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tfunctions.h - numeric - C++ library with numerical algorithms |
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git clone git://src.adamsgaard.dk/numeric |
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tfunctions.h (584B) |
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1 // Make sure file is only included once per object |
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2 #ifndef FUNCTIONS_H_ |
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3 #define FUNCTIONS_H_ |
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4 |
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5 #include <vector> |
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6 #include <complex> |
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7 #include "typedefs.h" |
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8 |
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9 |
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10 //// ODEs with real+complex parts. |
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11 //// Return the derivatives at the point x,vec(y) |
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12 |
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13 std::vector<std::complex<Floattype> > |
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14 func1(const std::complex<Floattype> z, |
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15 const std::vector<std::complex<Floattype> > &y) |
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16 { |
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17 std::vector<std::complex<Floattype> > dydz(2); |
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18 dydz[0].real() = y[1].real(); |
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19 dydz[0].imag() = y[1].imag(); |
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20 dydz[1].real() = -y[0].real(); |
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21 dydz[1].imag() = 0.5f*y[0].imag(); |
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22 return dydz; |
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23 } |
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24 |
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25 #endif |
