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/* RCSid: $Id: tgraph.h,v 1.1 2003/02/22 02:07:26 greg Exp $ */ |
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#include <math.h> |
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#include "meta.h" |
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#define MINDIVS 4 /* Minimum number of divisions for axis */ |
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#define FTINY 1e-10 /* tiny float */ |
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#define FHUGE 1e10 /* large float */ |
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#define PI 3.14159265358979323846 |
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#define XBEG 2048 /* starting x coordinate */ |
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#define XSIZ 10240 /* x axis coordinate size */ |
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#define YBEG 2048 /* starting y coordinate */ |
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#define YSIZ 10240 /* y axis coordinate size */ |
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#define XCONV(x) ((int)((x-xmin)*XSIZ/xsize+XBEG)) |
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#define YCONV(y) ((int)((y-ymin)*YSIZ/ysize+YBEG)) |
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#define TSIZ 200 /* tick size */ |
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#define SYMRAD 100 /* default symbol radius */ |
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#define XTICS 1 /* flags for making axes */ |
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#define YTICS 2 |
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#define XNUMS 4 |
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#define YNUMS 8 |
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#define XGRID 16 |
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#define YGRID 32 |
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#define ORIGIN 64 |
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#define BOX 128 |
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#define RADIANS 1 /* flags for polar coordinates */ |
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#define DEGREES 2 |
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#define NCUR 16 /* number of supported curve types */ |
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extern short usecurve[]; /* booleans for curve usage */ |
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extern int symrad; /* current symbol radius */ |
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extern double xmin, xmax, /* extrema */ |
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ymin, ymax; |
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extern double xsize, ysize; /* coordinate dimensions */ |
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extern double xmnset, xmxset, /* domain settings */ |
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ymnset, ymxset; |
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extern short logx, logy; /* flags for logarithmic axes */ |
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extern short grid; /* flag for grid */ |
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extern short polar; /* flag for polar coordiates */ |
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extern int ncurves; /* number of curves in file */ |
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extern char *snagquo(), *instr(); |
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extern double atof(), floor(), ceil(), log(); |
