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27 lines
795 B
C++
27 lines
795 B
C++
/*
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Some constants
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Copyright 2018 Ahmet Inan <inan@aicodix.de>
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*/
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#ifndef CONST_HH
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#define CONST_HH
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namespace DSP {
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template <typename T>
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struct Const {
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static constexpr T EighthPi() { return 0.39269908169872415481; } // a(1)/2
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static constexpr T FourthPi() { return 0.78539816339744830962; } // 1*a(1)
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static constexpr T HalfPi() { return 1.57079632679489661923; } // 2*a(1)
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static constexpr T Pi() { return 3.14159265358979323846; } // 4*a(1)
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static constexpr T TwoPi() { return 6.28318530717958647693; } // 8*a(1)
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static constexpr T FourPi() { return 12.56637061435917295385; } // 16*a(1)
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static constexpr T SqrtPi() { return 1.77245385090551602730; } // sqrt(4*a(1))
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static constexpr T SqrtTwoPi() { return 2.50662827463100050242; } // sqrt(8*a(1))
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};
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}
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#endif
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