## GOComplex GOComplex |

## Functions

GType | go_complex_get_type ()
GType | go_complexl_get_type ()
GType | go_complexD_get_type ()
void | go_complex_add ()
void | go_complex_addl ()
void | go_complex_addD ()
double | go_complex_angle ()
long double | go_complex_anglel ()
_Decimal64 | go_complex_angleD ()
double | go_complex_angle_pi ()
long double | go_complex_angle_pil ()
_Decimal64 | go_complex_angle_piD ()
void | go_complex_conj ()
void | go_complex_conjl ()
void | go_complex_conjD ()
void | go_complex_cos ()
void | go_complex_cosl ()
void | go_complex_cosD ()
void | go_complex_div ()
void | go_complex_divl ()
void | go_complex_divD ()
void | go_complex_exp ()
void | go_complex_expl ()
void | go_complex_expD ()
void | go_complex_from_polar ()
void | go_complex_from_polarl ()
void | go_complex_from_polarD ()
void | go_complex_from_polar_pi ()
void | go_complex_from_polar_pil ()
void | go_complex_from_polar_piD ()
int | go_complex_from_string ()
int | go_complex_from_stringl ()
int | go_complex_from_stringD ()
void | go_complex_init ()
void | go_complex_initl ()
void | go_complex_initD ()
void | go_complex_invalid ()
void | go_complex_invalidl ()
void | go_complex_invalidD ()
gboolean | go_complex_invalid_p ()
gboolean | go_complex_invalid_pl ()
gboolean | go_complex_invalid_pD ()
void | go_complex_ln ()
void | go_complex_lnl ()
void | go_complex_lnD ()
double | go_complex_mod ()
long double | go_complex_modl ()
_Decimal64 | go_complex_modD ()
void | go_complex_mul ()
void | go_complex_mull ()
void | go_complex_mulD ()
void | go_complex_pow ()
void | go_complex_powl ()
void | go_complex_powD ()
void | go_complex_powx ()
void | go_complex_powxl ()
void | go_complex_powxD ()
void | go_complex_real ()
void | go_complex_reall ()
void | go_complex_realD ()
gboolean | go_complex_real_p ()
gboolean | go_complex_real_pl ()
gboolean | go_complex_real_pD ()
void | go_complex_scale_real ()
void | go_complex_scale_reall ()
void | go_complex_scale_realD ()
void | go_complex_sin ()
void | go_complex_sinl ()
void | go_complex_sinD ()
void | go_complex_sqrt ()
void | go_complex_sqrtl ()
void | go_complex_sqrtD ()
void | go_complex_sub ()
void | go_complex_subl ()
void | go_complex_subD ()
void | go_complex_tan ()
void | go_complex_tanl ()
void | go_complex_tanD ()
void | go_complex_to_polar ()
void | go_complex_to_polarl ()
void | go_complex_to_polarD ()
char * | go_complex_to_string ()
char * | go_complex_to_stringl ()
char * | go_complex_to_stringD ()
gboolean | go_complex_zero_p ()
gboolean | go_complex_zero_pl ()
gboolean | go_complex_zero_pD ()

## Object Hierarchy

        GBoxed
        ├── GOComplex
        ╰── GOComplexl

## Description

## Functions

### go_complex_get_type ()

    GType
    go_complex_get_type (void);

### go_complexl_get_type ()

    GType
    go_complexl_get_type (void);

### go_complexD_get_type ()

    GType
    go_complexD_get_type (void);

### go_complex_add ()

    void
    go_complex_add (GOComplex *dst,
                    GOComplex const *a,
                    GOComplex const *b);

Computes `a` plus `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_addl ()

    void
    go_complex_addl (GOComplexl *dst,
                     GOComplexl const *a,
                     GOComplexl const *b);

Computes `a` plus `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_addD ()

    void
    go_complex_addD (GOComplexD *dst,
                     GOComplexD const *a,
                     GOComplexD const *b);

Computes `a` plus `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_angle ()

    double
    go_complex_angle (GOComplex const *src);

#### Parameters

src | argument |

#### Returns

the complex argument

### go_complex_anglel ()

    long double
    go_complex_anglel (GOComplexl const *src);

#### Parameters

src | argument |

#### Returns

the complex argument

### go_complex_angleD ()

    _Decimal64
    go_complex_angleD (GOComplexD const *src);

