| 61 | |
| 62 | template<typename Ty, typename Tp> |
| 63 | inline static Ty cubicInterpFunc(Ty val[4], Tp xratio, bool spline) { |
| 64 | Ty a0, a1, a2, a3; |
| 65 | if (spline) { |
| 66 | a0 = scalar<Ty>(-0.5) * val[0] + scalar<Ty>(1.5) * val[1] + |
| 67 | scalar<Ty>(-1.5) * val[2] + scalar<Ty>(0.5) * val[3]; |
| 68 | |
| 69 | a1 = scalar<Ty>(1.0) * val[0] + scalar<Ty>(-2.5) * val[1] + |
| 70 | scalar<Ty>(2.0) * val[2] + scalar<Ty>(-0.5) * val[3]; |
| 71 | |
| 72 | a2 = scalar<Ty>(-0.5) * val[0] + scalar<Ty>(0.5) * val[2]; |
| 73 | |
| 74 | a3 = val[1]; |
| 75 | } else { |
| 76 | a0 = val[3] - val[2] - val[0] + val[1]; |
| 77 | a1 = val[0] - val[1] - a0; |
| 78 | a2 = val[2] - val[0]; |
| 79 | a3 = val[1]; |
| 80 | } |
| 81 | |
| 82 | Tp xratio2 = xratio * xratio; |
| 83 | Tp xratio3 = xratio2 * xratio; |
| 84 | |
| 85 | return a0 * xratio3 + a1 * xratio2 + a2 * xratio + a3; |
| 86 | } |
| 87 | |
| 88 | template<typename Ty, typename Tp> |
| 89 | inline static Ty bicubicInterpFunc(Ty val[4][4], Tp xratio, Tp yratio, |
no outgoing calls
no test coverage detected