"{ Encoding: utf8 }"

"

 COPYRIGHT (c) 2008 by eXept Software AG

              All Rights Reserved

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

"

"{ Package: 'stx:libjavascript' }"

"{ NameSpace: Smalltalk }"

Object subclass:#Math

	instanceVariableNames:''

	classVariableNames:''

	poolDictionaries:''

	category:'Languages-JavaScript-Framework'

!

!Math class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 2008 by eXept Software AG

              All Rights Reserved

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

"

!

documentation

"

    Simulates the javascript Math protocol

    allows for

        Math.sin(foo)

    or

        Math.atan2(a,b)

"

! !

!Math class methodsFor:'constants'!

E

    "Eulers constant, the base of the natural logarithm; approx 2.718"

    ^ Float e

    "

     JavaScriptParser 

        evaluate:'Math.E;'    

    "

!

LN10

    "natural logarithm of 10, approx 2.302"

    ^ 10 ln

    "

     JavaScriptParser 

        evaluate:'Math.LN10;'    

    "

!

LN2

    "natural logarithm of 2, approx 0.693"

    ^ Float ln2

    "

     JavaScriptParser 

        evaluate:'Math.LN2;'    

    "

!

LOG10E

    "base 10 logarithm of E; approx. 0.434"

    ^ Float e log

    "

     JavaScriptParser 

        evaluate:'Math.LOG10E;'    

    "

!

LOG2E

    "base2 logarithm of E; approx. 1.442"

    ^ Float e log / 2 log

    "

     JavaScriptParser 

        evaluate:'Math.LOG2E;'    

    "

!

NEGATIVE_INFINITY

    "-inf"

    ^ Infinity negative

    "

     JavaScriptParser evaluate:'Math.NEGATIVE_INFINITY;'    

    "

!

NaN

    "not a number"

    ^ Float NaN

    "

     JavaScriptParser evaluate:'Math.NaN;'    

    "

!

PI

    "pi; approx 3.14159"

    ^ Float pi

    "

     JavaScriptParser 

        evaluate:'Math.PI;'    

    "

!

POSITIVE_INFINITY

    "+Inf"

    ^ Infinity positive

    "

     JavaScriptParser evaluate:'Math.POSITIVE_INFINITY;'    

    "

!

SQRT1_2

    "square root of 1/2; approx 0.707"

    ^ 1 / Float sqrt2

    "

     JavaScriptParser 

        evaluate:'Math.SQRT1_2;'    

    "

!

SQRT2

    "square root of 2; approx. 1.414"

    ^ Float sqrt2

    "

     JavaScriptParser 

        evaluate:'Math.SQRT2;'    

    "

! !

!Math class methodsFor:'min & max'!

max

    "returns the largest of 0 to 6 args"

    ^ 0

    "

     JavaScriptParser 

        evaluate:'Math.max();'    

     JavaScriptParser 

        evaluate:'Math.max(1);'    

     JavaScriptParser 

        evaluate:'Math.max(10,2);'    

     JavaScriptParser 

        evaluate:'Math.max(10,5,20);'    

    "

    "Modified (comment): / 15-12-2018 / 09:49:52 / Claus Gittinger"

!

max:n1

    "returns the largest of 0 to 6 args"

    ^ n1

    "

     JavaScriptParser 

        evaluate:'Math.max();'    

     JavaScriptParser 

        evaluate:'Math.max(1);'    

     JavaScriptParser 

        evaluate:'Math.max(10,2);'    

     JavaScriptParser 

        evaluate:'Math.max(10,5,20);'    

    "

    "Modified (comment): / 15-12-2018 / 09:49:56 / Claus Gittinger"

!

max:n1 _:n2

    "returns the largest of 0 to 6 args"

    ^ n1 max:n2

    "

     JavaScriptParser 

        evaluate:'Math.max();'    

     JavaScriptParser 

        evaluate:'Math.max(1);'    

     JavaScriptParser 

        evaluate:'Math.max(10,2);'    

     JavaScriptParser 

        evaluate:'Math.max(10,5,20);'    

    "

    "Modified (comment): / 15-12-2018 / 09:49:58 / Claus Gittinger"

!

max:n1 _:n2 _:n3

    "returns the largest of 0 to 6 args"

    ^ (n1 max:n2) max:n3

    "

     JavaScriptParser 

        evaluate:'Math.max();'    

     JavaScriptParser 

        evaluate:'Math.max(1);'    

     JavaScriptParser 

        evaluate:'Math.max(10,2);'    

     JavaScriptParser 

        evaluate:'Math.max(10,5,20);'    

    "

    "Modified (comment): / 15-12-2018 / 09:50:01 / Claus Gittinger"

!

max:n1 _:n2 _:n3 _:n4

    "returns the largest of 0 to 6 args"

    ^ (n1 max:n2) max:(n3 max:n4)

    "

     JavaScriptParser 

        evaluate:'Math.max(10,5,20,3);'    

    "

    "Modified (comment): / 15-12-2018 / 09:50:04 / Claus Gittinger"

!

max:n1 _:n2 _:n3 _:n4 _:n5

    "returns the largest of 0 to 6 args"

    ^ ((n1 max:n2) max:(n3 max:n4)) max:n5

    "

     JavaScriptParser 

        evaluate:'Math.max(10,5,20,3,17);'    

    "

    "Modified (comment): / 15-12-2018 / 09:50:06 / Claus Gittinger"

!

max:n1 _:n2 _:n3 _:n4 _:n5 _:n6

    "returns the largest of 0 to 6 args"

