cejs
Version:
A JavaScript module framework that is simple to use.
506 lines • 26 kB
JavaScript
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/ * *
* @ n a m e C e L q u o t i e n t f u n c t i o n
* @ f i l e o v e r v i e w
* ,g�jHhS+T�N q u o t i e n t �v f u n c t i o n s 0
* @ s i n c e 2 0 1 0 / 3 / 1 1 1 6 : 5 9 : 5 9
* @ e x a m p l e
* < c o d e >
* C e L . r u n ( ' d a t a . m a t h ' ) ;
* / / T O D O : b u g
* C e L . r u n ( ' d a t a . m a t h . q u o t i e n t ' ) ;
* v a r q 1 = n e w C e L . q u o t i e n t ( 2 , 3 ) ;
* / / xeW[�W�^�vI��c:
* C e L . l o g ( C e L . q u o t i e n t . p a r s e _ b a s e ( ' 4 8 7 7 . 6 ' . t o L o w e r C a s e ( ) , 1 0 ) . t o _ b a s e ( 1 6 ) . r e p l a c e ( / _ ( [ ^ \ ( ] + ) / , ' _ < i s t y l e = " t e x t - d e c o r a t i o n : o v e r l i n e " > $ 1 < / i > ' ) ) ;
* < / c o d e >
* /
/ *
T O D O :
u s e { S t r i n g } v a l u e + { N u m b e r } e x p o n e n t
h t t p : / / w w w . l e e m o n . c o m / c r y p t o / B i g I n t . h t m l
h t t p : / / w w w - c s - s t u d e n t s . s t a n f o r d . e d u / ~ t j w / j s b n /
h t t p : / / j a v a . s u n . c o m / j a v a s e / 6 / d o c s / a p i / j a v a / m a t h / B i g I n t e g e r . h t m l
* /
' u s e s t r i c t ' ;
i f ( t y p e o f C e L = = = ' f u n c t i o n ' )
C e L . r u n (
{
n a m e : ' d a t a . m a t h . q u o t i e n t ' ,
r e q u i r e : ' d a t a . m a t h . t o _ r a t i o n a l _ n u m b e r | d a t a . m a t h . G C D | d a t a . m a t h . f a c t o r i z a t i o n ' ,
c o d e : f u n c t i o n ( l i b r a r y _ n a m e s p a c e ) {
/ / r e q u i r i n g
v a r t o _ r a t i o n a l _ n u m b e r = t h i s . r ( ' t o _ r a t i o n a l _ n u m b e r ' ) , G C D = t h i s . r ( ' G C D ' ) , f a c t o r i z a t i o n = t h i s . r ( ' f a c t o r i z a t i o n ' ) ;
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( t o _ r a t i o n a l _ n u m b e r ) ;
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( G C D ) ;
/ / = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
/ / d e f i n i t i o n o f m o d u l e q u o t i e n t
v a r
/ *
texe�R
Rxe f r a c t i o n
wRxe p r o p e r f r a c t i o n
v i n c u l u m = " d i v i d e b y "
* /
/ * *
* gtxe r a t i o n a l n u m b e r � gtpehQSOn0d0O0�0ƖTo0W0p0W0p00FU�0asTY0�0 i n t e g e r n0-��eW[�0h0�00*YW[n0 Q g0h�Y00< b r / >
* 傁�8�eQ
N T�W�^�vxe<P �ˊ(u p a r s e _ b a s e ( )
*
* @ p a r a m n u m e r a t o r RP[
* @ p a r a m [ d e n o m i n a t o r ] R�k
* @ p a r a m { B o o l e a n } [ a p p r o x i m a t e ] �Sя<O<P
*
* @ e x a m p l e
* < c o d e >
