o2scl::cubic_real_coeff_gsl Class Reference

Solve a cubic with real coefficients and complex roots (GSL) More...

`#include <poly.h>`

Inheritance diagram for o2scl::cubic_real_coeff_gsl:

## Public Member Functions | |

virtual int | solve_rc (const double a3, const double b3, const double c3, const double d3, double &x1, std::complex< double > &x2, std::complex< double > &x3) |

Solves the polynomial giving the real solution and two complex solutions and . | |

const char * | type () |

Return a string denoting the type ("cubic_real_coeff_gsl") | |

int | gsl_poly_complex_solve_cubic2 (double a, double b, double c, gsl_complex *z0, gsl_complex *z1, gsl_complex *z2) |

An alternative to `gsl_poly_complex_solve_cubic()` More... | |

Public Member Functions inherited from o2scl::cubic_real_coeff | |

virtual int | solve_r (const double a3, const double b3, const double c3, const double d3, double &x1, double &x2, double &x3) |

Solves the polynomial giving the three solutions , , and . | |

const char * | type () |

Return a string denoting the type ("cubic_real_coeff") | |

Public Member Functions inherited from o2scl::cubic_real | |

const char * | type () |

Return a string denoting the type ("cubic_real") | |

int o2scl::cubic_real_coeff_gsl::gsl_poly_complex_solve_cubic2 | ( | double | a, |

double | b, |
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double | c, |
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gsl_complex * | z0, |
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gsl_complex * | z1, |
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gsl_complex * | z2 |
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) |

This is an alternative to the function `gsl_poly_complex_solve_cubic()`

with some small corrections to ensure finite values for some cubics. See `src/other/poly_ts.cpp`

for more.

**Idea for Future:**- I think the GSL function is now fixed, so we can fall back to the original GSL function here.

The documentation for this class was generated from the following file:

- /home/awsteiner/wcs/o2scl/src/other/poly.h

Documentation generated with Doxygen. Provided under the
GNU Free Documentation License (see License Information).