24 lines
447 B
C
24 lines
447 B
C
int
|
|
isinf (double x)
|
|
{
|
|
return __builtin_isinf_sign (x);
|
|
}
|
|
|
|
int
|
|
isinff (float x)
|
|
{
|
|
return __builtin_isinf_sign (x);
|
|
}
|
|
|
|
int
|
|
isinfl (long double x)
|
|
{
|
|
return __builtin_isinf_sign (x);
|
|
}
|
|
|
|
/* Infinity as a constant value. Should never actually be used any longer,
|
|
but has been exported by Cygwin for ages so we keep it here for (probably
|
|
unnecessary) backward compat. */
|
|
#include <float.h>
|
|
const double __infinity[1] = { DBL_MAX+DBL_MAX };
|