeffs { 0, (0..*).map: { $.x.coeffs[$_] / ($_+1) } } |
method coeffs { 0, (0..*).map: { $.x.coeffs[$_] / ($_+1) } } |
||
} |
} |
||
| Line 1,167: | Line 1,168: | ||
# an example for a mixed-type operator: |
# an example for a mixed-type operator: |
||
multi infix:<->(Numeric $x, FPS $y) { |
multi infix:<->(Numeric $x, FPS $y) { ExplicitFPS.new(:coeffs($x, 0 xx *)) - $y } |
||
# define sine and cosine in terms of each other |
# define sine and cosine in terms of each other |
||