2 ilogb() function: get exponent as integer.
11 isfinite [test $HAVE_ILOGB = 0 || test $REPLACE_ILOGB = 1]
12 frexp [test $HAVE_ILOGB = 0 || test $REPLACE_ILOGB = 1]
13 isnand [test $HAVE_ILOGB = 0 || test $REPLACE_ILOGB = 1]
17 if test $HAVE_ILOGB = 0 || test $REPLACE_ILOGB = 1; then
20 gl_MATH_MODULE_INDICATOR([ilogb])