Python abs Examples

Example #1

File: flex.py Project: keitaroyam/cctbx_fork

def compare_derivatives(more_reliable, less_reliable, eps=1e-6):
  from __builtin__ import max
  scale = max(1, ext.max(ext.abs(more_reliable)))
  if (not (more_reliable/scale).all_approx_equal( # fast
             other=less_reliable/scale, tolerance=eps)):
    from libtbx.test_utils import approx_equal
    assert approx_equal( # slow but helpful output
      more_reliable/scale, less_reliable/scale, eps=eps)

Example #2

def compare_derivatives(more_reliable, less_reliable, eps=1e-6):
  from __builtin__ import max
  scale = max(1, ext.max(ext.abs(more_reliable)))
  if (not (more_reliable/scale).all_approx_equal( # fast
             other=less_reliable/scale, tolerance=eps)):
    from libtbx.test_utils import approx_equal
    assert approx_equal( # slow but helpful output
      more_reliable/scale, less_reliable/scale, eps=eps)