thodg/patchwork13/pw13/time.h

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• Hash : 94046104
  Author : Thomas de Grivel
  Date : 2020-02-24T15:19:27
  

  import from branch patchwork13-0.1 on SourceForge.net

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• pw13/time.h

• /*
  
    This is part of Patchwork13! the real-time data synthesis toolkit.
    http://patchwork13.sourceforge.net/
  
    pw13 - the patchwork13 core library
    Copyright (C) 2005 Thomas de Grivel <billitch@yahoo.fr>
  
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
    of the License, or (at your option) any later version.
  
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
  
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  
  *
  
    time.h  -  give us some time
  
  */
  #ifndef PW13_TIME_H_INCLUDED
  #define PW13_TIME_H_INCLUDED
  
  #include "types.h"
  #include "dll.h"
  
  
  struct Pw13_Time
  {
    long seconds;
    double frac;
    unsigned long ticks;
  };
  
  
  PW13_EXTERN
  void pw13_time_of_float (Pw13_Time *t, double d);
  PW13_EXTERN
  double pw13_float_of_time (Pw13_Time *t);
  
  
  /* operations */
  PW13_EXTERN
  void pw13_time_zero (Pw13_Time *time);
  PW13_EXTERN
  void pw13_time_add (Pw13_Time *result, Pw13_Time *a, Pw13_Time *b);
  PW13_EXTERN
  void pw13_time_sub (Pw13_Time *result, Pw13_Time *a, Pw13_Time *b);
  PW13_EXTERN
  void pw13_time_increase (Pw13_Time *result, Pw13_Time *delta);
  PW13_EXTERN
  void pw13_time_decrease (Pw13_Time *result, Pw13_Time *delta);
  
  /* observers */
  PW13_EXTERN
  int pw13_time_compare (Pw13_Time *a, Pw13_Time *b);
  
  
  /* time as patch data */
  PW13_EXTERN
  Pw13_Data * pw13_time_data (Pw13_Time *t);
  #define pw13_data_time(d) ((Pw13_Time*) ((d)+1))
  
  /* time input */
  #define pw13_time_input(name, input, patch, defval)		\
    pw13_input_init (name, input, patch, pw13_data_type ("time"),	\
                     defval)
  
  #define pw13_time_input_val(input) (pw13_data_time (pw13_input_val (input)))
  
  /* time output */
  #define pw13_time_output(name, output, patch)				\
    pw13_output_init (name, output, patch, pw13_data_type ("time"),	\
                      pw13_time_data (0))
  
  #define pw13_time_output_val(output) (pw13_data_time ((output).data))
  
  
  /** Portable sleep function, in milliseconds */
  PW13_EXTERN
  void pw13_msleep (unsigned long milliseconds);
  
  
  
  #endif
  /* ndef PW13_TIME_H_INCLUDED */
  

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