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.
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gcc
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f
/
runtime
/
libF77
/
r_tan.c
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#include
"f2c.h"
#ifdef
KR_headers
double
tan
();
double
r_tan
(
x
)
real
*
x
;
#else
#undef
abs
#include
<math.h>
double
r_tan
(
real
*
x
)
#endif
{
return
(
tan
(*
x
)
);
}