* C e L . l o g ( ( n e w C e L . i n t e g e r ( 3 , 4 ) ) . c o u n t ( ' * ' , n e w C e L . i n t e g e r ( 2 , 7 ) ) . r e d u c e ( ) . t o _ p r i n t _ m o d e ( ) ) ;
* < / c o d e >
*
* @ c l a s s i n t e g e r �v f u n c t i o n s
* @ c o n s t r u c t o r
* /
_ / / J S D T : _ m o d u l e _
= f u n c t i o n ( n u m e r a t o r , d e n o m i n a t o r , a p p r o x i m a t e ) {
i f ( t y p e o f n u m e r a t o r = = = ' o b j e c t ' & & n u m e r a t o r i n s t a n c e o f _
/ / & & n u m e r a t o r . C l a s s = = = ' q u o t i e n t '
)
r e t u r n n u m e r a t o r ;
i f ( i s N a N ( n u m e r a t o r ) )
n u m e r a t o r = 0 ;
i f ( ! d e n o m i n a t o r | | i s N a N ( d e n o m i n a t o r ) )
d e n o m i n a t o r = 1 ;
e l s e i f ( d e n o m i n a t o r < 0 )
d e n o m i n a t o r = - d e n o m i n a t o r , n u m e r a t o r = - n u m e r a t o r ;
/ / t o _ r a t i o n a l _ n u m b e r � t e s t �&N�V�P( RP[, R�k, ���]) �
v a r q = t o _ r a t i o n a l _ n u m b e r ( n u m e r a t o r ) ;
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( n u m e r a t o r + ' �! ' + q ) ;
i f ( ! q )
n u m e r a t o r = 0 ;
e l s e i f ( a p p r o x i m a t e | | ! q [ 2 ] )
/ / !q���]BfO(uKN
n u m e r a t o r = q [ 0 ] , d e n o m i n a t o r * = q [ 1 ] | | 1 ;
e l s e
w h i l e ( n u m e r a t o r % 1 | | d e n o m i n a t o r % 1 )
/ / S�ptexe
n u m e r a t o r * = 1 0 , d e n o m i n a t o r * = 1 0 ;
/ / v a l u e
t h i s . n = n u m e r a t o r , t h i s . d = d e n o m i n a t o r ;
/ / t h i s . t y p e = ' q u o t i e n t ' ;
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( t h i s . n + ' / ' + t h i s . d ) ;
r e t u r n t h i s ;
} ;
/ / c l a s s p u b l i c i n t e r f a c e - - - - - - - - - - - - - - - - - - - - - - - - - - -
_ / / J S D T : _ m o d u l e _
.
/ * *
* �_�t�{R��&{_�� { S t r i n g } texe. \xe_ _ r e p e t e n d _ s e p a r a t o r _ _ �_�t�{
* @ _ m e m b e r O f _ m o d u l e _
* /
r e p e t e n d _ s e p a r a t o r = ' _ ' ; / / ' '
_ / / J S D T : _ m o d u l e _
.
/ * *
* xeW[Ɩ
* @ _ m e m b e r O f _ m o d u l e _
* @ s e e
* < a h r e f = " h t t p : / / e n . w i k i p e d i a . o r g / w i k i / N u m e r i c a l _ d i g i t " a c c e s s d a t e = " 2 0 1 0 / 4 / 1 6 2 0 : 4 7 " > N u m e r i c a l d i g i t < / a >
* /
d i g i t _ c h a r = ' 0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v w x y z ' ; / / . s p l i t ( ' ' )
_ / / J S D T : _ m o d u l e _
.
/ * *
* I��cc�[2�MO�vxeW[b�p q u o t i e n t ir�N
* @ s i n c e 2 0 0 4 / 7 / 9 1 6 : 1 3
* @ p a r a m n u m b e r xeW[
* @ p a r a m b a s e �W�^
* @ p a r a m { S t r i n g } [ d i g i t _ c h a r s ] �_�t\xe d i g i t W[Ɩ0
