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4236 Commits

Author SHA1 Message Date
Jeroen van Rijn
c1a001c331 big: Add randomized testing. 2021-08-11 20:59:52 +02:00
Jeroen van Rijn
13fab36639 big: Fix mul. 2021-08-11 20:59:52 +02:00
Jeroen van Rijn
708389a7ee big: Improve test driver. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
fb6c9af1ae big: Improve tests. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
85aa4dd670 big: Start test suite. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
74258a170a big: fix itoa base PoT other than 16. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
2fbff25a18 big: Improve int_bitfield_extract. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
9c150381bf big: Add rand. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
531c4936dd big: Add root_n. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
2aae1016ab big: Add sqrt. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
9c2468ecf7 big: Add atoi. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
0a431eef19 big: Add another way to estimate radix size. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
9646d1f2b8 big: Add submod, mulmod, sqrmod. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
5f7aeb3045 big: Add mod and addmod. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
1ebaa9fb3b big: itoa now works for arbitrary radixes. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
c2255c6c19 big: Add div. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
2884fa5506 big: add div by 3. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
31c94bd7f8 big: Finish log, fix sqr. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
5f63e3952e big: Correct pow bugs from the original. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
d953e40fb3 big: Add pow. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
c3a4d7dda2 big: Fast square method. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
b4a29844e9 big: Add multiplication. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
0254057f1b big: Add swap. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
f34ba44bf8 big: Add shl, shr and shrmod. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
d4d863c4db big: Add mod_power_of_two. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
78c0877994 big: Add get(a, type) and get_float. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
1d0b37c1d8 big: add shl1, shr1. 2021-08-11 20:59:51 +02:00
Jeroen van Rijn
7648f2e655 big: Finish big ZII refactor. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
d9efa6c8b5 big: More ZII refactoring. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
2e372b33a3 big: More ZII refactoring. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
687c211a58 big: ZII. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
4eadd0867d big: Continuing to refactor. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
9dba17cf87 bigint: refactor to big.Int instead of bigint.Int. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
baef0c291d bigint: Added some more helpers. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
cccd290834 bigint: Add is_power_of_two helper. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
5af85aed3d bigint: itoa support for arbitrary precision if is_power_of_two(radix) 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
e600e5947b bigint: remove unnecessary boundary checks. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
d7ae611f76 bigint: itoa now writes backwards directly, no need to reverse after. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
04a83eb9f7 bigint: pass size to itoa_raw. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
341e8a3c99 bigint: itoa works for numbers <= 120 bits. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
e3d8ac559d bigint: Fast paths for radix code. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
767948ab46 bigint: log_n for bases that fit within one DIGIT or are a power of two. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
dbcd8da733 bigint: Working on itoa and logn. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
905d5459a9 bigint: Add count_bits and more prep. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
dfd5a993a2 bigint: Prepare for multiplication. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
daceaa65f5 bigint: Add substractin with immediate. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
c2c07f07db Add single DIGIT addition. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
c5cbd3260a bigint: Add prototypes for immediate add+sub. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
d57e1be89f bigint: Improve add. 2021-08-11 20:59:50 +02:00
Jeroen van Rijn
18dda6ff9d Start of core:math/bigint 
We have:
- `init` to create a new `Int`
- `init(from_integer)` to create a new `Int` and set it to `from_integer`.
- `set(Int, from_integer)` to set an `Int` to `from_integer`
- `add(dest, a, b)` to add `a` and `b` into `dest`.
- `sub(dest, a, b)` to subtract `b` from `a` and put the result in `dest`.

And a few helper functions, like:
- `is_zero`, `is_negative`, ...
- `grow`, `shrink`, `clear`, `zero`
 2021-08-11 20:59:50 +02:00