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| author | rsc <devnull@localhost> | 2004-04-14 19:54:10 +0000 |
|---|---|---|
| committer | rsc <devnull@localhost> | 2004-04-14 19:54:10 +0000 |
| commit | 4314729ddef28cb619ce97d50f0968ca24c93803 (patch) | |
| tree | 3abd7849a10e842a57b1fd535f8278d22a6bf132 /src/cmd/plot/libplot/range.c | |
| parent | 6e18e03e63942f7b0912bb91d0da02fd493af0af (diff) | |
| download | plan9port-4314729ddef28cb619ce97d50f0968ca24c93803.tar.gz plan9port-4314729ddef28cb619ce97d50f0968ca24c93803.tar.bz2 plan9port-4314729ddef28cb619ce97d50f0968ca24c93803.zip | |
Add graph, plot
Diffstat (limited to 'src/cmd/plot/libplot/range.c')
| -rw-r--r-- | src/cmd/plot/libplot/range.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/cmd/plot/libplot/range.c b/src/cmd/plot/libplot/range.c new file mode 100644 index 00000000..c4485560 --- /dev/null +++ b/src/cmd/plot/libplot/range.c @@ -0,0 +1,11 @@ +#include "mplot.h" +void range(double x0, double y0, double x1, double y1){ + e1->xmin = x0; + e1->ymin = y0; + e1->scalex = e1->sidex / (x1 - x0 ); + e1->scaley = e1->sidey / (y1 - y0 ); + e1->quantum=e0->quantum/sqrt(e1->scalex*e1->scalex + + e1->scaley*e1->scaley); + if(e1->quantum < .01) + e1->quantum = .01; +} |