Taylor R Campbell [Wed, 7 Nov 2018 16:26:23 +0000 (16:26 +0000)]
Fix prototypes for x87_read/write_environment.
Taylor R Campbell [Wed, 7 Nov 2018 16:00:48 +0000 (16:00 +0000)]
Use a fresh random state for randomized tests.
Taylor R Campbell [Wed, 7 Nov 2018 07:53:44 +0000 (07:53 +0000)]
More floating-point parameters.
Taylor R Campbell [Wed, 7 Nov 2018 07:52:46 +0000 (07:52 +0000)]
New primitive (get-entropy bv) randomly fills a 32-byte vector.
Taylor R Campbell [Wed, 7 Nov 2018 07:40:12 +0000 (07:40 +0000)]
Turn off -Werror here; breaks configure.
Should turn it back on somewhere else.
Taylor R Campbell [Wed, 7 Nov 2018 05:35:36 +0000 (05:35 +0000)]
Missed a run-sub-test.
Taylor R Campbell [Wed, 7 Nov 2018 05:33:52 +0000 (05:33 +0000)]
New procedure (bytevector-zero-explicit! <bv> [<start> [<end>]]).
Intended to zero the memory backing a bytevector even if the values
will never be used again and an aggressively optimizing compiler can
prove that.
Doesn't actually work (GC can move stuff without zeroing it) but it
may help to have it in order to tag where it _would_ be needed if we
could make it work in the future.
Taylor R Campbell [Wed, 7 Nov 2018 05:24:41 +0000 (05:24 +0000)]
Fix indentation.
Taylor R Campbell [Wed, 7 Nov 2018 05:10:18 +0000 (05:10 +0000)]
Make some of my stupid old randomized tests a little less slow.
Would be better to rewrite these so they're not as stupid.
Taylor R Campbell [Wed, 7 Nov 2018 05:08:02 +0000 (05:08 +0000)]
Halfway fix some broken tests.
- Use with-test-properties, not run-sub-test.
- Disable run-sub-test in the test environment; it doesn't make sense
for tests to call it.
- Add a rudimentary expect-failure. (Feel free to spruce this up
with a message detailing the nature of the expectation, a note in
the final report, &c.)
- Partly fix test-char-set.scm, which was silently nonfunctional
because of run-sub-test. Leave an xfail for the part I don't know
how to fix. (Chris -- if you could fix this, that would be great!)
Taylor R Campbell [Wed, 7 Nov 2018 04:03:28 +0000 (04:03 +0000)]
Depend on x11-const directly, not via a stamp and submake.
Going via the submake means parallel make can get confused and cause
two processes to try to build the same thing at the same time and
stomp on each other's toes.
Taylor R Campbell [Wed, 7 Nov 2018 03:08:47 +0000 (03:08 +0000)]
Make the C compiler warnings that we subscribe to fatal.
Taylor R Campbell [Wed, 7 Nov 2018 03:08:28 +0000 (03:08 +0000)]
Confirm the primitive respects the bounds too.
Taylor R Campbell [Wed, 7 Nov 2018 02:52:37 +0000 (02:52 +0000)]
Simplify construction of chacha core test vector tests.
Taylor R Campbell [Wed, 7 Nov 2018 02:52:17 +0000 (02:52 +0000)]
Test fenceposts in chacha core primitives.
Taylor R Campbell [Wed, 7 Nov 2018 02:39:25 +0000 (02:39 +0000)]
Unfix the fix for an off-by-zero.
arg_ulong_index_integer(argno, n) takes n as _exclusive_ upper bound.
In this case, n - 64 is a valid starting index. So the exclusive
upper bound is n - 64 + 1 = n - 63.
Taylor R Campbell [Wed, 7 Nov 2018 02:39:20 +0000 (02:39 +0000)]
Fix more formatting.
Chris Hanson [Tue, 6 Nov 2018 05:53:04 +0000 (21:53 -0800)]
Eliminate unused variable warnings.
