app: use hypotf in lhc chroma blend mode

parent bd66794e
......@@ -110,7 +110,7 @@ chroma_pre_process (const Babl *from_fish,
{
gfloat A2 = layer_lab[4 * i + 1];
gfloat B2 = layer_lab[4 * i + 2];
gfloat c2 = hypot (A2, B2);
gfloat c2 = hypotf (A2, B2);
gfloat A = c2 * A1 / c1;
gfloat B = c2 * B1 / c1;
......
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