almostEqual()

bool almostEqual	(	const M2::ARingCCC &	C,
		int	nbits,
		const M2::ARingCCC::ElementType &	a,
		const M2::ARingCCC::ElementType &	b )

Definition at line 45 of file ARingCCCTest.cpp.

{
  mpfr_t epsilon;
  mpfr_init2(epsilon, C.get_precision());
  mpfr_set_ui_2exp(epsilon, 1, -nbits, MPFR_RNDN);  // should there be exp() ???
 
  M2::ARingCCC::ElementType c;
  C.init(c);
  C.subtract(c, a, b);
 
  bool ret = mpfr_cmpabs(&c.re, epsilon) < 0 && mpfr_cmpabs(&c.im, epsilon) < 0;
 
  C.clear(c);
  mpfr_clear(epsilon);
  return ret;
}

References M2::ARingCCC::clear(), M2::ARingCCC::get_precision(), cc_struct::im, M2::ARingCCC::init(), cc_struct::re, and M2::ARingCCC::subtract().

Referenced by TEST(), TEST(), TEST(), TEST(), and TEST().