sensor-watch/movement/lib/morsecalc/calc.h
Christian Chapman 027e3bb42e
Morse-code based RPN calculator (#164)
* Added Morse code based RPN calculator

* added manual and memory register

* fixed morsecalc negative indicator, edited header comment

* adjusted stack display controls

* Fixed warnings. Added calculator token aliasing ability. Added binary shorthand for numeral entry. Extended morse code binary tree.

* ui tweaks

* Update movement_config.h

* silence warning

Co-authored-by: Christian Chapman <user@debian>
Co-authored-by: joeycastillo <joeycastillo@utexas.edu>
2023-01-20 19:15:28 -06:00

45 lines
1.6 KiB
C

/*
* MIT License
*
* Copyright (c) 2023 Christian Chapman
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef CALC_H_INCLUDED
#define CALC_H_INCLUDED
#include <stdint.h>
#define N_STACK 10
typedef struct {
double stack[N_STACK];
double mem;
uint8_t s; // # of items in stack
} calc_state_t;
int calc_init(calc_state_t *cs);
int calc_input(calc_state_t *cs, char *token);
int calc_input_function(calc_state_t *cs, char *token);
int calc_input_float(calc_state_t *cs, char *token);
double calc_strtof(const char *str, char **endptr);
#endif