From 9655ed4740f08899698052f232256fcf7b77c58e Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 3 Jan 2015 21:33:30 +0000
Subject: Various fixes to XYZ/RGB transforms.

---
 src/transfer_function.cc | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

(limited to 'src/transfer_function.cc')

diff --git a/src/transfer_function.cc b/src/transfer_function.cc
index 2c7e3e52..d889cbbc 100644
--- a/src/transfer_function.cc
+++ b/src/transfer_function.cc
@@ -22,21 +22,28 @@
 
 using std::pow;
 using std::map;
+using boost::shared_ptr;
 using namespace dcp;
 
+TransferFunction::TransferFunction (bool inverse)
+	: _inverse (inverse)
+{
+
+}
+
 TransferFunction::~TransferFunction ()
 {
-	for (map<int, float*>::const_iterator i = _luts.begin(); i != _luts.end(); ++i) {
+	for (map<int, double*>::const_iterator i = _luts.begin(); i != _luts.end(); ++i) {
 		delete[] i->second;
 	}
 
 	_luts.clear ();
 }
 
-float const *
+double const *
 TransferFunction::lut (int bit_depth) const
 {
-	map<int, float*>::const_iterator i = _luts.find (bit_depth);
+	map<int, double*>::const_iterator i = _luts.find (bit_depth);
 	if (i != _luts.end ()) {
 		return i->second;
 	}
@@ -44,3 +51,9 @@ TransferFunction::lut (int bit_depth) const
 	_luts[bit_depth] = make_lut (bit_depth);
 	return _luts[bit_depth];
 }
+
+bool
+TransferFunction::about_equal (shared_ptr<const TransferFunction> other, double) const
+{
+	return _inverse == other->_inverse;
+}
-- 
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