da64b05e6d
math.functions: adding e^-1.
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This is for calculating e^x-1 for small values more accurately. You can also
call expm1(x) function if you want, and it's available on your platform.
FUNCTION: double expm1 ( double x )
2019-11-05 10:19:32 -08:00
3f0ff53369
math.functions: add logit function and a test.
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sigmoid is known as expit in scipy
2019-02-24 11:15:58 -06:00
4c96c9343c
basis/math: add logn to math.functions ( fix #1981 )
2018-03-22 15:11:45 -07:00
9dbfc9351c
math.functions: nan: -> NAN: oops
2017-12-28 00:43:51 -08:00
099549940a
math.functions: disable a test.
2017-12-27 22:28:20 -08:00
0ac181c797
tools.test: Fix unit-test~ and a couple of tests.
2017-07-23 11:50:52 -05:00
62129ffea4
basis: Add unit-test~ and unit-test-v~ for testing floats.
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Use unit-test~ in math.functions in some places to make sure we like it.
2017-07-22 18:47:59 -05:00
c503659a93
math.functions: fix another test impacted by float truncate change.
2017-06-10 13:33:01 -07:00
57de1f5ab0
math.functions: make -0.3 truncate return 0.0 instead of -0.0.
2017-06-08 11:27:48 -07:00
80e9d7c115
move math.extras:round-to-even to math.functions to use in basis:formatting
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Also add round-to-odd in case it is needed.
Also change float rounding to be independent of the current rounding mode
2017-06-08 11:23:37 -07:00
34f36a529e
math.functions, speed up truncate for floats
2017-06-08 11:22:40 -07:00
c74cfe6c54
math.functions: fix truncate and round to output -0.0 for negative floats near 0
2017-06-08 11:22:40 -07:00
271c7d9519
math.functions, fix round for ratios between -1/2 and -1
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it was outputting 1 instead of -1
2017-06-08 11:22:40 -07:00
c6fad4aa61
math.ratios: moving to core.
2015-07-30 10:31:00 -07:00
892c62e1dc
factor: second stab at [ ] [ ] unit-test -> { } [ ] unit-test
2015-07-03 09:39:59 -07:00
59f3b1ea57
Revert "factor: rename [ ] [ ] unit-test -> { } [ ] unit-test using a refactoring tool!"
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Needs a bit more work.
This reverts commit 7e54cc2824
2015-07-02 13:47:06 -07:00
7e54cc2824
factor: rename [ ] [ ] unit-test -> { } [ ] unit-test using a refactoring tool!
2015-07-02 11:36:08 -07:00
55b2fb0802
math.functions: implement ldexp.
2013-04-24 11:19:24 -07:00
360c2ee5a7
math.functions: remove round-to.
2013-04-01 17:02:44 -07:00
4c941e8996
math.functions: speed up round (thanks Loryn Jenkins!)
2013-03-26 14:22:21 -07:00
422ccf9901
math.functions: adding "round-to".
2013-01-30 09:41:21 -08:00
d10fd71cb3
math.functions: implement copysign.
2012-06-01 08:24:35 -07:00
31c7bd8e86
math.functions: adding generalized signum function. Fixes #509 .
2012-05-03 14:44:10 -07:00
f6398365bd
math.functions: rename exp to e^ to be consistent with 2^ and 10^. update things.
2012-05-02 10:22:23 -07:00
fee4d76b73
math.functions: Add e^ and sigmoid functions.
2012-05-02 09:21:34 -07:00
7a15418cf4
math.functions: adding another test for roots.
2012-04-19 13:34:42 -07:00
adc7b22997
math.functions: adding "roots" word to get arbitrary roots from numbers.
2012-04-19 12:19:14 -07:00
1e8eb18216
math.functions: adding docs and tests for ^mod.
2012-04-19 08:20:11 -07:00
943596575a
use radix literals
2011-11-23 19:03:40 -08:00
cf54ce8e42
math.functions: when gcd is inlined, "gcd nip" is almost as good as "gcd*".
2011-10-18 10:30:39 -07:00
ac98269f53
math.functions: faster gcd means faster ratios.
2011-10-17 20:36:28 -07:00
954bf89c40
math.functions: clean up some more to trim back load-time dependencies; alter tests to avoid inexact float constants where possible and hex-ify inexact constants otherwise
2011-09-22 16:04:49 -07:00
90dbb84663
math.functions: test log with negative (really) bignums.
2011-09-22 11:15:06 -07:00
077ef8ed5b
math.functions: implement "frexp" and support log of really big numbers. Fixes #160 .
2011-09-22 09:42:28 -07:00
efe79cf6d3
math.functions: make sure zero zero ^ is always nan, regardless of the type of zero
2011-08-01 10:26:53 -07:00
fab5cbc6b9
fix float integer^ for denormal results
2009-11-01 00:43:04 -05:00
0a29e64287
math.functions: ~ now raises an invalid operation FP trap if one of the inputs is NaN
2009-09-29 23:41:08 -05:00
fe0701deb1
math.functions: fix ~ with negative (relative) tolerance
2009-09-22 03:19:47 -05:00
4f702de449
math.functions: more accurate log10 (fixes problem reported by OneEyed)
2009-09-14 16:19:58 -05:00
abedea0ccb
math.functions: loosen tests up a bit since exp(1) on FreeBSD x86/64 differs from e in the last bit
2009-09-13 22:33:12 -05:00
7983b5515f
math.functions: some fixes
2009-08-30 06:19:14 -05:00
a2640672d7
«0.0 1.0 ^» was returning 0 instead of 0.0
2009-06-11 17:47:52 -05:00
e38e805015
math.functions: fix ^ for complex numbers
2009-05-31 23:28:29 -05:00
2a00f10d1a
lerp functions
2009-05-05 13:55:00 -05:00
0ffd43e2e3
1.0/0.0 => 1/0.
2009-04-13 19:48:08 -05:00
c698a83a12
Add divisor? math function
2009-04-01 19:29:19 -04:00
127f9b3578
Add unit tests for bignum bug
2009-02-22 19:41:47 -06:00
34792a9f23
Remove >r/r>
2008-12-17 19:17:37 -06:00
4c0f2cc3f5
Move factor-2s from miller-rabin to math.functions; use it to make ^ more efficient
2008-11-11 11:30:47 -06:00
cc7ab11881
Add more unit tests
2008-11-07 20:34:04 -06:00
John Benediktsson
Doug Coleman
Cat Stevens
Jon Harper
Joe Groff
Slava Pestov
Slava Pestov
Aaron Schaefer
unknown