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// ----------------------------------------------------------------------------
// Copyright (c) 2014, Nicolas P. Rougier. All Rights Reserved.
// Distributed under the (new) BSD License.
// ----------------------------------------------------------------------------
/* ---------------------------------------------------------
Inverse cartesian projection (identity)
Parameters:
-----------
position : 2d position in cartesian coordinates
Return:
-------
2d position in cartesian coordinates
--------------------------------------------------------- */
vec2 transform_identity_inverse(vec2 P)
{
return P;
}
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