r += coshf(float_x);
r += erfcf(float_x);
r += erff(float_x);
-/*r += exp2f(float_x); - uclibc does not have it (yet?) */
+r += exp2f(float_x);
r += expf(float_x);
r += expm1f(float_x);
r += fabsf(float_x);
r += llroundf(float_x);
r += log10f(float_x);
r += log1pf(float_x);
-/*r += log2f(float_x); - uclibc does not have it (yet?) */
+r += log2f(float_x);
r += logbf(float_x);
r += logf(float_x);
r += lrintf(float_x);