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Author SHA1 Message Date
terry
04b54abf9e use to determine whether it equals 0 or not. 
r.Cmp(zeroInt) != 0 => r.Sign() != 0
 2022-11-05 14:10:29 +08:00
Mateusz Woś
f55dd56454
Migrate to Github Actions (#245) 
* Migrate to Github Actions
* Remove architecture param
* Remove Travis config, update readme
 2022-04-18 23:54:26 +02:00
Mateusz Woś
fa3b22f4d4
Fix incorrect calculation of decimal modulo (#258) 2021-10-21 11:22:23 +02:00
Mateusz Woś
683f5e1a7e
Release version 1.3.1 (#255) 2021-10-20 13:17:51 +02:00
lmittmann
bc96f543c2
Reduce memory allocation in case of initialization from big.Int (#252) 
* reduced allocs in NewFromBigInt(...) from 3 -> 2
* remaining `big.NewInt(0).Set(...)` -> `new(big.Int).Set(...)`
 2021-10-20 13:11:07 +02:00
Gaylor Bosson
cd57bf11a4
Fix binary marshalling of decimal zero value (#253) 
* Fix binary marshalling of zero value
* Adapt the error message of BinaryUnmarshal
 2021-10-20 12:49:41 +02:00
Mateusz Woś
2ae6f298b8
Release version 1.3.0 (#250) 2021-10-14 01:55:53 +02:00
Mateusz Woś
283b007e5f
Reformat code base and update decimal copy docs (#249) 2021-10-12 12:11:39 +02:00
Ruben de Vries
3259e0a2de
Add NewNullDecimal init method (#234) 2021-10-12 11:07:45 +02:00
Ilya Glukhov
013e52d4e9
Add Copy func (#123) 
* Add Copy method
Co-authored-by: habuvo <Sin90is0>
 2021-10-12 02:17:36 +02:00
Mateusz Woś
46544472a5
Add implementation of natural exponent function (Taylor, Hull-Abraham) (#229) 
* Add implementation of natural exponent function (Taylor, Hull-Abraham)
* Update docs
* Improve docs, handle multithreading race condition in exp method
 2021-10-11 18:39:38 +02:00
Mateusz Woś
9ffd602a49
Update Travis-CI configuration (#246) 
* Update Travis-CI configuration
* Migrate to travis-ci.com
 2021-09-12 13:37:52 +02:00
Mateusz Woś
b11a7c46d7
Add implementation of CoefficientInt64 method (#244) 
* Add implementation of CoefficientInt64 method
 2021-09-10 15:48:44 +02:00
Denis
483a047db9
Improve performance of Abs() and Round() (#240) 2021-09-09 13:03:13 +02:00
James Harris
cc4584f0a5
Add slice range checks to UnmarshalBinary() (#232) 
* Add slice range checks to `UnmarshalBinary()`.
* Avoid use of `%w` verb with `Errorf()` for compatibility with older Go versions.
 2021-06-23 00:24:56 +02:00
Felipe Neuwald
501661573f
Add InexactFloat64 method (#205) 
* Add func (d Decimal) MustFloat64()
* renames MustFloat64 to InexactFloat64
 2021-03-30 01:12:37 +02:00
Vu Long (Drake)
f77bb07828
Modify Rounding methods (#220) 
* Change function name from RoundUp -> RoundCeil, RoundDown -> RoundFloor
* Add a new RoundUp and RoundDown methods
* Modify the docs of RoundUp and RoundDown
 2021-03-14 22:09:56 +01:00
Bharath Ramesh
9328d16578
Added XML support for NullDecimal (#192) 
* Added UnmarshalText and MarshalText support for NullDecimal
* Add tests for XML operations on NullDecimal
 2021-02-18 23:32:50 +01:00
Vu Long (Drake)
99f4d74cf2
Fix wrong return RoundUp/RoundDown because of value after rescaled is ignore (#202) 2021-01-18 00:50:46 +01:00
Jason Biegel
2740f7f782 update changelog 2021-01-09 23:26:47 -05:00
nknordeen
0cada0bdfe
optimize NewFromString a bit (#198) 
* optimize NewFromString a bit