* @ r e t u r n �V�P q u o t i e n t ir�N �ˊ(u q u o t i e n t . t o _ b a s e ( ) �P�V@b2kKN b a s e
* @ _ m e m b e r O f _ m o d u l e _
* @ e x a m p l e
* v a r q = p a r s e _ b a s e ( ' 1 0 0 0 0 . ' + _ . r e p e t e n d _ s e p a r a t o r + ' 3 ' , 1 1 ) ;
* i f ( ! q )
* a l e r t ( ' b a d i n p u t ! ' ) ;
* e l s e
* l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > ' + q . b a s e ( 8 ) + ' , ' + q . b a s e ( ) + ' , ' + q . t o _ p r i n t _ m o d e ( ) + ' , ' + q . p r i n t ( 1 ) + ' , ' + q . t o _ p r i n t _ m o d e ( 2 ) + ' , ' + q . t o _ p r i n t _ m o d e ( 3 , 0 , ' ' , 5 ) ) ;
* /
p a r s e _ b a s e = f u n c t i o n ( n u m b e r , b a s e , d i g i t _ c h a r ) {
/ / i f ( ! n u m ) n u m = 0 ;
i f ( ( ! ( b a s e = M a t h . f l o o r ( b a s e ) ) | | b a s e < 2 ) & & d i g i t _ c h a r )
b a s e = d i g i t _ c h a r . l e n g t h ;
i f ( ! d i g i t _ c h a r )
d i g i t _ c h a r = _ . d i g i t _ c h a r ;
i f ( i s N a N ( b a s e ) | | b a s e < 2 | | d i g i t _ c h a r . l e n g t h < b a s e )
b a s e = 1 0 ;
i f ( ! n u m b e r | | b a s e = = = 1 0
& & ( ' ' + n u m b e r ) . i n d e x O f ( _ . r e p e t e n d _ s e p a r a t o r ) = = = - 1 )
/ / �S�� g�_�t\xe �@b�N
N��>eN��P�P b a s e = = = 1 0
r e t u r n n e w _ ( n u m b e r ) ;
v a r i = 0 , n = n e w _ ( 0 , 1 ) , m = 0 , t = 0 , p , c = { } , r = n e w _ ( 0 , 1 ) ;
f o r ( ; i < d i g i t _ c h a r . l e n g t h ; i + + )
c [ d i g i t _ c h a r . c h a r A t ( i ) ] = i ; / / W[Ɩ
n u m b e r + = ' ' , i = - 1 , n . d = r . d = 1 ;
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > ' + i + ' , ' + n u m . l e n g t h + ' , ' + t + ' , ' + n u m + ' , ' + n . t o _ p r i n t _ m o d e ( ) ) ;
i f ( n u m b e r . c h a r A t ( 0 ) = = = ' - ' )
i = 0 , m = 1 ;
w h i l e ( + + i < n u m b e r . l e n g t h & & ( p = n u m b e r . c h a r A t ( i ) ) ! = ' . ' )
/ / texe
i f ( i s N a N ( p = c [ p ] ) | | p > = b a s e )
/ / e r r o r !
r e t u r n ;
e l s e
t = t * b a s e + p ;
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > ' + i + ' , ' + n u m . l e n g t h + ' , ' + t + ' , ' + n u m + ' , ' + n . t o _ p r i n t _ m o d e ( ) ) ;
w h i l e ( + + i < n u m b e r . l e n g t h
& & ( p = n u m b e r . c h a r A t ( i ) ) ! = _ . r e p e t e n d _ s e p a r a t o r )
/ / \xe
i f ( i s N a N ( p = c [ p ] ) | | p > = b a s e )
/ / e r r o r !
r e t u r n ;
e l s e
n . n = n . n * b a s e + p , n . d * = b a s e ;
w h i l e ( + + i < n u m b e r . l e n g t h )
/ / �_�t�{
i f ( i s N a N ( p = c [ n u m b e r . c h a r A t ( i ) ] ) | | p > = b a s e )
r e t u r n ; / / e r r o r !