#### Parameters

src | argument |

#### Returns

the complex argument

### go_complex_angle_pi ()

    double
    go_complex_angle_pi (GOComplex const *src);

#### Parameters

src | argument |

#### Returns

the complex argument divided by pi

### go_complex_angle_pil ()

    long double
    go_complex_angle_pil (GOComplexl const *src);

#### Parameters

src | argument |

#### Returns

the complex argument divided by pi

### go_complex_angle_piD ()

    _Decimal64
    go_complex_angle_piD (GOComplexD const *src);

#### Parameters

src | argument |

#### Returns

the complex argument divided by pi

### go_complex_conj ()

    void
    go_complex_conj (GOComplex *dst,
                     GOComplex const *src);

Computes the complex conjugate.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_conjl ()

    void
    go_complex_conjl (GOComplexl *dst,
                      GOComplexl const *src);

Computes the complex conjugate.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_conjD ()

    void
    go_complex_conjD (GOComplexD *dst,
                      GOComplexD const *src);

Computes the complex conjugate.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_cos ()

    void
    go_complex_cos (GOComplex *dst,
                    GOComplex const *src);

Computes the complex cosine function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_cosl ()

    void
    go_complex_cosl (GOComplexl *dst,
                     GOComplexl const *src);

Computes the complex cosine function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_cosD ()

    void
    go_complex_cosD (GOComplexD *dst,
                     GOComplexD const *src);

Computes the complex cosine function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_div ()

    void
    go_complex_div (GOComplex *dst,
                    GOComplex const *a,
                    GOComplex const *b);

Computes `a` divided by `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_divl ()

    void
    go_complex_divl (GOComplexl *dst,
                     GOComplexl const *a,
                     GOComplexl const *b);

Computes `a` divided by `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_divD ()

    void
    go_complex_divD (GOComplexD *dst,
                     GOComplexD const *a,
                     GOComplexD const *b);

Computes `a` divided by `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_exp ()

    void
    go_complex_exp (GOComplex *dst,
                    GOComplex const *src);

Computes the complex exponential function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_expl ()

    void
    go_complex_expl (GOComplexl *dst,
                     GOComplexl const *src);

Computes the complex exponential function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_expD ()

    void
    go_complex_expD (GOComplexD *dst,
                     GOComplexD const *src);

Computes the complex exponential function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_from_polar ()

    void
    go_complex_from_polar (GOComplex *dst,
                           double mod,
                           double angle);

Initializes a complex number from polar coordinates.

#### Parameters

dst | destination. | [out]
mod | modulus |
angle | argument. |

### go_complex_from_polarl ()

    void
    go_complex_from_polarl (GOComplexl *dst,
                            long double mod,
                            long double angle);

Initializes a complex number from polar coordinates.

#### Parameters

dst | destination. | [out]
mod | modulus |
angle | argument. |

### go_complex_from_polarD ()

    void
    go_complex_from_polarD (GOComplexD *dst,
                            _Decimal64 mod,
                            _Decimal64 angle);

Initializes a complex number from polar coordinates.

#### Parameters

dst | destination. | [out]
mod | modulus |
angle | argument. |

### go_complex_from_polar_pi ()

    void
    go_complex_from_polar_pi (GOComplex *dst,
                              double mod,
                              double angle);

Initializes a complex number from polar coordinates, except that the argument is divided by pi to ensure that important values can be represented without rounding errors.

#### Parameters

dst | destination. | [out]
mod | modulus |
angle | argument divided by pi |

### go_complex_from_polar_pil ()

    void
    go_complex_from_polar_pil (GOComplexl *dst,
                               long double mod,
                               long double angle);

Initializes a complex number from polar coordinates, except that the argument is divided by pi to ensure that important values can be represented without rounding errors.

#### Parameters

dst | destination. | [out]
mod | modulus |
angle | argument divided by pi |

### go_complex_from_polar_piD ()

    void
    go_complex_from_polar_piD (GOComplexD *dst,
                               _Decimal64 mod,
                               _Decimal64 angle);

Initializes a complex number from polar coordinates, except that the argument is divided by pi to ensure that important values can be represented without rounding errors.

