pow2f             162 maint/gnulib/tests/test-float.c         volatile float pow2_n = pow2f (n); /* 2^n */
pow2f             174 maint/gnulib/tests/test-float.c     volatile float x = pow2f (FLT_MIN_EXP - 1);
pow2f             189 maint/gnulib/tests/test-float.c         volatile float half_n = pow2f (- n); /* 2^-n */