Mirko Scholz
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5ea2818fe3
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move pow_decn from header to source file
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2020-09-05 00:18:47 +02:00 |
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Mirko Scholz
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1fb0a1fd50
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row/col should be always less than 16
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2020-09-04 23:02:46 +02:00 |
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Mirko Scholz
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a8cf1a881b
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put two flags into bit addressable ram
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2020-09-04 22:55:16 +02:00 |
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Mirko Scholz
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fb76fac249
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move VER_STR into flash
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2020-09-04 22:23:35 +02:00 |
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Mirko Scholz
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9464360014
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compiles under gcc 10
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2020-09-04 21:16:46 +02:00 |
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Mirko Scholz
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ae9beb120a
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handle common install paths for catch.hpp
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2020-09-04 21:13:26 +02:00 |
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Mirko Scholz
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d3314a9de9
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gcc 10 refuses to link otherwise
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2020-09-04 20:48:09 +02:00 |
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Mirko Scholz
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eea645f401
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compiles again under sdcc-3.5.0
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2020-09-04 20:45:29 +02:00 |
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Jeff Wang
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fc0fe7c327
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initial reciprocal square root prototyping
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2019-12-11 02:27:27 -05:00 |
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Jeff Wang
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b04a95e420
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increase test coverage
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2019-11-20 01:54:04 -05:00 |
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Jeff Wang
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218cb67ea7
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more automated unit tests
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2019-11-19 00:00:18 -05:00 |
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Jeff Wang
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e907f4571d
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start converting testbench to Catch unit tests
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2019-11-18 04:30:20 -05:00 |
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Jeff Wang
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d532f2cf44
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put license notice in all files, use GPLv3+
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2019-11-14 03:45:52 -05:00 |
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Jeff Wang
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9402bd512f
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keyboard support for Qt GUI
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2019-11-14 03:32:07 -05:00 |
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Jeff Wang
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f70510e46a
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use cmake everywhere for desktop build, fix build warnings
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2019-11-14 02:44:07 -05:00 |
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Jeff Wang
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f25a71b74c
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v1.09: bugfix for taking log/ln of a number with an exponent of 99
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2019-11-14 02:15:34 -05:00 |
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Jeff Wang
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47459f5253
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v1.08 bugfix: make clearX actually clear X instead of just clearing number entry
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2019-10-22 20:17:30 -04:00 |
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Jeff Wang
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ada1102258
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fix for LASTx/RCL behavior after operation
- previously "2 enter 3 * LASTx" would overwrite X instead of lifting
stack
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2019-10-22 02:23:30 -04:00 |
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Jeff Wang
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56e3034f9d
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bugfix for exponents > 127 getting printed as negative
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2019-10-22 02:13:29 -04:00 |
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Jeff Wang
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c3aa80289f
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fix square root of 0 bug
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2019-10-22 01:07:28 -04:00 |
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Jeff Wang
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581a8e26f1
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disallow subtraction/negation of error
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2019-10-21 02:36:57 -04:00 |
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Jeff Wang
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c05a402b72
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add STO, RCL, lastX, and rotate; do not require holding shift while
pressing 0 to turn off
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2019-10-21 02:36:57 -04:00 |
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Jeff Wang
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b18969fef0
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update gui
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2019-10-07 03:19:26 -04:00 |
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Jeff Wang
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8f0598d75c
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move tmp4 to xdata to free up more stack space
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2019-10-07 00:08:25 -04:00 |
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Jeff Wang
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a3b00dd815
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fix division: make recip operate on accum
also avoids extra copy when only taking recip
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2019-10-07 00:08:08 -04:00 |
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Jeff Wang
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8e9f37c7d2
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add sqrt() and 1/x functions
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2019-10-06 21:38:42 -04:00 |
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Jeff Wang
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45e4dd25f8
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fix e^x calculation for negative x
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2019-10-06 21:38:32 -04:00 |
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Jeff Wang
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5345843974
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update refout
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2019-10-06 21:06:48 -04:00 |
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Jeff Wang
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5f0cec0bad
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bugfix for log()/pow: minimize stack usage
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2019-10-06 21:04:45 -04:00 |
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Jeff Wang
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75dd499630
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add power function, try to reduce stack usage, standardize unary ops
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2019-10-06 21:04:45 -04:00 |
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Jeff Wang
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bf0bfe39a4
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calculate relative diff instead of absolute diff
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2019-10-06 21:04:45 -04:00 |
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Jeff Wang
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1a9bbcc1ce
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initial exp() implementation
(refout for log(1.5) changed due to using more accurate expected result)
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2019-10-06 21:04:40 -04:00 |
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Jeff Wang
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277ae0acf3
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speedup log calculation by optimizing mulitplication by 1 + 10^-j
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2019-10-05 01:04:57 -04:00 |
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Jeff Wang
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06ca0b2829
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speedup log calculation by optimizing subtracting 10, regenerate reference output
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2019-10-05 01:04:38 -04:00 |
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Jeff Wang
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ce42e30513
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log10() fixes to prevent calculator from crashing
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2019-10-04 23:49:42 -04:00 |
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Jeff Wang
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c2edc7871d
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fix top line display after clearing after arith operation (anything which disables stack lift)
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2019-10-03 01:11:42 -04:00 |
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Jeff Wang
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c42cdedc1b
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fix enter for DUP showing X as 0, unify processing of commands
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2019-10-03 00:58:54 -04:00 |
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Jeff Wang
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75de345f7c
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merge fix
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2019-10-03 00:33:45 -04:00 |
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Jeff Wang
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181469dd57
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set error when trying to calculate log(0)
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2019-10-03 00:32:38 -04:00 |
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Jeff Wang
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c3ec112f97
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bugfix for shift-clear
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2019-10-03 00:32:35 -04:00 |
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Jeff Wang
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21be4081b2
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add log10() function
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2019-10-03 00:31:25 -04:00 |
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Jeff Wang
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0f17fbdcc7
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fix digit entry before taking log
separate out finishing entry/processing command into common function
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2019-10-03 00:31:20 -04:00 |
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Jeff Wang
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5c194c68e4
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build fix
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2019-10-02 23:27:58 -04:00 |
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Jeff Wang
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77d18b57c5
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make sure number not negative before trying to take log
also remove some TODOs
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2019-10-02 22:51:02 -04:00 |
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Jeff Wang
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cb92a82f4b
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add shift key and ability to calculate ln()
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2019-10-02 22:47:53 -04:00 |
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Jeff Wang
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9fc462ca94
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bugfix for backspacing from exp entry all the back to significand entry
check for '.' needs to be after entry_i--
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2019-10-02 22:47:32 -04:00 |
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Jeff Wang
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5a3dc2337d
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more checks for NaN/errors before performing operations
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2019-10-02 22:46:26 -04:00 |
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Jeff Wang
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23e49a0405
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NUM_A_ARRAY cannot be less than num_lsu
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2019-10-02 22:45:02 -04:00 |
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Jeff Wang
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ac1aaac096
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initial natural log implementation
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2019-10-02 22:43:23 -04:00 |
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Jeff Wang
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acc9c4821f
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prototyping of reciprocal and log functions
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2019-10-02 02:52:08 -04:00 |
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