Chris Hanson [Tue, 6 Nov 2018 05:51:23 +0000 (21:51 -0800)]
Fix a bug in prchacha: compiler warned of unused variable.
Also there was an off-by-one thinko, and incorrect PRIMITIVE_HEADER arguments.
While I was at it I tweaked the formatting a little.
Taylor R Campbell [Mon, 5 Nov 2018 04:41:14 +0000 (04:41 +0000)]
Fix sign of (flo:ulp -infinity). Simplify.
flo:ulp is supposed to return a positive magnitude, in particular the
absolute distance from x to the next larger floating-point number in
magnitude.
Taylor R Campbell [Mon, 5 Nov 2018 04:40:00 +0000 (04:40 +0000)]
Tidy up ieee754.scm, add some tests, and export some of it.
Chris Hanson [Sun, 4 Nov 2018 04:55:19 +0000 (21:55 -0700)]
Allow sequences to contain zero elements.
Chris Hanson [Fri, 2 Nov 2018 05:07:12 +0000 (22:07 -0700)]
Don't use upper-case symbols in loader.
The system might be in a non-case-fold mode.
Chris Hanson [Fri, 2 Nov 2018 03:31:37 +0000 (20:31 -0700)]
Don't print internals of promises.
Chris Hanson [Fri, 2 Nov 2018 03:29:37 +0000 (20:29 -0700)]
Fix printing of promises.
Chris Hanson [Thu, 1 Nov 2018 05:42:43 +0000 (22:42 -0700)]
Merge branch 'release-10'
Chris Hanson [Thu, 1 Nov 2018 05:41:45 +0000 (22:41 -0700)]
Make macos dmg file read only.
Chris Hanson [Thu, 1 Nov 2018 01:55:47 +0000 (18:55 -0700)]
Fix problem with building and installing x11 plugin from native dist.
Taylor R Campbell [Wed, 31 Oct 2018 16:44:43 +0000 (16:44 +0000)]
Comment what log-logistic and logit-exp are for.
Taylor R Campbell [Wed, 31 Oct 2018 16:37:32 +0000 (16:37 +0000)]
Define (flo:ulp x) to be distance to next float in direction of x.
Thus, (flo:ulp 1.) = (flo:ulp -1.) = flo:ulp-of-one. Bottoms out at
infinity: (flo:ulp x) = x if x is infinite. This definition applies
to zero, too, giving the smallest subnormal.
Taylor R Campbell [Wed, 31 Oct 2018 16:35:54 +0000 (16:35 +0000)]
Add Mode: C line on request from mejja.
(Not keen to otherwise reformat this code from an upstream, though.)
Taylor R Campbell [Tue, 30 Oct 2018 16:16:38 +0000 (16:16 +0000)]
Clarify some comments.
Taylor R Campbell [Tue, 30 Oct 2018 16:04:13 +0000 (16:04 +0000)]
Reorganize logsumexp for clarity. No functional change.
Taylor R Campbell [Tue, 30 Oct 2018 15:59:04 +0000 (15:59 +0000)]
Mask underflow exception in logsumexp because it doesn't matter.
Taylor R Campbell [Tue, 30 Oct 2018 15:41:22 +0000 (15:41 +0000)]
Add (logsumexp (list 1 2 3)) = (log (+ (exp 1) (exp 2) (exp 3))).
Chris Hanson [Tue, 30 Oct 2018 04:30:33 +0000 (21:30 -0700)]
Don't assume that it's possible to run MIT_SCHEME_EXE during configuration.
This won't work with a native distribution, since there may not be a working
scheme on the host. Instead use other ways to do the necessary work.
Chris Hanson [Tue, 30 Oct 2018 01:43:02 +0000 (18:43 -0700)]
Bump revision to 10.1.1 to fix stupid bug.
Chris Hanson [Sun, 28 Oct 2018 23:08:29 +0000 (16:08 -0700)]
Reduce default heap size for 32-bit systems.