e l s e
r . n = r . n * b a s e + p , r . d * = b a s e ;
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > * * ' + n . t o _ p r i n t _ m o d e ( ) ) ;
/ / �U�_
n = n . c o u n t ( ' + = ' , t ) ;
i f ( r . n )
r . d = ( r . d - 1 ) * n . d , n . c o u n t ( ' + = ' , r ) ;
n . r e d u c e ( ) ;
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > * ' + n . t o _ p r i n t _ m o d e ( ) ) ;
i f ( m )
n . n = - n . n ;
r e t u r n n ;
} ;
_ / / J S D T : _ m o d u l e _
. p r o t o t y p e = {
/ / i n s t a n c e p u b l i c i n t e r f a c e - - - - - - - - - - - - - - - - - - -
/ * *
* g!|Rxe/ S!|, }R r e d u c t i o n
* @ r e t u r n S!|�_�v
* @ _ n a m e _ m o d u l e _ . p r o t o t y p e . r e d u c e
* /
r e d u c e : f u n c t i o n ( ) {
v a r g = G C D ( t h i s . n , t h i s . d ) ;
i f ( g & & g > 1 )
t h i s . n / = g , t h i s . d / = g ;
r e t u r n t h i s ;
} ,
/ * *
* �VGRK��{/ �{xeK��{ + - * / ( + - � � ) , * * , ^ , [ = ]
* @ p a r a m o p o p e r a t o r
* @ p a r a m q 2 t h e s e c o n d q u o t i e n t
* @ r e t u r n ��{�_�vP}�g
* @ s e e
* < a h r e f = " h t t p : / / w w w . j a v a w o r l d . c o m . t w / j u t e / p o s t / v i e w ? b i d = 3 5 & a m p ; i d = 3 0 1 6 9 & a m p ; t p g = 1 & a m p ; p p g = 1 & a m p ; s t y = 1 & a m p ; a g e = 0 # 3 0 1 6 9 " a c c e s s d a t e = " 2 0 1 0 / 4 / 1 6 2 0 : 4 7 " > J a v a W o r l d @ T W J a v a ֊�X - p o s t . v i e w < / a >
* @ _ n a m e _ m o d u l e _ . p r o t o t y p e . c o u n t
* /
c o u n t : f u n c t i o n ( o p , q 2 ) {
v a r q ;
i f ( o p . s l i c e ( - 1 ) = = = ' = ' )
q = t h i s , o p = o p . s l i c e ( 0 , - 1 ) ;
e l s e
q = n e w _ ( t h i s ) ;
q 2 = n e w _ ( q 2 ) ;
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > ' + t h i s . t y p e + ' , ' + q . t o _ p r i n t _ m o d e ( ) + ' , ' + q 2 . t o _ p r i n t _ m o d e ( ) ) ;
i f ( o p = = = ' - ' )
q 2 . n = - q 2 . n , o p = ' + ' ;
e l s e i f ( o p = = = ' / ' ) {
v a r t = q 2 . n ;
q 2 . n = q 2 . d , q 2 . d = t , o p = ' * ' ;
}
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > ' + q . t o _ p r i n t _ m o d e ( 1 ) + ' , ' + q 2 . t o _ p r i n t _ m o d e ( 1 ) ) ;
i f ( o p = = = ' + ' )
q . n = q . n * q 2 . d + q . d * q 2 . n , q . d * = q 2 . d ;
e l s e i f ( o p = = = ' * ' )
q . n * = q 2 . n , q . d * = q 2 . d ;
/ / N ! /fc N �v��XN ( F a c t o r i a l , p o w e r )
e l s e i f ( ( o p = = = ' * * ' | | o p = = = ' ^ ' ) & & q 2 . r e d u c e ( ) . d = = = 1 ) {
q . r e d u c e ( ) , q . n = M a t h . p o w ( q . n , q 2 . n ) , q . d = M a t h . p o w ( q . d , q 2 . n ) ;
r e t u r n q ;
} e l s e {
l i b r a r y _ n a m e s p a c e . e r r o r ( ' i l l e g a l o p e r a t o r [ ' + o p + ' ] ! ' ) ;
r e t u r n t h i s ;
}
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > ' + q . t o _ p r i n t _ m o d e ( 1 ) + ' , ' + q 2 . t o _ p r i n t _ m o d e ( 1 ) ) ;
/ / o t h e r : e r r o r
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > _ ' + q . r e d u c e ( ) . t o _ p r i n t _ m o d e ( ) ) ;
t r y {
r e t u r n q . r e d u c e ( ) ;
} c a t c h ( e ) {
}
r e t u r n q ;
} ,
/ * *
* �Oc�[�W�^I�b�_�t\xe c i r c u l a t i n g d e c i m a l / r e p e a t i n g d e c i m a l 0
* yr�k�`�l�S�N�naO(u . t o S t r i n g ( ) �g�_�_Y0
* T O D O : \xe
* @ s i n c e 2 0 0 4 / 7 / 9 1 3 : 2 8
