Update "colour.EPSILON" constant value.

colour-science · Jun 6, 2017 · 2f770bc · 2f770bc
1 parent fae10d8
commit 2f770bc
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/colour/appearance/ciecam02.py b/colour/appearance/ciecam02.py
@@ -48,6 +48,7 @@
     HPE_TO_XYZ_MATRIX,
     XYZ_TO_HPE_MATRIX,
     luminance_level_adaptation_factor)
+from colour.constants import EPSILON
 from colour.utilities import (
     CaseInsensitiveMapping,
     as_numeric,
@@ -1183,7 +1184,7 @@ def temporary_magnitude_quantity_reverse(C, J, n):
    """
 
     C = np.asarray(C)
-    J = np.maximum(np.asarray(J), np.finfo(np.float_).eps)
+    J = np.maximum(J, EPSILON)
     n = np.asarray(n)
 
     t = (C / (np.sqrt(J / 100) * (1.64 - 0.29 ** n) ** 0.73)) ** (1 / 0.9)

diff --git a/colour/constants/common.py b/colour/constants/common.py
@@ -10,6 +10,8 @@
 
 from __future__ import division, unicode_literals
 
+import numpy as np
+
 __author__ = 'Colour Developers'
 __copyright__ = 'Copyright (C) 2013-2017 - Colour Developers'
 __license__ = 'New BSD License - http://opensource.org/licenses/BSD-3-Clause'
@@ -35,7 +37,7 @@
 INTEGER_THRESHOLD : numeric
 """
 
-EPSILON = 1e-15
+EPSILON = np.finfo(np.float_).eps
 """
 Default epsilon value for tolerance and singularities avoidance in various
 computations.