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/* -*- mode: C++; indent-tabs-mode: nil; fill-column: 100; c-basic-offset: 4; -*-
*
* Copyright (C) 1996 - 1997 Tim Witham <twitham@pcocd2.intel.com>
*
* (see the files README and COPYING for more details)
*
* xoscope math function definitions and prototypes
*
*/
#define FUNCLEFT 0
#define FUNCRIGHT 1
#define FUNCPS 2
#define FUNCMEM 3
#define FUNCEXT 4
#define FUNC0 5
#define EXTSTOP 0
#define EXTSTART 1
#define EXTRUN 2
#if 0
#define FFT_TEST
#endif
struct signal_stats {
short min; /* Minimum signal value */
short max; /* Maximum signal value */
int time;
int freq;
#ifdef CALC_RMS
double rms ;
#endif
};
void set_save_pending(char c);
void do_save_pending(void);
void save(int i, int src);
void recall_on_channel(Signal *, Channel *);
void recall(Signal *);
void next_func(void);
void prev_func(void);
int function_bynum_on_channel(int, Channel *);
void start_command_on_channel(const char *, Channel *);
void startcommand(const char *);
void start_perl_function(const char *);
void restart_external_commands(void);
void init_math(void);
int update_math_signals(void);
void do_math(void);
void cleanup_math(void);
void measure_data(Channel *, struct signal_stats *);
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