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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libm/] [math/] [s_nan.c] - Diff between revs 40 and 1765

Rev 40	Rev 1765
`/*`	`/*`
`* nan () returns a nan.`	`* nan () returns a nan.`
`* Added by Cygnus Support.`	`* Added by Cygnus Support.`
`*/`	`*/`

`/*`	`/*`
`FUNCTION`	`FUNCTION`
`<<nan>>, <<nanf>>---representation of infinity`	`<<nan>>, <<nanf>>---representation of infinity`

`INDEX`	`INDEX`
`nan`	`nan`
`INDEX`	`INDEX`
`nanf`	`nanf`

`ANSI_SYNOPSIS`	`ANSI_SYNOPSIS`
`#include <math.h>`	`#include <math.h>`
`double nan(void);`	`double nan(void);`
`float nanf(void);`	`float nanf(void);`

`TRAD_SYNOPSIS`	`TRAD_SYNOPSIS`
`#include <math.h>`	`#include <math.h>`
`double nan();`	`double nan();`
`float nanf();`	`float nanf();`


`DESCRIPTION`	`DESCRIPTION`
`<<nan>> and <<nanf>> return an IEEE NaN (Not a Number) in`	`<<nan>> and <<nanf>> return an IEEE NaN (Not a Number) in`
`double and single precision arithmetic respectivly.`	`double and single precision arithmetic respectivly.`

`QUICKREF`	`QUICKREF`
`nan - pure`	`nan - pure`

`*/`	`*/`

`#include "fdlibm.h"`	`#include "fdlibm.h"`

`#ifndef _DOUBLE_IS_32BITS`	`#ifndef _DOUBLE_IS_32BITS`

`double nan()`	`double nan()`
`{`	`{`
`double x;`	`double x;`

`INSERT_WORDS(x,0x7ff80000,0);`	`INSERT_WORDS(x,0x7ff80000,0);`
`return x;`	`return x;`
`}`	`}`

`#endif /* _DOUBLE_IS_32BITS */`	`#endif /* _DOUBLE_IS_32BITS */`