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

14 lines
166 B
C

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