FGSL: interface/fft.finc File Reference

FGSL Fortran interface for the GNU scientific library

Functions/Subroutines
fft.finc File Reference
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## Functions/Subroutines
integer(c_int) function | gsl_fft_complex_radix2_forward (data, stride, n)
integer(c_int) function | gsl_fft_complex_radix2_transform (data, stride, n, sign)
integer(c_int) function | gsl_fft_complex_radix2_backward (data, stride, n)
integer(c_int) function | gsl_fft_complex_radix2_inverse (data, stride, n)
integer(c_int) function | gsl_fft_complex_radix2_dif_forward (data, stride, n)
integer(c_int) function | gsl_fft_complex_radix2_dif_transform (data, stride, n, sign)
integer(c_int) function | gsl_fft_complex_radix2_dif_backward (data, stride, n)
integer(c_int) function | gsl_fft_complex_radix2_dif_inverse (data, stride, n)
type(c_ptr) function | gsl_fft_complex_wavetable_alloc (n)
subroutine | gsl_fft_complex_wavetable_free (w)
type(c_ptr) function | gsl_fft_complex_workspace_alloc (n)
subroutine | gsl_fft_complex_workspace_free (w)
integer(c_int) function | gsl_fft_complex_forward (data, stride, n, wavetable, work)
integer(c_int) function | gsl_fft_complex_transform (data, stride, n, wavetable, work, sign)
integer(c_int) function | gsl_fft_complex_backward (data, stride, n, wavetable, work)
integer(c_int) function | gsl_fft_complex_inverse (data, stride, n, wavetable, work)
integer(c_int) function | gsl_fft_real_radix2_transform (data, stride, n)
integer(c_int) function | gsl_fft_halfcomplex_radix2_inverse (data, stride, n)
integer(c_int) function | gsl_fft_halfcomplex_radix2_backward (data, stride, n)
type(c_ptr) function | gsl_fft_real_wavetable_alloc (n)
subroutine | gsl_fft_real_wavetable_free (w)
type(c_ptr) function | gsl_fft_halfcomplex_wavetable_alloc (n)
subroutine | gsl_fft_halfcomplex_wavetable_free (w)
type(c_ptr) function | gsl_fft_real_workspace_alloc (n)
subroutine | gsl_fft_real_workspace_free (w)
integer(c_int) function | gsl_fft_real_transform (data, stride, n, wavetable, work)
integer(c_int) function | gsl_fft_halfcomplex_transform (data, stride, n, wavetable, work)
integer(c_int) function | gsl_fft_real_unpack (real_coefficient, complex_coefficient, stride, n)
integer(c_int) function | gsl_fft_halfcomplex_unpack (halfcomplex_coefficient, complex_coefficient, stride, n)

## Function/Subroutine Documentation

## ◆ gsl_fft_complex_backward()

integer(c_int) function gsl_fft_complex_backward | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n,
|  | type(c_ptr), value | wavetable,
|  | type(c_ptr), value | work
| ) |  |

## ◆ gsl_fft_complex_forward()

integer(c_int) function gsl_fft_complex_forward | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n,
|  | type(c_ptr), value | wavetable,
|  | type(c_ptr), value | work
| ) |  |

## ◆ gsl_fft_complex_inverse()

integer(c_int) function gsl_fft_complex_inverse | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n,
|  | type(c_ptr), value | wavetable,
|  | type(c_ptr), value | work
| ) |  |

## ◆ gsl_fft_complex_radix2_backward()

integer(c_int) function gsl_fft_complex_radix2_backward | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n
| ) |  |

## ◆ gsl_fft_complex_radix2_dif_backward()

integer(c_int) function gsl_fft_complex_radix2_dif_backward | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n
| ) |  |

## ◆ gsl_fft_complex_radix2_dif_forward()

integer(c_int) function gsl_fft_complex_radix2_dif_forward | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n
| ) |  |

## ◆ gsl_fft_complex_radix2_dif_inverse()

integer(c_int) function gsl_fft_complex_radix2_dif_inverse | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n
| ) |  |

