Lines Matching refs:frexp

1 # frexp.m4 serial 14
13     AC_CACHE_CHECK([whether frexp() can be used with libm],
22              [[int e; return frexp (x, &e) > 0;]])],
46       [Define if the frexp() function is available and works.])
63     dnl Set REPLACE_FREXP here because the system may have frexp in libm.
68       [Define if the frexp() function is available in libc.])
72 dnl Test whether frexp() can be used without linking with libm.
76   AC_CACHE_CHECK([whether frexp() can be used without linking with libm],
83            [[int e; return frexp (x, &e) > 0;]])],
89 dnl Test whether frexp() works also on denormalized numbers (this fails e.g. on
97   AC_CACHE_CHECK([whether frexp works], [gl_cv_func_frexp_works],
128   /* NeXTstep 3.3 frexp() runs into an endless loop when called on an infinite
138       double y = frexp (x, &exp);
148     double y = frexp (x, &exp);
156     double y = frexp (x, &exp);