* add benchmark for large number

Co-authored-by: Nicholas Nordeen <nnordeen@fanatics.com>
 2021-01-09 23:15:12 -05:00
Mateusz Woś
8bd41ac55d
Implement RoundUp and RoundDown methods (#196) 
* Implement RoundUp and RoundDown methods
 2020-12-11 13:41:11 -05:00
sreekanth370
66332b32a9
Add power architecture support (ppc64le) to CI configuration (#188) 2020-12-01 11:15:53 +01:00
Jason Biegel
13425bb201 added vs code to gitignore 2020-11-19 00:23:29 -05:00
Mateusz Woś
ebbf8bbe36
Implement new initialization function - NewFromFormattedString (#184) 
* Implement new initialization function - NewFromFormattedString
* Redefine docstring
 2020-09-14 19:29:03 +02:00
mwoss
5a22b86679 Fix documentation in RoundBank method 2020-08-20 23:47:45 +02:00
jonson
867ed12000
fix the rounding bug in roundShortest method (#161) 
* fix: fix rounding in FormatFloat fallback path
 2020-07-07 09:05:46 +02:00
Mateusz Woś
6fe01c1abd
Implement IsInteger method (#179) 2020-07-01 01:20:32 +02:00
Mateusz Woś
2568a29459
Release version 1.2.0 (#175) 
v1.2
 2020-04-28 17:23:09 -04:00
Mateusz Woś
480f653de8
Update documentation, clean up package level documentation (#173) 
* Update documentation, clean up package level documentation
 2020-04-27 22:35:36 -04:00
Mateusz Woś
c939845a68
Improve go report cards score (#174) 
* Improve go report cards score
 2020-04-27 02:03:21 -04:00
Mateusz Woś
1884f454f8
Add new helper methods: BigInt, BigFloat (#171) 
* Add new helper methods: BigInt, BigFloat
* Add few tests cases showing loss of precision after casting
 2020-04-20 00:29:39 +02:00
Mateusz Woś
f1c1aead5a
Drop support for Go versions older than 1.7 (#172) 
* Drop support for Go versions older than 1.7
* Update README.md
 2020-04-20 00:18:35 +02:00
Mateusz Woś
feafbe1d95
CI, test build on the three latest Go version and the oldest one available (#170) 2020-04-19 19:24:39 +02:00
Jason Biegel
02e2044944
Revert remove insignificant digits (#159) 
* revert original remove insignificant change (PR 46), and add the logic back as a function
 2020-02-27 15:28:07 -05:00
Jason Biegel
a08b92da27 add intellij to gitignore 2020-02-25 19:50:30 -05:00
Jason Biegel
6c07c6ca86
remove 15 interval RoundCash (#166) 
* remove 15 interval RoundCash

* update function doc

* Remove comments and benchmark referring interval 15

Co-authored-by: Mateusz Woś <wos.mateusz16@gmail.com>
 2020-02-25 19:44:03 -05:00
Mateusz Woś
408a2507e1
Remove unnecessary decimal rescaling - memory usage optimization (#160) 
* Remove unnecessary decimal rescaling

* Move benchmarks to separate file, add new benchmark tests
 2020-01-06 00:12:15 +01:00
Jason Biegel
96defcb63c Run go fmt (#162) 2020-01-05 15:46:53 +01:00
Mateusz Woś
360f2bc030
Add support for Go modules (#157) 2019-11-30 23:07:10 +01:00
Mathieu Post
bc70c3beb9 Add NewFromInt and NewFromInt32 (#72) 
Add NewFromInt and NewFromInt32
 2019-11-29 00:17:06 -05:00
Jason Biegel
ff9ed33395
reapply travis go version fix from 75bb2cb9 (#156) 2019-11-29 00:04:20 -05:00
Jason Biegel
b054a8dfd1 Revert "decimal: add decomposer interface" 
This reverts commit 75bb2cb98e.
 2019-11-24 22:55:19 -05:00
Jason Biegel
f1972eb1d1
Merge pull request #137 from lantw44/master 
Fix decoding of .0
 2019-10-08 22:57:16 -04:00
Jason Biegel
2677b5dba8
Merge pull request #144 from forsaken628/patch-1 
fix: Coefficient panic
 2019-10-08 22:49:08 -04:00
Jason Biegel
a36b5d85f3
Merge pull request #141 from kardianos/kardianos-decomposer 
decimal: add decomposer interface
 2019-09-05 10:42:23 -04:00
Daniel Theophanes
75bb2cb98e decimal: add decomposer interface 
For golang/go#30870
 2019-09-04 15:36:13 -07:00
coldWater
62587fc365
fix: Coefficient panic 
call Coefficient on uninitialized Decimal will panic
 2019-06-17 18:13:00 +08:00
Ting-Wei Lan
f39378d939 Fix decoding of .0 
Since trailing 0 digits after the decimal point are trimmed, intString
becomes an empty string when there is no digit before the decimal point
and all digits after the decimal point is 0, causing big.Int SetString
to fail because there is no string to parse.

Fix #134.
 2019-02-19 17:00:26 +08:00
Klaus Post
cd690d0c9e Make NewFromFloat respect the precision of the input (#100) 
* Make NewFromFloat respect the precision of the input

Restores the previous behaviour where input converted from float is truncated at the precision of the float.

The precision is depending on the actual value. Simply making it 15 digits would make it faster, but would in some cases lose some precision. So the code from the stdlib that does this calculation (very well) has been included.

Lots of good articles here: https://www.exploringbinary.com/decimal-precision-of-binary-floating-point-numbers/

Performance is around the same as the previous string roundtrip since it basically does the same, but allocations are a bit less.

`BenchmarkNewFromStringFloat` is the old method, `BenchmarkNewFromFloat` is the new.

```
BenchmarkNewFromFloatWithExponent-8     10000000               260 ns/op             174 B/op          4 allocs/op
BenchmarkNewFromFloat-8                  2000000               744 ns/op              90 B/op          2 allocs/op
BenchmarkNewFromStringFloat-8            2000000               822 ns/op             258 B/op          6 allocs/op
```

* Update Sin/Tan/Cos tests.
 2018-07-09 16:31:17 -04:00