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var
assert
=
require
(
'assert'
)
,
math
=
require
(
'../index'
)
,
approx
=
require
(
'../tools/approx'
)
;
describe
(
'constants'
,
function
(
)
{
describe
(
'number'
,
function
(
)
{
it
(
'should have pi'
,
function
(
)
{
approx
.
equal
(
math
.
pi
,
3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651328230664
)
;
approx
.
equal
(
math
.
sin
(
math
.
pi
/
2
)
,
1
)
;
approx
.
equal
(
math
.
PI
,
math
.
pi
)
;
}
)
;
it
(
'should have tau'
,
function
(
)
{
approx
.
equal
(
math
.
tau
,
6.28318530717959
)
;
}
)
;
it
(
'should have phi, golden ratio'
,
function
(
)
{
approx
.
equal
(
math
.
phi
,
1.61803398874989484820458683436563811772030917980576286213545
)
;
}
)
;
it
(
'should have e (euler constant)'
,
function
(
)
{
approx
.
equal
(
math
.
e
,
2.71828182845905
)
;
assert
.
equal
(
math
.
round
(
math
.
add
(
1
,
math
.
pow
(
math
.
e
,
math
.
multiply
(
math
.
pi
,
math
.
i
)
)
)
,
5
)
,
0
)
;
assert
.
equal
(
math
.
round
(
math
.
eval
(
'1+e^(pi*i)'
)
,
5
)
,
0
)
;
}
)
;
it
(
'should have LN2'
,
function
(
)
{
approx
.
equal
(
math
.
LN2
,
0.69314718055994530941723212145817656807550013436025525412068000949339362196969471560586332699641868754200148102057068573
)
;
}
)
;
it
(
'should have LN10'
,
function
(
)
{
approx
.
equal
(
math
.
LN10
,
2.30258509299404568401799145468436420760110148862877297603332790096757260967735248023599720508959829834196778404228624863
)
;
}
)
;
it
(
'should have LOG2E'
,
function
(
)
{
approx
.
equal
(
math
.
LOG2E
,
1.44269504088896340735992468100189213742664595415298593413544940693110921918118507988552662289350634449699751830965254425
)
;
}
)
;
it
(
'should have LOG10E'
,
function
(
)
{
approx
.
equal
(
math
.
LOG10E
,
0.43429448190325182765112891891660508229439700580366656611445378316586464920887077472922494933843174831870610674476630373
)
;
}
)
;
it
(
'should have PI'
,
function
(
)
{
approx
.
equal
(
math
.
PI
,
3.14159265358979
)
;
}
)
;
it
(
'should have SQRT1_2'
,
function
(
)
{
approx
.
equal
(
math
.
SQRT1_2
,
0.70710678118654752440084436210484903928483593768847403658833986899536623923105351942519376716382078636750692311545614851
)
;
}
)
;
it
(
'should have SQRT2'
,
function
(
)
{
approx
.
equal
(
math
.
SQRT2
,
1.41421356237309504880168872420969807856967187537694807317667973799073247846210703885038753432764157273501384623091229702
)
;
}
)
;
it
(
'should have Infinity'
,
function
(
)
{
assert
.
strictEqual
(
math
.
Infinity
,
Infinity
)
;
}
)
;
it
(
'should have NaN'
,
function
(
)
{
assert
.
ok
(
isNaN
(
math
.
NaN
)
)
;
}
)
;
}
)
;
describe
(
'bignumber'
,
function
(
)
{
var
bigmath
=
math
.
create
(
{
number
:
'BigNumber'
,
precision
:
64
}
)
;
it
(
'should have bignumber pi'
,
function
(
)
{
assert
.
equal
(
bigmath
.
pi
.
toString
(
)
,
'3.141592653589793238462643383279502884197169399375105820974944592'
)
;
}
)
;
it
(
'should have bignumber tau'
,
function
(
)
{
assert
.
equal
(
bigmath
.
tau
.
toString
(
)
,
'6.283185307179586476925286766559005768394338798750211641949889184'
)
;
}
)
;
it
(
'should have bignumber phi, golden ratio'
,
function
(
)
{
assert
.
equal
(
bigmath
.
phi
.
toString
(
)
,
'1.618033988749894848204586834365638117720309179805762862135448623'
)
;
}
)
;
it
(
'should have bignumber e'
,
function
(
)
{
assert
.
equal
(
bigmath
.
e
.
toString
(
)
,
'2.718281828459045235360287471352662497757247093699959574966967628'
)
;
}
)
;
it
(
'should have bignumber LN2'
,
function
(
)
{
assert
.
equal
(
bigmath
.
