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author | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
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committer | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
commit | e5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch) | |
tree | d8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/cmd/plot/libplot/range.c |
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/cmd/plot/libplot/range.c')
-rwxr-xr-x | sys/src/cmd/plot/libplot/range.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/src/cmd/plot/libplot/range.c b/sys/src/cmd/plot/libplot/range.c new file mode 100755 index 000000000..c4485560a --- /dev/null +++ b/sys/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; +} |