tnan.c - plan9port - [fork] Plan 9 from user space
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       tnan.c (246B)
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            1 #include <u.h>
            2 #include <libc.h>
            3 #include "fmt/nan.h"
            4 
            5 double
            6 NaN(void)
            7 {
            8         return __NaN();
            9 }
           10 
           11 double
           12 Inf(int sign)
           13 {
           14         return __Inf(sign);
           15 }
           16 
           17 int
           18 isNaN(double x)
           19 {
           20         return __isNaN(x);
           21 }
           22 
           23 int
           24 isInf(double x, int sign)
           25 {
           26         return __isInf(x, sign);
           27 }