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#include <string.h>
/* location of graph origin in terms of % of screen */
#define ORIGIN_X 0.10
#define ORIGIN_Y 0.20
/* y-coordinate of end of y-axis */
#define YAXIS_END 0.86
/* x-coordinate of end of x-axis */
#define XAXIS_END 0.90
/* minimum distance between numbered tic-marks on x-axis */
#define XTIC_DIST 20
/* minimum distance between numbered tic-marks on y-axis */
#define YTIC_DIST 20
/* sizes of tic-marks */
#define BIG_TIC 0.025
#define SMALL_TIC 0.015
/* y-coordinate of the x axis label */
#define LABEL_1 0.07
/* x-coordinate of the y axis label */
#define LABEL_2 0.02
/* y-coordinate of x-axis tic-mark numbers */
#define XNUMS_Y 0.14
/* x-coordinate of y-axis tic-mark numbers */
#define YNUMS_X 0.05
/* text width and height */
#define TEXT_HEIGHT 0.04
#define TEXT_WIDTH TEXT_HEIGHT * 0.5
/* structures for determining tic-mark numbering scheme */
struct units {
char *name; /* name of unit (text) */
int unit; /* tic-mark interval */
int every; /* tic_mark number interval */
};
struct units tics[] = {{"", 1, 2},
{"", 1, 5},
{"in tens", 10, 10},
{"in tens", 10, 20},
{"in tens", 10, 50},
{"in hundreds", 100, 100},
{"in hundreds", 100, 500},
{"in thousands", 1000, 1000},
{"in thousands", 1000, 5000},
{"in thousands", 1000, 10000},
{"in thousands", 1000, 50000},
{"in tens of thousands", 10000, 10000},
{"in tens of thousands", 10000, 20000},
{"in tens of thousands", 10000, 50000},
{"in hundreds of thousands", 100000, 100000},
{"in hundreds of thousands", 100000, 200000},
{"in hundreds of thousands", 100000, 500000},
{"in millions", 1000000, 1000000},
{"in millions", 1000000, 2000000},
{"in millions", 1000000, 5000000},
{"in tens of millions", 10000000, 10000000},
{"in tens of millions", 10000000, 20000000},
{"in tens of millions", 10000000, 50000000},
{"in hundreds of millions", 100000000, 100000000},
{"in hundreds of millions", 100000000, 200000000},
{"in hundreds of millions", 100000000, 500000000},
{"in billions", 1000000000, 1000000000}};
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