During build was getting sporadic "unable to mmap heap" errors.
Chris Hanson [Sun, 28 Oct 2018 22:10:02 +0000 (15:10 -0700)]
Fix typo in previous change.
Taylor R Campbell [Sun, 28 Oct 2018 19:56:35 +0000 (19:56 +0000)]
Eliminate flo:epsilon.
The name is confusing. It means two different things: the distance
from 1 to the next positive floating-point number, and the maximum
relative error of rounding to the nearest floating-point number.
Provide the separate names flo:ulp-of-one and flo:error-bound for
these so that you're not even tempted to be confused by the name
`epsilon'.
(But continue to say `eps' in the proofs in the comments where it's
obvious that we're talking about relative error bounds and a short
name for that is essential for legibility.)
Taylor R Campbell [Sun, 28 Oct 2018 04:13:26 +0000 (04:13 +0000)]
Tidy up error analysis of logit and logistic.
Add (logit1/2+ p) = (logit (+ 1/2 p)) and (logistic-1/2 x) = (-
(logistic x) 1/2), for reasons like log1p and expm1. Add some
trivial tests of the edge cases they cover where logit and logistic
are ill-conditioned.
Chris Hanson [Sun, 28 Oct 2018 03:43:38 +0000 (20:43 -0700)]
Merge branch 'release-10'
Chris Hanson [Fri, 26 Oct 2018 02:02:51 +0000 (19:02 -0700)]
No need to separately configure plugins.
Chris Hanson [Fri, 26 Oct 2018 02:02:36 +0000 (19:02 -0700)]
Change "module" to "plugin".
Chris Hanson [Sun, 28 Oct 2018 03:41:15 +0000 (20:41 -0700)]
Eliminate compiler warning.
Chris Hanson [Sat, 27 Oct 2018 23:49:09 +0000 (16:49 -0700)]
Use create-dmg script to automate building of macOS image.
Chris Hanson [Sat, 27 Oct 2018 22:40:58 +0000 (15:40 -0700)]
Fix a couple of compiler warnings from 32-bit system.
Chris Hanson [Sat, 27 Oct 2018 05:20:16 +0000 (22:20 -0700)]
Merge branch 'release-10' of git.sv.gnu.org:/srv/git/mit-scheme into release-10
Chris Hanson [Sat, 27 Oct 2018 05:19:58 +0000 (22:19 -0700)]
Fix thinko.
Chris Hanson [Sat, 27 Oct 2018 05:19:42 +0000 (22:19 -0700)]
Eliminate unavailable (and unused) load option.
Taylor R Campbell [Sat, 27 Oct 2018 02:45:23 +0000 (02:45 +0000)]
Forgot to define this. Ummm, I guess cref accidentally made it work?
Taylor R Campbell [Sat, 27 Oct 2018 02:37:06 +0000 (02:37 +0000)]
Expose flo:radix = 2 too, just for good measure, and for assertions.
Taylor R Campbell [Sat, 27 Oct 2018 02:21:06 +0000 (02:21 +0000)]
Export primitive flonum-denormalize as flo:ldexp and flo:scalbn.
These are the familiar -- and when FLT_RADIX = 2, equivalent -- names
for the operation in libm.
`Denormalize' is not right: neither does it turn a normal number into
a subnormal, nor does it put anything into a canonical interval like
[1/2, 1) or [1, 2). I personally favour `shift' -- it is, in Z, the
same as the bitwise shift operation. But unless anyone else wants to
join me against this windmill I'll just stay with the familiar if
ugly libm names.
Taylor R Campbell [Sat, 27 Oct 2018 02:11:27 +0000 (02:11 +0000)]
Disable errno checking in libm functions.
If there's a floating-point exception, we have a mechanism for
dealing with it -- and continuing without a trap if the user so
desires.
Leave in the restriction on flo:log1p and flo:expm1 because those are
implementation limitations in the i386 compiler; the full functions
are implemented in the runtime.