* @ p a r a m b a s e �W�^
* @ p a r a m d i g i t _ c h a r �_�t\xe d i g i t W[Ɩ
* @ r e t u r n ( d e c i m a l / xeW[�Rs t r i n g , r e p u n i t I n d e x / �_�t�{R e p e t e n d �Q�s(W)
* @ s e e
* < a h r e f = " h t t p : / / m a t h w o r l d . w o l f r a m . c o m / R e p e a t i n g D e c i m a l . h t m l " a c c e s s d a t e = " 2 0 1 0 / 4 / 1 6 2 0 : 4 7 " > R e p e a t i n g D e c i m a l - - f r o m W o l f r a m M a t h W o r l d < / a >
* < a h r e f = " h t t p : / / h k . g e o c i t i e s . c o m / g o o d p r i m e s / O F r p . h t m " > �_�t\xe� }xe0 }KNpu^�0< / a >
* @ _ n a m e _ m o d u l e _ . p r o t o t y p e . t o _ b a s e
* /
t o _ b a s e : f u n c t i o n ( b a s e , d i g i t _ c h a r ) {
/ / i f ( ! i s N a N ( d i g i t _ c h a r ) ) d i g i t _ c h a r + = ' ' ;
i f ( t y p e o f d i g i t _ c h a r ! = = ' s t r i n g ' | | d i g i t _ c h a r . l e n g t h < 2 )
/ / W[Ɩ
d i g i t _ c h a r = _ . d i g i t _ c h a r ;
/ / �W�^�-��p 1 0 2�MO
i f ( ! ( b a s e = M a t h . f l o o r ( b a s e ) ) | | b a s e = = 1 0 | |
/ / i l l e g a l b a s e
b a s e < 2 | | b a s e > d i g i t _ c h a r . l e n g t h )
r e t u r n t h i s . t o _ d e c i m a l ( ) ;
t h i s . r e d u c e ( ) ;
v a r d = t h i s . d , o = t h i s . n , i , t , m = 0 ,
/ / f i n d b a s e �v�Vxe( f a c t o r )
f = f a c t o r i z a t i o n ( b a s e ) ;
i f ( o < 0 )
/ / ��xe
o = - o , m = 1 ;
/ / f i n d R�k�v�Vxe( f a c t o r ) ��W�^ b a s e KN�NƖ(
N��(uG C D )
f o r ( v a r i = 0 , g = 1 , t = d ; i < f . l e n g t h ; i + = 2 )
w h i l e ( t % f [ i ] = = = 0 )
g * = f [ i ] , t / = f [ i ] ;
/ / g e t texe i n t e g e r �R �! o u t
f = o % d ;
i = ( o - f ) / d ;
o = ' ' ;
w h i l e ( i )
t = i % b a s e , i = ( i - t ) / b a s e , o = d i g i t _ c h a r . c h a r A t ( t ) + o ;
i f ( ! o )
o = ' 0 ' , m = 0 ;
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > _ ' + t y p e o f o + ' , ' + ( o | | ' ( n u l l ) ' ) + ' , ' + o ) ;
i f ( ! f )
r e t u r n m ? ' - ' + o : o ;
/ / 2�eQ\xe
o + = ' . ' ;
/ / s e t �xef / R�kd , �xer e s i d u e m a r k r = f , �_�t�{ R e p e t e n d l o c a t i o n o f o u t : l , �]�zl�v�Vxe s
v a r r = f , l = o . l e n g t h , s = 1 ;
/ / d o m a i n l o o p
/ / w h i l e ( o . l e n g t h - l < d ) { / / P�6R? MO: d e b u g (u
w h i l e ( t r u e ) {
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > . ' + r + ' , ' + f + ' / ' + d + ' ( ' + b a s e + ' ) , ' + s + ' : ' + g + ' , ' + o ) ;
i f ( ! f ) {
/ / �S�Nted� �!q�_�t0
l = 0 ;
b r e a k ;
}
f * = b a s e ;
i f ( s = = = g ) {
/ / R�k� b a s e �]�N�
t = f , f % = d , o + = d i g i t _ c h a r . c h a r A t ( ( t - f ) / d ) ;
i f ( f = = = r )
/ / b i n g o ! �xe͑��Q�s ��_�t�{P}_g0
b r e a k ;
} e l s e {
/ / f � d �]�N�
t = G C D ( b a s e , d ) , s * = t , f / = t , d / = t ,
/ / d o t h e s a m e t h i n g
t = f , f % = d , o + = d i g i t _ c h a r . c h a r A t ( ( t - f ) / d ) ,
/ / r �͑-�. . dkU� g&T�S���QOUL�? m a y b e n o t ?
r = f , l = o . l e n g t h ;
}
}
/ / �U�_
i f ( l )
o + = ' ( ' + ( o . l e n g t h - l ) + ' ) ' , o = o . s l i c e ( 0 , l )
+ _ . r e p e t e n d _ s e p a r a t o r + o . s u b s t r ( l ) ;
i f ( m )
o = ' - ' + o ;
r e t u r n o ;
} ,
/ * *
* �pAS2�MO gsOS�v t o _ b a s e ( ) < b r / >
* �NP}֊�O�� �}Y�P�_
N�NY\?
