Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * nan () returns a nan. |
||
| 3 | * Added by Cygnus Support. |
||
| 4 | */ |
||
| 5 | |||
| 6 | /* |
||
| 7 | FUNCTION |
||
| 8 | < |
||
| 9 | |||
| 10 | INDEX |
||
| 11 | nan |
||
| 12 | INDEX |
||
| 13 | nanf |
||
| 14 | |||
| 15 | ANSI_SYNOPSIS |
||
| 16 | #include |
||
| 17 | double nan(const char *); |
||
| 18 | float nanf(const char *); |
||
| 19 | |||
| 20 | TRAD_SYNOPSIS |
||
| 21 | #include |
||
| 22 | double nan(); |
||
| 23 | float nanf(); |
||
| 24 | |||
| 25 | |||
| 26 | DESCRIPTION |
||
| 27 | < |
||
| 28 | double- and single-precision arithmetic respectively. The |
||
| 29 | argument is currently disregarded. |
||
| 30 | |||
| 31 | QUICKREF |
||
| 32 | nan - pure |
||
| 33 | |||
| 34 | */ |
||
| 35 | |||
| 36 | #include "fdlibm.h" |
||
| 37 | |||
| 38 | #ifndef _DOUBLE_IS_32BITS |
||
| 39 | |||
| 40 | double nan(const char *unused) |
||
| 41 | { |
||
| 42 | double x; |
||
| 43 | |||
| 44 | INSERT_WORDS(x,0x7ff80000,0); |
||
| 45 | return x; |
||
| 46 | } |
||
| 47 | |||
| 48 | #endif /* _DOUBLE_IS_32BITS */ |