freebsd-src/contrib/libf2c/libF77/d_atan.c
1999-09-18 10:51:31 +00:00

14 lines
178 B
C

#include "f2c.h"
#ifdef KR_headers
double atan();
double d_atan(x) doublereal *x;
#else
#undef abs
#include <math.h>
double d_atan(doublereal *x)
#endif
{
return( atan(*x) );
}