invert()

void M2::ARingCCi::invert ( ElementType & result, const ElementType & a ) const

inline

Definition at line 322 of file aring-CCi.hpp.

  {
    mpfi_t norm, temp;
    mpfi_init2(norm,get_precision());
    mpfi_init2(temp,get_precision());
    mpfi_set(norm,&a.re);
    mpfi_mul(norm,norm,norm);
    mpfi_set(temp,&a.im);
    mpfi_mul(temp,temp,temp);
    mpfi_add(norm,norm,temp);
    mpfi_set(&result.re,&a.re);
    mpfi_mul_si(&result.im,&a.im,-1);
    mpfi_div(&result.re,&result.re,norm);
    mpfi_div(&result.im,&result.im,norm);
  }

References get_precision(), and result().

Referenced by divide().