Taylor R Campbell [Sat, 27 Oct 2018 02:11:14 +0000 (02:11 +0000)]
log1pexp(x) is never exactly x even if that's the best approximation.
Taylor R Campbell [Sat, 27 Oct 2018 02:05:18 +0000 (02:05 +0000)]
Tabify.
Taylor R Campbell [Sat, 27 Oct 2018 02:04:17 +0000 (02:04 +0000)]
Use named constants rather than magic numbers.
Taylor R Campbell [Sat, 27 Oct 2018 01:39:58 +0000 (01:39 +0000)]
Define and export some more floating-point parameters.
Chris Hanson [Sat, 27 Oct 2018 00:52:46 +0000 (17:52 -0700)]
Fix typo.
Chris Hanson [Sat, 27 Oct 2018 00:38:36 +0000 (17:38 -0700)]
Update make-doc-files to work with plugins.
Taylor R Campbell [Sat, 27 Oct 2018 00:37:54 +0000 (00:37 +0000)]
test-driver is autocrud too.
Chris Hanson [Sat, 27 Oct 2018 00:38:05 +0000 (17:38 -0700)]
Change way that plugins are registered so that lib and doc are separate.
This is needed when building just the documentation, as for the release.
Taylor R Campbell [Sat, 27 Oct 2018 00:23:12 +0000 (00:23 +0000)]
Simple-minded criterion to compute x^-y by 1/x^y was too simple.
For any |x| > 1, we can't do this without comparing the size of
log(x) and y well enough to discern what might yield subnormal, so
might as well just compute the general case then.
Taylor R Campbell [Sat, 27 Oct 2018 00:03:42 +0000 (00:03 +0000)]
Omit unnecessary case for logistic. Add a test for this case.
The relative error is small in naive evaluation of 1/(1 + e^{-x})
even if x is very negative.
Chris Hanson [Fri, 26 Oct 2018 23:47:16 +0000 (16:47 -0700)]
Fix potential shell portability issues.
Taylor R Campbell [Fri, 26 Oct 2018 23:41:39 +0000 (23:41 +0000)]
Extend expt to generate subnormals with exact integer exponents.
Taylor R Campbell [Fri, 26 Oct 2018 23:32:37 +0000 (23:32 +0000)]
Expose the minimum and maximum finite normal floating-point exponents.
Taylor R Campbell [Fri, 26 Oct 2018 16:53:13 +0000 (16:53 +0000)]
Add some .gitignore files so I can use git status.
Taylor R Campbell [Fri, 26 Oct 2018 16:20:09 +0000 (16:20 +0000)]
New primitives for ChaCha stream cipher core.
Should maybe provide a version that produces many blocks of output,
and perhaps xor's them into an existing message, but this will do for
my needs now. Plan to use this for a PRNG.
Taylor R Campbell [Fri, 26 Oct 2018 16:17:41 +0000 (16:17 +0000)]
Fix unparser->print method fallout.
Taylor R Campbell [Fri, 26 Oct 2018 16:17:10 +0000 (16:17 +0000)]
Avoid using uninitialized stack garbage.
Taylor R Campbell [Fri, 26 Oct 2018 16:15:28 +0000 (16:15 +0000)]
clock() returns (clock_t)-1 on error, not necessarily negative.
If clock_t is unsigned, n < 0 is always false. Compare for equality
with (clock_t)-1.
Chris Hanson [Fri, 26 Oct 2018 03:15:52 +0000 (20:15 -0700)]
Add plugin docs to doc files.
Chris Hanson [Fri, 26 Oct 2018 03:15:40 +0000 (20:15 -0700)]
More version numbers.
Chris Hanson [Fri, 26 Oct 2018 03:15:26 +0000 (20:15 -0700)]
Remove no-longer-needed args to configure.
Chris Hanson [Fri, 26 Oct 2018 02:20:04 +0000 (19:20 -0700)]
More version numbers.
