C99 math functions: ("float"-versions of existing "double" functions) cosf hypotf sinf tanf (functions generally missing, including their "float" counterparts) acosh acoshf asinh asinhf exp2 exp2f fma fmaf lgamma lgammaf log2 log2f lrint lrintf lround lroundf nearbyint nearbyintf nexttoward nexttowardf remainder remainderf remquo remquof round roundf sinh sinhf tanh tanhf tgamma tgammaf trunc truncf