LN2
.
toString
(
)
,
'0.6931471805599453094172321214581765680755001343602552541206800095'
)
;
}
)
;
it
(
'should have bignumber LN10'
,
function
(
)
{
assert
.
equal
(
bigmath
.
LN10
.
toString
(
)
,
'2.302585092994045684017991454684364207601101488628772976033327901'
)
;
}
)
;
it
(
'should have bignumber LOG2E'
,
function
(
)
{
assert
.
equal
(
bigmath
.
LOG2E
.
toString
(
)
,
'1.442695040888963407359924681001892137426645954152985934135449407'
)
;
}
)
;
it
(
'should have bignumber LOG10E'
,
function
(
)
{
assert
.
equal
(
bigmath
.
LOG10E
.
toString
(
)
,
'0.4342944819032518276511289189166050822943970058036665661144537832'
)
;
}
)
;
it
(
'should have bignumber PI (upper case)'
,
function
(
)
{
assert
.
equal
(
bigmath
.
PI
.
toString
(
)
,
'3.141592653589793238462643383279502884197169399375105820974944592'
)
;
}
)
;
it
(
'should have bignumber SQRT1_2'
,
function
(
)
{
assert
.
equal
(
bigmath
.
SQRT1_2
.
toString
(
)
,
'0.707106781186547524400844362104849039284835937688474036588339869'
)
;
}
)
;
it
(
'should have bignumber SQRT2'
,
function
(
)
{
assert
.
equal
(
bigmath
.
SQRT2
.
toString
(
)
,
'1.414213562373095048801688724209698078569671875376948073176679738'
)
;
}
)
;
it
(
'should have bignumber Infinity'
,
function
(
)
{
assert
(
bigmath
.
Infinity
instanceof
bigmath
.
type
.
BigNumber
)
;
assert
.
strictEqual
(
bigmath
.
Infinity
.
toString
(
)
,
'Infinity'
)
;
}
)
;
it
(
'should have bignumber NaN'
,
function
(
)
{
assert
(
bigmath
.
NaN
instanceof
bigmath
.
type
.
BigNumber
)
;
assert
.
equal
(
bigmath
.
NaN
.
toString
(
)
,
'NaN'
)
;
assert
.
ok
(
isNaN
(
bigmath
.
NaN
)
)
;
}
)
;
}
)
;
it
(
'should have i'
,
function
(
)
{
assert
.
equal
(
math
.
i
.
re
,
0
)
;
assert
.
equal
(
math
.
i
.
im
,
1
)
;
assert
.
deepEqual
(
math
.
i
,
math
.
complex
(
0
,
1
)
)
;
assert
.
deepEqual
(
math
.
sqrt
(
-
1
)
,
math
.
i
)
;
assert
.
deepEqual
(
math
.
eval
(
'i'
)
,
math
.
complex
(
0
,
1
)
)
;
}
)
;
it
(
'should have true and false'
,
function
(
)
{
assert
.
strictEqual
(
math
.
true
,
true
)
;
assert
.
strictEqual
(
math
.
false
,
false
)
;
assert
.
strictEqual
(
math
.
eval
(
'true'
)
,
true
)
;
assert
.
strictEqual
(
math
.
eval
(
'false'
)
,
false
)
;
}
)
;
it
(
'should have null'
,
function
(
)
{
assert
.
strictEqual
(
math
[
'null'
]
,
null
)
;
}
)
;
it
(
'should have version number'
,
function
(
)
{
assert
.
equal
(
math
.
version
,
require
(
'../package.json'
)
.
version
)
;
}
)
;
}
)
;
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