softfloat/s_propagateNaNF64UI.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25


/*** UPDATE COMMENTS. ***/

#include <stdbool.h>
#include <stdint.h>
#include "platform.h"
#include "internals.h"
#include "specialize.h"
#include "softfloat.h"

/*----------------------------------------------------------------------------
| Takes two double-precision floating-point values `a' and `b', one of which
| is a NaN, and returns the appropriate NaN result.  If either `a' or `b' is a
| signaling NaN, the invalid exception is raised.
*----------------------------------------------------------------------------*/

uint_fast64_t
 softfloat_propagateNaNF64UI( uint_fast64_t uiA, uint_fast64_t uiB )
{
    if ( softfloat_isSigNaNF64UI( uiA ) | softfloat_isSigNaNF64UI( uiB ) ) {
        softfloat_raiseFlags( softfloat_flag_invalid );
    }
    return defaultNaNF64UI;
}