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- #include "lib9.h"
- #include "mathi.h"
- double
- fdim(double x, double y)
- {
- if(x>y)
- return x-y;
- else
- return 0;
- }
- double
- fmax(double x, double y)
- {
- if(x>y)
- return x;
- else
- return y;
- }
- double
- fmin(double x, double y)
- {
- if(x<y)
- return x;
- else
- return y;
- }
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