* @ s i n c e 2 0 0 4 / 7 / 9 1 3 : 4 7
* @ r e t u r n
* @ _ n a m e _ m o d u l e _ . p r o t o t y p e . t o _ d e c i m a l
* /
t o _ d e c i m a l : f u n c t i o n ( ) {
t h i s . r e d u c e ( ) ;
v a r d = t h i s . d , t = d , g = 1 , m = 0 , f , o = t h i s . n ;
i f ( o < 0 )
o = - o , m = 1 ; / / ��xe
/ / f i n d R�k�v 2 , 5 �Vxe
w h i l e ( t % 2 = = = 0 )
/ / O(u Nb��L�g �b b u g : 8��Q . 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 ( 2 ) g\� g = = = t = = = 0 , �c�c
/ / �NP}֊�O�� �}Y�P�_
N�NY\?
/ / g < < = 1 , t > > = 1 ;
g * = 2 , t / = 2 ;
w h i l e ( t % 5 = = = 0 )
g * = 5 , t / = 5 ;
/ / g e t texe i n t e g e r �R �! o u t
f = o % d , o = ( o - f ) / d ;
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > _ ' + t y p e o f o + ' , ' + ( o | | ' ( n u l l ) ' ) + ' , ' + o ) ;
i f ( ! f )
/ / Yu N+ -
r e t u r n ( m ? ' - ' : ' ' ) + o ;
/ / 2�eQ\xe
o + = ' . ' ;
/ / s e t �xef / R�kd , �xe r e s i d u e m a r k r = f , �_�t�{ R e p e t e n d l o c a t i o n o f o u t : l , �]�zl�v�Vxe s
v a r r = f , l = o . l e n g t h , s = 1 ;
/ / d o m a i n l o o p
/ / w h i l e ( o . l e n g t h - l < d ) { / / P�6R? MO: d e b u g (u
w h i l e ( t r u e ) {
/ / l i b r a r y _ n a m e s p a c e . d e b u g ( ' < b r / > . ' + r + ' , ' + f + ' / ' + d + ' , ' + s + ' : ' + g + ' , ' + o ) ;
i f ( ! f ) {
/ / �S�Nted� �!q�_�t0
l = 0 ;
b r e a k ;
}
f * = 1 0 ;
i f ( s = = = g ) {
/ / R�k� b a s e �]�N�
t = f , f % = d , o + = ( t - f ) / d ;
i f ( f = = = r )
/ / b i n g o ! �_�t�{P}_g
b r e a k ;
} e l s e {
t = d % 5 = = = 0 ? d % 2 = = = 0 ? 1 0 : 5 : 2 , s * = t , f / = t , d / = t ,
/ / d o t h e s a m e t h i n g
t = f , f % = d , o + = ( t - f ) / d ,
/ / r �͑-�. . dkU� g&T�S���QOUL�? m a y b e n o t ?
r = f , l = o . l e n g t h ;
}
}
/ / �U�_
i f ( l )
o + = ' ( ' + ( o . l e n g t h - l ) + ' ) ' ,
o = o . s l i c e ( 0 , l ) + _ . r e p e t e n d _ s e p a r a t o r + o . s u b s t r ( l ) ;
i f ( m )
o = ' - ' + o ;
r e t u r n o ;
} ,
/ *
gHeMOxe0\xeMOxe h t t p : / / t e c h n e t . m i c r o s o f t . c o m / z h - t w / l i b r a r y / m s 1 9 0 4 7 6 . a s p x
P r e c i s i o n , S c a l e
gHeMOxe/fxeW[�vMOxe0\xeMOxe/fxeW[-N(W\xeޞ�StP�vMOxe0�O�Y �1 2 3 . 4 5 � PxeW[�v gHeMOxe/f 5 �\xeMOxe/f 2 0
P r e c i s i o n i s t h e n u m b e r o f d i g i t s i n a n u m b e r . S c a l e i s t h e n u m b e r o f d i g i t s t o t h e r i g h t o f t h e d e c i m a l p o i n t i n a n u m b e r . F o r e x a m p l e , t h e n u m b e r 1 2 3 . 4 5 h a s a p r e c i s i o n o f 5 a n d a s c a l e o f 2 .
