1 #include "v3p_f2c.h"
2 
3 #ifdef KR_headers
4 double floor();
r_nint(x)5 double r_nint(x) real *x;
6 #else
7 #undef abs
8 #include "math.h"
9 #ifdef __cplusplus
10 extern "C" {
11 #endif
12 double r_nint(real *x)
13 #endif
14 {
15 return( (*x)>=0 ?
16         floor(*x + .5) : -floor(.5 - *x) );
17 }
18 #ifdef __cplusplus
19 }
20 #endif
21