doesn't compile with C++11

[mvitolo]

With a project with C++11 enabled the compiler give me error:
non-constant-expression cannot be narrowed from type 'double' to 'CGFloat' (aka 'float') in initializer list

line 151

CGFloat locationList[] = {0.0, bubbleMiddle-0.03, bubbleMiddle, bubbleMiddle+0.03, 1.0};

line 176

 CGFloat colorList[] = {
            //red, green, blue, alpha 
            red*1.16+colourHL, green*1.16+colourHL, blue*1.16+colourHL, alpha,
            red*1.16+colourHL, green*1.16+colourHL, blue*1.16+colourHL, alpha,
            red*1.08+colourHL, green*1.08+colourHL, blue*1.08+colourHL, alpha,
            red     +colourHL, green     +colourHL, blue     +colourHL, alpha,
            red     +colourHL, green     +colourHL, blue     +colourHL, alpha
        };