* /
/ * *
* o�:ybT.z
N T!j_�vxeW[
* @ s i n c e 2 0 0 4 / 7 / 9 1 4 : 2 3
* @ p a r a m m o d e o�:y!j_
* 0 wRxe p r o p e r f r a c t i o n 0GPRxe i m p r o p e r f r a c t i o n ( U . S . , B r i t i s h o r A u s t r a l i a n ) o r t o p - h e a v y f r a c t i o n ( B r i t i s h , o c c a s i o n a l l y N o r t h A m e r i c a ) ,
* 1 6^Rxe m i x e d n u m e r a l ( o f t e n c a l l e d a m i x e d n u m b e r , a l s o c a l l e d a m i x e d f r a c t i o n ) ,
* 2 �v�cd�( 1 0 2�MO) ,
* 3 I�b�_�t\xe r e p e a t i n g d e c i m a l , d��\xeޞ Nd i g i t MOxe�^��Vhc�NeQ� �.
* @ p a r a m b a s e �W�^
* @ p a r a m s u m _ c h a r o�:y6^RxeBf�Nh�texe� wRxeKN���vR��0Y�p' ' b' + ' b' ' 0
* @ p a r a m d i g i t I�b�_�t\xeBf ��Nh��_�t\xe d i g i t W[Ɩ
* @ r e t u r n { S t r i n g } o�:y!j_xeW[
* @ _ n a m e _ m o d u l e _ . p r o t o t y p e . t o _ p r i n t _ m o d e
* /
t o _ p r i n t _ m o d e : f u n c t i o n ( m o d e , b a s e , s u m _ c h a r , d i g i t ) {
i f ( m o d e < 3 | | ! m o d e ) {
i f ( m o d e = = = 2 )
r e t u r n t h i s . n / t h i s . d ;
v a r p , f ;
i f ( ! m o d e | | t h i s . n < t h i s . d )
p = t h i s . n + ' / ' + t h i s . d ;
e l s e
f = t h i s . n % t h i s . d ,
p = ( t h i s . n - f ) / t h i s . d
+ ( f ? ( s u m _ c h a r | | ' + ' ) + f + ' / ' + t h i s . d : ' ' ) ;
r e t u r n p ;
}
i f ( m o d e = = = 3 ) {
v a r n = t h i s . t o _ b a s e ( b a s e , s u m _ c h a r ) ;
i f ( i s N a N ( d i g i t ) )
r e t u r n n ;
v a r f = n . i n d e x O f ( _ . r e p e t e n d _ s e p a r a t o r ) , b = n . i n d e x O f ( ' . ' ) ;
i f ( f = = = - 1 | | ! d i g i t )
r e t u r n b = = = - 1 ? n :
d i g i t ? n . s l i c e ( 0 , b + d i g i t + 1 ) : n . s l i c e ( 0 , b ) ;
d i g i t + = b + 1 ,
/ / �_�t�{
b = n . s u b s t r ( f + 1 ) ,
n = n . s l i c e ( 0 , f ) ;
w h i l e ( n . l e n g t h < d i g i t )
n + = b ;
r e t u r n n . s l i c e ( 0 , d i g i t ) ;
}
} ,
/ * *
* ,nf�'Y\/ �k'Y\
* @ p a r a m q 2 t h e s e c o n d q u o t i e n t
* @ r e t u r n { N u m b e r } 0 : = = , < 0 : < , > 0 : >
* @ _ n a m e _ m o d u l e _ . p r o t o t y p e . c o m p a r e _ t o
* /
c o m p a r e _ t o : f u n c t i o n ( q 2 ) {
q 2 = n e w _ ( q 2 ) ;
r e t u r n t h i s . n * q 2 . d - t h i s . d * q 2 . n ;
}
} ;
/ / s e t u p t o S t r i n g f u n c t i o n
_ . p r o t o t y p e . t o S t r i n g = _ . p r o t o t y p e . t o _ p r i n t _ m o d e ;
r e t u r n (
_ / / J S D T : _ m o d u l e _
) ;
}
} ) ;