Chris Hanson [Fri, 26 Oct 2018 02:06:25 +0000 (19:06 -0700)]
Update some version numbers.
Chris Hanson [Fri, 26 Oct 2018 02:02:51 +0000 (19:02 -0700)]
No need to separately configure plugins.
Chris Hanson [Fri, 26 Oct 2018 02:02:36 +0000 (19:02 -0700)]
Change "module" to "plugin".
Chris Hanson [Thu, 25 Oct 2018 21:21:08 +0000 (14:21 -0700)]
Bug reported by Arthur: case-fold-string was dropping tail of string.
Chris Hanson [Thu, 25 Oct 2018 20:59:31 +0000 (13:59 -0700)]
Add --no-init-file to those places that might be calls to 9.2.
This isn't needed any more since --no-init-file is implied by --batch-mode, and
can be removed after the next release.
Taylor R Campbell [Thu, 25 Oct 2018 05:33:57 +0000 (05:33 +0000)]
Apply the same bound to the other region.
Taylor R Campbell [Thu, 25 Oct 2018 05:25:37 +0000 (05:25 +0000)]
...yes, I know how to count.
Taylor R Campbell [Thu, 25 Oct 2018 05:22:00 +0000 (05:22 +0000)]
Catch more stray `.' loitering around.
Taylor R Campbell [Thu, 25 Oct 2018 05:21:46 +0000 (05:21 +0000)]
Clarify justification for ditching the denominator.
Taylor R Campbell [Thu, 25 Oct 2018 05:20:53 +0000 (05:20 +0000)]
log(a/b), not log(a)/log(b).
Taylor R Campbell [Thu, 25 Oct 2018 05:16:50 +0000 (05:16 +0000)]
Omit stray sentence terminator.
Taylor R Campbell [Thu, 25 Oct 2018 05:09:48 +0000 (05:09 +0000)]
The bounds of Lemma 4 are <=, not <, as is this branch's condition.
Taylor R Campbell [Thu, 25 Oct 2018 05:05:59 +0000 (05:05 +0000)]
Inadvertently substituted d0 for d2. Fix.
No change in conclusion -- there was no convenient cancellation or
anything as a consequence of this.
Taylor R Campbell [Thu, 25 Oct 2018 05:02:39 +0000 (05:02 +0000)]
I accidentally a predicate.
Taylor R Campbell [Thu, 25 Oct 2018 04:57:30 +0000 (04:57 +0000)]
Fix stray line, clarify, and simplify.
Chris Hanson [Thu, 25 Oct 2018 04:26:11 +0000 (21:26 -0700)]
Allow overlap of imports provided that the imported values are eqv?.
Chris Hanson [Thu, 25 Oct 2018 02:14:01 +0000 (19:14 -0700)]
Implement scheme-report-environment and null-environment.
Chris Hanson [Thu, 25 Oct 2018 01:53:11 +0000 (18:53 -0700)]
Add SRFI libraries.
Taylor R Campbell [Thu, 25 Oct 2018 02:46:45 +0000 (02:46 +0000)]
Merge branch 'riastradh-logisticerrbounds'
Taylor R Campbell [Thu, 25 Oct 2018 02:45:40 +0000 (02:45 +0000)]
Compiling stuff depends on the cdecls' *-const.bin files.
Taylor R Campbell [Thu, 25 Oct 2018 01:47:22 +0000 (01:47 +0000)]
Test some more edge cases.
Taylor R Campbell [Thu, 25 Oct 2018 01:44:12 +0000 (01:44 +0000)]
Test some edge cases for logit(near 1/2).
Taylor R Campbell [Thu, 25 Oct 2018 01:43:40 +0000 (01:43 +0000)]
Use (assert-<= (relerr ...) bound) for better error messages.
Taylor R Campbell [Thu, 25 Oct 2018 01:42:22 +0000 (01:42 +0000)]
Fix sense of test. Do this part only if 1 - p is guaranteed exact.