Words in fpieee-ext.c version 0.5.0
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ELEMENTARY FUNCTIONS NEW IN C99
  fcbrt  fma  fdim
  fexp2  flog2
  ferf  ferfc
  flgamma  ftgamma

MACHINE CONSTANTS (to be expanded?)
  flt-radix  int-max

FLOATING-POINT AUXILIARY FUNCTIONS
  fpclassify  isfinite  isinf  isnan  isnormal
  copysign  nextafter  signbit
  frexp  ldexp  modf  modfd  scalbn  logb  ilogb

CONSTANTS FOR FPCLASSIFY
  FP-INFINITE  FP-NAN  FP-NORMAL  FP-SUBNORMAL  FP-ZERO

CONSTANTS FOR ILOGB
  FP-ILOGB0   FP-ILOGBNAN

FLOATING-POINT ENVIRONMENT
  FE-DEFL-ENV  fegetenv  fesetenv  feholdexcept  feupdateenv

FLOATING-POINT EXCEPTIONS
  fegetexceptflag  fesetexceptflag  fetestexcept
  feraiseexcept    feclearexcept

MASKS FOR FLOATING-POINT EXCEPTIONS
  FE-DIVBYZERO  FE-INEXACT    FE-INVALID
  FE-OVERFLOW   FE-UNDERFLOW  FE-ALL-EXCEPT

FLOATING-POINT ROUNDING MODES
  fegetround  fesetround

CONSTANTS FOR FLOATING-POINT ROUNDING MODES
  FE-DOWNWARD  FE-UPWARD  FE-TONEAREST  FE-TOWARDZERO

C99 NONEXCEPTION COMPARISONS (not included)
  isgreater  isgreaterequal  isless  islessequal
  islessgreater  isunordered