libf2c/libF77/d_tan.c

   1 #include "f2c.h"
   2
   3 #ifdef KR_headers
   4 double tan();
   5 double d_tan(x) doublereal *x;
   6 #else
   7 #undef abs
   8 #include <math.h>
   9 double d_tan(doublereal *x)
  10 #endif
  11 {
  12 return( tan(*x) );
  13 }