pow2l             321 maint/gnulib/tests/test-float.c         volatile long double pow2_n = pow2l (n); /* 2^n */
pow2l             333 maint/gnulib/tests/test-float.c     volatile long double x = pow2l (LDBL_MIN_EXP - 1);
pow2l             348 maint/gnulib/tests/test-float.c         volatile long double half_n = pow2l (- n); /* 2^-n */