Lines Matching full:isnan
18 dnl The variable gl_func_isnanl set here is used by isnan.m4.
51 [Define if the isnan(long double) function is available in libc.])
65 AC_CACHE_CHECK([whether isnan(long double) can be used without linking with libm],
74 #elif defined isnan
76 # define isnanl(x) isnan ((long double)(x))
88 AC_CACHE_CHECK([whether isnan(long double) can be used with libm],
99 #elif defined isnan
101 # define isnanl(x) isnan ((long double)(x))
132 #elif defined isnan
134 # define isnanl(x) isnan ((long double)(x))
