Sleef_FUNCNAME[d/f]c_uAV
d - double
f - float
c - number of elements in a vector
A - 10     1 ULP
    35   3.5 ULP
V - vector type
    sse2
    see4  (SSE4.1 actually)
    avx2128 - AVX2+FMA3 for 128bit
    avx
    fma4     AMD FMA4
    avx2     AVX2+FMA3
    avx512f
Function names:
c - bit-wise consistent results across all platforms
f - requires FMA
i - infinity is correctly handled
n - NaN is correctly handled
z - Negative zero is correctly handled
