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Diffstat (limited to 'node_modules/chroma-js/src/conversions/lab2lch.coffee')
-rw-r--r--node_modules/chroma-js/src/conversions/lab2lch.coffee7
1 files changed, 7 insertions, 0 deletions
diff --git a/node_modules/chroma-js/src/conversions/lab2lch.coffee b/node_modules/chroma-js/src/conversions/lab2lch.coffee
new file mode 100644
index 0000000000..54842a4d6d
--- /dev/null
+++ b/node_modules/chroma-js/src/conversions/lab2lch.coffee
@@ -0,0 +1,7 @@
+
+lab2lch = () ->
+ [l, a, b] = unpack arguments
+ c = Math.sqrt(a * a + b * b)
+ h = Math.atan2(b, a) / Math.PI * 180
+ [l, c, h]
+