bswap16(1234) = 3412
bswap32(12345678) = 78563412
bswap64(123456789abcdef0) = f0debc9a78563412
fmadd(3.141590, 2.718000, 1.414000) = 9.952842
fmsub(3.141590, 2.718000, 1.414000) = 7.124842
fnmadd(3.141590, 2.718000, 1.414000) = -9.952842
fnmsub(3.141590, 2.718000, 1.414000) = -7.124842
fabs(3.141590) = 3.141590
fabs(-3.141590) = 3.141590
fsqrt(3.141590) = 1.772453
fmax(3.141590, 2.718000) = 3.141590
fmin(3.141590, 2.718000) = 2.718000