emacs/test/src/floatfns-tests.el, branch scratch/substitute-command-keys Emacs is the extensible, customizable, self-documenting real-time display editor. Use lexical-binding in most src tests 2020-04-24T16:25:13+00:00 Stefan Kangas 2020-04-24T13:28:22+00:00 c52f8863a536c003980c8fcc24dfb48dfb2353a8 * test/src/charset-tests.el: * test/src/chartab-tests.el: * test/src/cmds-tests.el: * test/src/coding-tests.el (top-level) (generate-ascii-file, generate-mostly-nonascii-file): * test/src/doc-tests.el: * test/src/floatfns-tests.el: * test/src/font-tests.el: * test/src/keymap-tests.el: * test/src/process-tests.el (top-level) (process-test-sentinel-wait-function-working-p) (process-test-stderr-buffer, process-test-stderr-filter): * test/src/textprop-tests.el: * test/src/thread-tests.el: * test/src/timefns-tests.el: * test/src/undo-tests.el: * test/src/xml-tests.el: Use lexical-binding. 
* test/src/charset-tests.el:
* test/src/chartab-tests.el:
* test/src/cmds-tests.el:
* test/src/coding-tests.el (top-level)
(generate-ascii-file, generate-mostly-nonascii-file):
* test/src/doc-tests.el:
* test/src/floatfns-tests.el:
* test/src/font-tests.el:
* test/src/keymap-tests.el:
* test/src/process-tests.el (top-level)
(process-test-sentinel-wait-function-working-p)
(process-test-stderr-buffer, process-test-stderr-filter):
* test/src/textprop-tests.el:
* test/src/thread-tests.el:
* test/src/timefns-tests.el:
* test/src/undo-tests.el:
* test/src/xml-tests.el: Use lexical-binding.
Update copyright year to 2020 2020-01-01T00:59:52+00:00 Paul Eggert 2020-01-01T00:19:43+00:00 365e01cc9f64ce6ca947ccfd8612d60763280a37 Run "TZ=UTC0 admin/update-copyright $(git ls-files)". 
Run "TZ=UTC0 admin/update-copyright $(git ls-files)".
Handle weird cases like (ceil 0 0.0) 2019-11-15T02:52:48+00:00 Paul Eggert 2019-11-15T02:51:17+00:00 8b848def9bc3c4ad786670d0447a6fb396f2ff30 * src/floatfns.c (double_integer_scale): Distinguish Inf from NaN. (rounding_driver): Handle (ceil 0 0.0) and (ceil 0 1.0e+INF). * test/src/floatfns-tests.el (special-round): Add tests for weird cases like this. Avoid crash with (floor 0 0.0) * src/floatfns.c (rounding_driver): Signal an arithmetic error if divisor is 0.0 or -0.0, instead of crashing. 
* src/floatfns.c (double_integer_scale): Distinguish Inf from NaN.
(rounding_driver): Handle (ceil 0 0.0) and (ceil 0 1.0e+INF).
* test/src/floatfns-tests.el (special-round): Add tests for
weird cases like this.

Avoid crash with (floor 0 0.0)
* src/floatfns.c (rounding_driver): Signal an arithmetic
error if divisor is 0.0 or -0.0, instead of crashing.
Fix double-rounding bug in ceiling etc. 2019-11-13T21:10:09+00:00 Paul Eggert 2019-11-13T21:07:01+00:00 bede5984246ba734c93fc28148b5f8e1b14d30c5 This is doable now that we have bignums. * src/floatfns.c (integer_value): Remove; no longer used. (rescale_for_division): New function. (rounding_driver): Use it to divide properly (by using bignums) even when arguments are float, fixing a double-rounding FIXME. * src/lisp.h (LOG2_FLT_RADIX): Move here ... * src/timefns.c (frac_to_double): ... from here. * test/src/floatfns-tests.el (big-round): Add a test to catch the double-rounding bug. 
This is doable now that we have bignums.
* src/floatfns.c (integer_value): Remove; no longer used.
(rescale_for_division): New function.
(rounding_driver): Use it to divide properly (by using bignums)
even when arguments are float, fixing a double-rounding FIXME.