    ^ ((n1 max:n2) max:(n3 max:n4)) max:(n5 max:n6)

    "

     JavaScriptParser evaluate:'Math.max(10,5,20,3,17,1);'    

    "

    "Created: / 15-12-2018 / 09:47:27 / Claus Gittinger"

!

min

    "returns the smallest of 0 to 6 args"

    ^ 0

    "

     JavaScriptParser 

        evaluate:'Math.min();'    

     JavaScriptParser 

        evaluate:'Math.min(1);'    

     JavaScriptParser 

        evaluate:'Math.min(10,2);'    

     JavaScriptParser 

        evaluate:'Math.min(10,5,20);'    

    "

    "Modified (comment): / 15-12-2018 / 09:49:36 / Claus Gittinger"

!

min:n1

    "returns the smallest of 0 to 6 args"

    ^ n1

    "

     JavaScriptParser 

        evaluate:'Math.min();'    

     JavaScriptParser 

        evaluate:'Math.min(1);'    

     JavaScriptParser 

        evaluate:'Math.min(10,2);'    

     JavaScriptParser 

        evaluate:'Math.min(10,5,20);'    

    "

    "Modified (comment): / 15-12-2018 / 09:50:17 / Claus Gittinger"

!

min:n1 _:n2

    "returns the smallest of 0 to 6 args"

    ^ n1 min:n2

    "

     JavaScriptParser 

        evaluate:'Math.min();'    

     JavaScriptParser 

        evaluate:'Math.min(1);'    

     JavaScriptParser 

        evaluate:'Math.min(10,2);'    

     JavaScriptParser 

        evaluate:'Math.min(10,5,20);'    

    "

    "Modified (comment): / 15-12-2018 / 09:50:19 / Claus Gittinger"

!

min:n1 _:n2 _:n3

    "returns the smallest of 0 to 6 args"

    ^ (n1 min:n2) min:n3

    "

     JavaScriptParser 

        evaluate:'Math.min();'    

     JavaScriptParser 

        evaluate:'Math.min(1);'    

     JavaScriptParser 

        evaluate:'Math.min(10,2);'    

     JavaScriptParser 

        evaluate:'Math.min(10,5,20);'    

    "

    "Modified (comment): / 15-12-2018 / 09:50:22 / Claus Gittinger"

!

min:n1 _:n2 _:n3 _:n4

    "returns the smallest of 0 to 6 args"

    ^ (n1 min:n2) min:(n3 min:n4)

    "

     JavaScriptParser 

        evaluate:'Math.min(10,5,20,3);'    

    "

    "Modified (comment): / 15-12-2018 / 09:50:24 / Claus Gittinger"

!

min:n1 _:n2 _:n3 _:n4 _:n5

    "returns the smallest of 0 to 6 args"

    ^ ((n1 min:n2) min:(n3 min:n4)) min:n5

    "

     JavaScriptParser 

        evaluate:'Math.min(10,5,20,3,17);'    

    "

    "Modified (comment): / 15-12-2018 / 09:50:27 / Claus Gittinger"

!

min:n1 _:n2 _:n3 _:n4 _:n5 _:n6

    "returns the smallest of 0 to 6 args"

    ^ ((n1 min:n2) min:(n3 min:n4)) min:(n5 min:n6)

    "

     JavaScriptParser evaluate:'Math.min(10,5,20,3,17,1);'    

    "

    "Created: / 15-12-2018 / 09:46:45 / Claus Gittinger"

! !

!Math class methodsFor:'misc math'!

abs:aNumber

    "returns the absolute value of a number"

    ^ aNumber abs

    "

     JavaScriptParser evaluate:'Math.abs(-10);'    

    "

    "Modified (comment): / 21-08-2012 / 19:54:00 / cg"

!

binco:n _:k

    "returns the binomialcoefficient C(n,k) (n over k, choose k from n)"

    ^ n binomialCoefficient:k

    " Lotto:

     JavaScriptParser 

        evaluate:'Math.binco(49, 6);'               

    "

!

ceil:aNumber

    "returns the smallest integer greater than or equal to aNumber"

    ^ aNumber ceiling

    "

     JavaScriptParser evaluate:'Math.ceil(9.5);'    

    "

!

exp:aNumber

    "returns E^aNumber"

    ^ aNumber exp

    "

     JavaScriptParser evaluate:'Math.exp(1);'    

     JavaScriptParser 

        evaluate:'Math.log(Math.exp(1));'    

    "

!

fac:aNumber

    "returns the factorial of aNumber"

    ^ aNumber factorial

    "

     JavaScriptParser 

        evaluate:'Math.fac(10);'               

    "

!

floor:aNumber

    "returns the largest integer less than or equal to aNumber"

    ^ aNumber floor

    "

     JavaScriptParser evaluate:'Math.floor(9.5);'               

    "

!

gcd:a _:b

    "returns the greatest common divisor of a and b"

    ^ a gcd:b

    " 

     JavaScriptParser 

        evaluate:'Math.gcd(33, 6);'               

    "

!

ln:aNumber

    "returns the natural logarithm of aNumber."

    ^ aNumber ln

    "

     JavaScriptParser 

        evaluate:'Math.ln(10);'   

     JavaScriptParser 

        evaluate:'Math.exp(Math.ln(10));'   

    "

    "Created: / 10-06-2019 / 17:11:37 / Claus Gittinger"

!

log10:aNumber

    "returns the log base 10 of aNumber."

    ^ aNumber log10

    "

     JavaScriptParser 

        evaluate:'Math.log10(10);'              

    "

!

log:aNumber

    "returns the log base E of aNumber.