(gmp.info.gz) Integer Comparisons

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 Comparison Functions
 ====================
 
  - Function: int mpz_cmp (mpz_t OP1, mpz_t OP2)
  - Function: int mpz_cmp_d (mpz_t OP1, double OP2)
  - Macro: int mpz_cmp_si (mpz_t OP1, signed long int OP2)
  - Macro: int mpz_cmp_ui (mpz_t OP1, unsigned long int OP2)
      Compare OP1 and OP2.  Return a positive value if OP1 > OP2, zero
      if OP1 = OP2, or a negative value if OP1 < OP2.
 
      `mpz_cmp_ui' and `mpz_cmp_si' are macros and will evaluate their
      arguments more than once.  `mpz_cmp_d' can be called with an
      infinity, but results are undefined for a NaN.
 
  - Function: int mpz_cmpabs (mpz_t OP1, mpz_t OP2)
  - Function: int mpz_cmpabs_d (mpz_t OP1, double OP2)
  - Function: int mpz_cmpabs_ui (mpz_t OP1, unsigned long int OP2)
      Compare the absolute values of OP1 and OP2.  Return a positive
      value if abs(OP1) > abs(OP2), zero if abs(OP1) = abs(OP2), or a
      negative value if abs(OP1) < abs(OP2).
 
      `mpz_cmpabs_d' can be called with an infinity, but results are
      undefined for a NaN.
 
  - Macro: int mpz_sgn (mpz_t OP)
      Return +1 if OP > 0, 0 if OP = 0, and -1 if OP < 0.
 
      This function is actually implemented as a macro.  It evaluates
      its argument multiple times.
 

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