* src/lisp.h (LOG2_FLT_RADIX): Move here ...
* src/timefns.c (frac_to_double): ... from here.
* test/src/floatfns-tests.el (big-round):
Add a test to catch the double-rounding bug.
Don’t signal overflow for (expt 1 bignum) 2019-11-05T07:39:54+00:00 Paul Eggert 2019-11-05T07:10:12+00:00 5ab29400a4e9b29928aaf63d1f89a0b059491b29 Similarly for (expt 0 bignum) and (expt -1 bignum). The result is always a -1, 0 or 1, so do not signal overflow. * src/data.c (expt_integer): Do not signal an overflow if -1 <= X <= 1. Be clearer about when overflow is signaled. * test/src/floatfns-tests.el (bignum-expt): Test this. 
Similarly for (expt 0 bignum) and (expt -1 bignum).
The result is always a -1, 0 or 1, so do not signal overflow.
* src/data.c (expt_integer): Do not signal an overflow if
-1 <= X <= 1.  Be clearer about when overflow is signaled.
* test/src/floatfns-tests.el (bignum-expt): Test this.
Merge from origin/emacs-26 2019-01-01T01:57:29+00:00 Paul Eggert 2019-01-01T01:57:29+00:00 ba809612c06bcabd05dcbaae79da39dcb0925992 2fcf2df Fix copyright years by hand 26bed8b Update copyright year to 2019 2814292 Fix value of default frame height. (Bug#33921) 
2fcf2df Fix copyright years by hand
26bed8b Update copyright year to 2019
2814292 Fix value of default frame height.  (Bug#33921)
Update copyright year to 2019 2019-01-01T01:01:13+00:00 Paul Eggert 2019-01-01T00:59:58+00:00 26bed8ba10eeaf0a340a8d0d760c5578dddec867 Run 'TZ=UTC0 admin/update-copyright $(git ls-files)'. 
Run 'TZ=UTC0 admin/update-copyright $(git ls-files)'.
Round bignums consistently with other integers 2018-09-22T16:01:26+00:00 Paul Eggert 2018-09-22T15:59:06+00:00 0b36041d2a528419982a19940573783ff318c0d4 * src/bignum.c (mpz_bufsize): New function. (bignum_bufsize): Use it. (mpz_get_d_rounded): New function. (bignum_to_double): Use it. * src/bignum.c (bignum_to_double): * src/data.c (bignum_arith_driver): When converting bignums to double, round instead of truncating, to be consistent with what happens with fixnums. * test/src/floatfns-tests.el (bignum-to-float): Test rounding. 
* src/bignum.c (mpz_bufsize): New function.
(bignum_bufsize): Use it.
(mpz_get_d_rounded): New function.
(bignum_to_double): Use it.
* src/bignum.c (bignum_to_double):
* src/data.c (bignum_arith_driver):
When converting bignums to double, round instead of
truncating, to be consistent with what happens with fixnums.
* test/src/floatfns-tests.el (bignum-to-float): Test rounding.
Fix (floor 54043195528445955 3.0) bug 2018-09-13T21:29:58+00:00 Paul Eggert 2018-09-13T21:28:56+00:00 c44bc4d370b38ac3e9da15579fd372d1410d4b4c * src/floatfns.c (rounding_driver): Fix rounding error that can occur when both args have values exactly representable as integers but at least one arg is a float. * test/src/floatfns-tests.el (big-round): New test. 
* src/floatfns.c (rounding_driver): Fix rounding error
that can occur when both args have values exactly
representable as integers but at least one arg is a float.
* test/src/floatfns-tests.el (big-round): New test.
Fix (round 1e+INF) core dump 2018-09-11T18:34:44+00:00 Paul Eggert 2018-09-11T18:30:48+00:00 038a09041af20ed373b15715fbc859d4a305dda8 * src/bignum.c (double_to_integer): Signal an error if D cannot be converted, instead of dumping core. * test/src/floatfns-tests.el (special-round): New test. 
* src/bignum.c (double_to_integer): Signal an error
if D cannot be converted, instead of dumping core.
* test/src/floatfns-tests.el (special-round): New test.