## ◆ gsl_fft_complex_radix2_dif_transform()

integer(c_int) function gsl_fft_complex_radix2_dif_transform | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n,
|  | integer(c_int), value | sign
| ) |  |

## ◆ gsl_fft_complex_radix2_forward()

integer(c_int) function gsl_fft_complex_radix2_forward | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n
| ) |  |

## ◆ gsl_fft_complex_radix2_inverse()

integer(c_int) function gsl_fft_complex_radix2_inverse | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n
| ) |  |

## ◆ gsl_fft_complex_radix2_transform()

integer(c_int) function gsl_fft_complex_radix2_transform | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n,
|  | integer(c_int), value | sign
| ) |  |

## ◆ gsl_fft_complex_transform()

integer(c_int) function gsl_fft_complex_transform | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n,
|  | type(c_ptr), value | wavetable,
|  | type(c_ptr), value | work,
|  | integer(c_int), value | sign
| ) |  |

## ◆ gsl_fft_complex_wavetable_alloc()

type(c_ptr) function gsl_fft_complex_wavetable_alloc | ( | integer(c_size_t), value | n | ) |

## ◆ gsl_fft_complex_wavetable_free()

subroutine gsl_fft_complex_wavetable_free | ( | type(c_ptr), value | w | ) |

## ◆ gsl_fft_complex_workspace_alloc()

type(c_ptr) function gsl_fft_complex_workspace_alloc | ( | integer(c_size_t), value | n | ) |

## ◆ gsl_fft_complex_workspace_free()

subroutine gsl_fft_complex_workspace_free | ( | type(c_ptr), value | w | ) |

## ◆ gsl_fft_halfcomplex_radix2_backward()

integer(c_int) function gsl_fft_halfcomplex_radix2_backward | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n
| ) |  |

## ◆ gsl_fft_halfcomplex_radix2_inverse()

integer(c_int) function gsl_fft_halfcomplex_radix2_inverse | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n
| ) |  |

## ◆ gsl_fft_halfcomplex_transform()

integer(c_int) function gsl_fft_halfcomplex_transform | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n,
|  | type(c_ptr), value | wavetable,
|  | type(c_ptr), value | work
| ) |  |

## ◆ gsl_fft_halfcomplex_unpack()

integer(c_int) function gsl_fft_halfcomplex_unpack | ( | type(c_ptr), value | halfcomplex_coefficient,
|  | type(c_ptr), value | complex_coefficient,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n
| ) |  |

## ◆ gsl_fft_halfcomplex_wavetable_alloc()

type(c_ptr) function gsl_fft_halfcomplex_wavetable_alloc | ( | integer(c_size_t), value | n | ) |

## ◆ gsl_fft_halfcomplex_wavetable_free()

subroutine gsl_fft_halfcomplex_wavetable_free | ( | type(c_ptr), value | w | ) |

## ◆ gsl_fft_real_radix2_transform()

integer(c_int) function gsl_fft_real_radix2_transform | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n
| ) |  |

## ◆ gsl_fft_real_transform()

integer(c_int) function gsl_fft_real_transform | ( | type(c_ptr), value | data,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n,
|  | type(c_ptr), value | wavetable,
|  | type(c_ptr), value | work
| ) |  |

## ◆ gsl_fft_real_unpack()

integer(c_int) function gsl_fft_real_unpack | ( | type(c_ptr), value | real_coefficient,
|  | type(c_ptr), value | complex_coefficient,
|  | integer(c_size_t), value | stride,
|  | integer(c_size_t), value | n
| ) |  |

## ◆ gsl_fft_real_wavetable_alloc()

type(c_ptr) function gsl_fft_real_wavetable_alloc | ( | integer(c_size_t), value | n | ) |

## ◆ gsl_fft_real_wavetable_free()

subroutine gsl_fft_real_wavetable_free | ( | type(c_ptr), value | w | ) |

## ◆ gsl_fft_real_workspace_alloc()

type(c_ptr) function gsl_fft_real_workspace_alloc | ( | integer(c_size_t), value | n | ) |

## ◆ gsl_fft_real_workspace_free()

subroutine gsl_fft_real_workspace_free | ( | type(c_ptr), value | w | ) |