[170] | 1 | /****************************************************************************/ |
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| 2 | /* TREECODE.H: define various things for treecode.c and treeio.c. */ |
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| 3 | /* Copyright (c) 2001 by Joshua E. Barnes, Honolulu, Hawai`i. */ |
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| 4 | /****************************************************************************/ |
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| 5 | |
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| 6 | #ifndef _treecode_h |
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| 7 | #define _treecode_h |
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| 8 | |
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| 9 | #include "treedefs.h" |
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| 10 | |
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| 11 | /* |
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| 12 | * Parameters, state variables, and diagnostics for N-body integration. |
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| 13 | */ |
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| 14 | |
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| 15 | global string infile; /* file name for snapshot input */ |
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| 16 | |
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| 17 | global string outfile; /* file name for snapshot output */ |
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| 18 | |
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| 19 | global string savefile; /* file name for state output */ |
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| 20 | |
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| 21 | #if defined(USEFREQ) |
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| 22 | |
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| 23 | global real freq; /* basic integration frequency */ |
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| 24 | |
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| 25 | global real freqout; /* data output frequency */ |
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| 26 | |
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| 27 | #else |
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| 28 | |
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| 29 | global real dtime; /* basic integration timestep */ |
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| 30 | |
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| 31 | global real dtout; /* data output timestep */ |
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| 32 | |
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| 33 | #endif |
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| 34 | |
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| 35 | global real tstop; /* time to stop calculation */ |
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| 36 | |
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| 37 | global string headline; /* message describing calculation */ |
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| 38 | |
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| 39 | global real tnow; /* current value of time */ |
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| 40 | |
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| 41 | global real tout; /* time of next output */ |
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| 42 | |
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| 43 | global int nstep; /* number of time-steps */ |
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| 44 | |
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| 45 | global int nbody; /* number of bodies in system */ |
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| 46 | |
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| 47 | global bodyptr bodytab; /* points to array of bodies */ |
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| 48 | |
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| 49 | /* |
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| 50 | * Prototypes for I/O routines. |
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| 51 | */ |
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| 52 | |
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| 53 | void inputdata(void); /* read initial data file */ |
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| 54 | void inputdata_2(void); |
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| 55 | void startoutput(void); /* open files for output */ |
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| 56 | void forcereport(void); /* report on force calculation */ |
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| 57 | void output(void); /* perform output operation */ |
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| 58 | void savestate(string); /* save system state */ |
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| 59 | void restorestate(string); /* restore system state */ |
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| 60 | |
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| 61 | #endif /* ! _treecode_h */ |
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