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- #pragma once
- #include <Mathematics/Math.h>
- namespace WwiseGTE
- {
- template <typename Real>
- class ACosEstimate
- {
- public:
-
-
-
- template <int D>
- inline static Real Degree(Real x)
- {
- return Evaluate(degree<D>(), x);
- }
- private:
-
-
- template <int D> struct degree {};
- inline static Real Evaluate(degree<1>, Real x)
- {
- Real poly;
- poly = (Real)GTE_C_ACOS_DEG1_C1;
- poly = (Real)GTE_C_ACOS_DEG1_C0 + poly * x;
- poly = poly * std::sqrt((Real)1 - x);
- return poly;
- }
- inline static Real Evaluate(degree<2>, Real x)
- {
- Real poly;
- poly = (Real)GTE_C_ACOS_DEG2_C2;
- poly = (Real)GTE_C_ACOS_DEG2_C1 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG2_C0 + poly * x;
- poly = poly * std::sqrt((Real)1 - x);
- return poly;
- }
- inline static Real Evaluate(degree<3>, Real x)
- {
- Real poly;
- poly = (Real)GTE_C_ACOS_DEG3_C3;
- poly = (Real)GTE_C_ACOS_DEG3_C2 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG3_C1 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG3_C0 + poly * x;
- poly = poly * std::sqrt((Real)1 - x);
- return poly;
- }
- inline static Real Evaluate(degree<4>, Real x)
- {
- Real poly;
- poly = (Real)GTE_C_ACOS_DEG4_C4;
- poly = (Real)GTE_C_ACOS_DEG4_C3 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG4_C2 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG4_C1 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG4_C0 + poly * x;
- poly = poly * std::sqrt((Real)1 - x);
- return poly;
- }
- inline static Real Evaluate(degree<5>, Real x)
- {
- Real poly;
- poly = (Real)GTE_C_ACOS_DEG5_C5;
- poly = (Real)GTE_C_ACOS_DEG5_C4 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG5_C3 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG5_C2 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG5_C1 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG5_C0 + poly * x;
- poly = poly * std::sqrt((Real)1 - x);
- return poly;
- }
- inline static Real Evaluate(degree<6>, Real x)
- {
- Real poly;
- poly = (Real)GTE_C_ACOS_DEG6_C6;
- poly = (Real)GTE_C_ACOS_DEG6_C5 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG6_C4 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG6_C3 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG6_C2 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG6_C1 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG6_C0 + poly * x;
- poly = poly * std::sqrt((Real)1 - x);
- return poly;
- }
- inline static Real Evaluate(degree<7>, Real x)
- {
- Real poly;
- poly = (Real)GTE_C_ACOS_DEG7_C7;
- poly = (Real)GTE_C_ACOS_DEG7_C6 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG7_C5 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG7_C4 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG7_C3 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG7_C2 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG7_C1 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG7_C0 + poly * x;
- poly = poly * std::sqrt((Real)1 - x);
- return poly;
- }
- inline static Real Evaluate(degree<8>, Real x)
- {
- Real poly;
- poly = (Real)GTE_C_ACOS_DEG8_C8;
- poly = (Real)GTE_C_ACOS_DEG8_C7 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG8_C6 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG8_C5 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG8_C4 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG8_C3 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG8_C2 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG8_C1 + poly * x;
- poly = (Real)GTE_C_ACOS_DEG8_C0 + poly * x;
- poly = poly * std::sqrt((Real)1 - x);
- return poly;
- }
- };
- }
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