libf2c/libF77/r_atn2.c

   1 #include "f2c.h"
   2
   3 #ifdef KR_headers
   4 double atan2();
   5 double r_atn2(x,y) real *x, *y;
   6 #else
   7 #undef abs
   8 #include <math.h>
   9 double r_atn2(real *x, real *y)
  10 #endif
  11 {
  12 return( atan2(*x,*y) );
  13 }