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						2a301e71a9
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							update readme (default degrees, update outdated stuff), bump version
						
						
						
						
						
						
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						2021-01-30 22:38:41 -05:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						380b90d434
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							resize/remove unused variables in lcd.c
						
						
						
						
						
						
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						2021-01-30 22:38:13 -05:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						774be02e1f
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							use ->deg as default shifted function now that trig functions operate in degrees
						
						
						
						
						
						
						
						(->rad is down-shifted function now) 
						
						
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						2021-01-30 19:00:37 -05:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						5bcfb8a371
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							do all trig calculations in degrees
						
						
						
						
						
						
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						2021-01-30 18:45:44 -05:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						c6ac1e5e2c
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							add random tests for inverse trigonometric functions
						
						
						
						
						
						
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						2021-01-27 21:11:32 -05:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						f15790f252
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							add random sin/cos/tan trig tests (accuracy is fairly bad)
						
						
						
						
						
						
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						2020-12-10 22:54:45 -05:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						81253d8934
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							separate out tests into separate files
						
						
						
						
						
						
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						2020-10-26 22:16:26 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						540d9e282c
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							add random y^x tests
						
						
						
						
						
						
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						2020-10-19 21:36:18 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						714cd69b9c
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							add random exp() tests
						
						
						
						
						
						
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						2020-10-13 22:11:03 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						46851eab9f
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							use ctest to run unit tests in parallel (requires newer catch2)
						
						
						
						
						
						
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						2020-10-13 22:11:03 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						08f1d199c1
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							add random logarithm tests, extra tests near log(1.0)
						
						
						
						
						
						
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						2020-10-13 22:11:00 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						89f442cae8
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							add random division/reciprocal tests
						
						
						
						
						
						
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						2020-10-13 00:52:00 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						18692d9baf
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							add random sqrt tests
						
						
						
						
						
						
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						2020-10-13 00:51:57 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						a5e64e89d4
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							free up some flash space
						
						
						
						
						
						
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						2020-09-13 22:50:19 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						273e2f5742
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							add fast reciprocal sqrt() implementation
						
						
						
						
						
						
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						2020-09-13 22:49:38 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						64754395be
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							add shift down sign, change GUI keys, bump version
						
						
						
						
						
						
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						2020-09-13 01:55:00 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						d8d7f98663
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							clear IsShiftedUp/Down at end of switch case, allow turning off with either shift
						
						
						
						
						
						
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						2020-09-13 01:19:22 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						2b915a3e59
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							decreased accuracy so that the real hardware is useful at 33 MHz
						
						
						
						
						
						
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						2020-09-10 19:59:57 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						5f0bd3886a
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							cleanup
						
						
						
						
						
						
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						2020-09-10 19:23:58 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						2903579efd
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							added arcsin and arccos
						
						
						
						
						
						
						
						added a stack for temporaries, otherwise it became to tedious to keep
track which function uses which temporary for later 
						
						
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						2020-09-10 18:49:47 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						370df33a6c
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							implemented roll up
						
						
						
						
						
						
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						2020-09-10 16:42:32 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						9deae8128d
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							freed unused internal ram
						
						
						
						
						
						
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						2020-09-10 16:40:40 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						0b5e011017
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							made new functions accessible to the calculator
						
						
						
						
						
						
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						2020-09-10 16:37:23 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						e4ad37623b
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							implemented arctan
						
						
						
						
						
						
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						2020-09-10 15:38:26 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						3e5648de87
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							implemented sin, cos, theta for all real numbers
						
						
						
						
						
						
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						2020-09-10 14:30:53 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						2caedc9a45
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							re-structured tests
						
						
						
						
						
						
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						2020-09-10 11:40:26 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						f95aa9ab82
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							fixed tests
						
						
						
						
						
						
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						2020-09-09 23:52:30 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						13d26e7b75
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							simple trigonometric functions as in Sinclair scientific
						
						
						
						
						
						
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						2020-09-09 23:37:46 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						a491ab0461
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							print the maximal stack pointer value when pressing shift
						
						
						
						
						
						
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						2020-09-09 09:40:26 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						2a9801e676
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							superfluous
						
						
						
						
						
						
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						2020-09-09 08:47:51 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						4316f928f8
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							added facility to debug the stack pointer on P3_4 (LCD LED cathode)
						
						
						
						
						
						
						
						roughly 139 bytes
functions were chosen by manually traversing pow_decn to the bottom 
						
						
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						2020-09-08 23:46:41 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						7593260487
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							freed some space for the stack
						
						
						
						
						
						
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						2020-09-08 16:57:25 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						3f7dfe460b
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							declaration exists already in decn.h
						
						
						
						
						
						
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						2020-09-08 16:56:50 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						0add7eb813
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							bump version
						
						
						
						
						
						
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						2020-09-07 23:05:31 -04:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						51c2d2e2e7
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							handle truncation in entering numbers properly
						
						
						
						
						
						
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						2020-09-05 10:55:33 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						6ab4cfb714
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							extra checks for multiply
						
						
						
						
						
						
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						2020-09-05 10:35:45 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						6487fbde6e
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							move constants out of the header
						
						
						
						
						
						
						
						(as far as my C knowledge goes, this may cause problems with the linker) 
						
						
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						2020-09-05 10:25:35 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						1075e6d103
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							truly take advantage of __code pointer
						
						
						
						
						
						
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						2020-09-05 09:59:08 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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						c18c0dabfd
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							handle special cases for power function
						
						
						
						
						
						
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						2020-09-05 01:08:09 +02:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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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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						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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						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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						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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						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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						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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						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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						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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						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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						b04a95e420
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							increase test coverage
						
						
						
						
						
						
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						2019-11-20 01:54:04 -05:00 | 
					
					
						
						
						
							
							
							
							
							
							
							
							
						
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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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