#### Parameters

dst | destination. | [out]
mod | modulus |
angle | argument divided by pi |

### go_complex_from_string ()

    int
    go_complex_from_string (GOComplex *dst,
                            char const *src,
                            char *imunit);

#### Parameters

dst | destination. | [out]
src | text to parse as a complex number |
imunit | character unit used for imaginary unit, typically 'i' |

#### Returns

zero if successful, non-zero otherwise

### go_complex_from_stringl ()

    int
    go_complex_from_stringl (GOComplexl *dst,
                             char const *src,
                             char *imunit);

#### Parameters

dst | destination. | [out]
src | text to parse as a complex number |
imunit | character unit used for imaginary unit, typically 'i' |

#### Returns

zero if successful, non-zero otherwise

### go_complex_from_stringD ()

    int
    go_complex_from_stringD (GOComplexD *dst,
                             char const *src,
                             char *imunit);

#### Parameters

dst | destination. | [out]
src | text to parse as a complex number |
imunit | character unit used for imaginary unit, typically 'i' |

#### Returns

zero if successful, non-zero otherwise

### go_complex_init ()

    void
    go_complex_init (GOComplex *dst,
                     double re,
                     double im);

Initializes a complex number from real and complex parts.

#### Parameters

dst | destination. | [out]
re | real value |
im | imaginary value |

### go_complex_initl ()

    void
    go_complex_initl (GOComplexl *dst,
                      long double re,
                      long double im);

Initializes a complex number from real and complex parts.

#### Parameters

dst | destination. | [out]
re | real value |
im | imaginary value |

### go_complex_initD ()

    void
    go_complex_initD (GOComplexD *dst,
                      _Decimal64 re,
                      _Decimal64 im);

Initializes a complex number from real and complex parts.

#### Parameters

dst | destination. | [out]
re | real value |
im | imaginary value |

### go_complex_invalid ()

    void
    go_complex_invalid (GOComplex *dst);

Initializes a complex number with real and complex parts both NaN.

#### Parameters

dst | destination. | [out]

### go_complex_invalidl ()

    void
    go_complex_invalidl (GOComplexl *dst);

Initializes a complex number with real and complex parts both NaN.

#### Parameters

dst | destination. | [out]

### go_complex_invalidD ()

    void
    go_complex_invalidD (GOComplexD *dst);

Initializes a complex number with real and complex parts both NaN.

#### Parameters

dst | destination. | [out]

### go_complex_invalid_p ()

    gboolean
    go_complex_invalid_p (GOComplex const *src);

#### Parameters

src | complex value |

#### Returns

`TRUE` if the complex number is invalid, i.e., either the real or the complex component is NaN.

### go_complex_invalid_pl ()

    gboolean
    go_complex_invalid_pl (GOComplexl const *src);

#### Parameters

src | complex value |

#### Returns

`TRUE` if the complex number is invalid, i.e., either the real or the complex component is NaN.

### go_complex_invalid_pD ()

    gboolean
    go_complex_invalid_pD (GOComplexD const *src);

#### Parameters

src | complex value |

#### Returns

`TRUE` if the complex number is invalid, i.e., either the real or the complex component is NaN.

### go_complex_ln ()

    void
    go_complex_ln (GOComplex *dst,
                   GOComplex const *src);

Computes the complex logarithm function's principal branch.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_lnl ()

    void
    go_complex_lnl (GOComplexl *dst,
                    GOComplexl const *src);

Computes the complex logarithm function's principal branch.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_lnD ()

    void
    go_complex_lnD (GOComplexD *dst,
                    GOComplexD const *src);

Computes the complex logarithm function's principal branch.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_mod ()

    double
    go_complex_mod (GOComplex const *src);

#### Parameters

src | argument |

#### Returns

the complex modulus.

### go_complex_modl ()

    long double
    go_complex_modl (GOComplexl const *src);

#### Parameters

src | argument |

#### Returns

the complex modulus.

### go_complex_modD ()

    _Decimal64
    go_complex_modD (GOComplexD const *src);

#### Parameters

src | argument |

#### Returns

the complex modulus.

### go_complex_mul ()

    void
    go_complex_mul (GOComplex *dst,
                    GOComplex const *a,
                    GOComplex const *b);

Computes `a` multiplied by `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_mull ()

    void
    go_complex_mull (GOComplexl *dst,
                     GOComplexl const *a,
                     GOComplexl const *b);

Computes `a` multiplied by `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_mulD ()

    void
    go_complex_mulD (GOComplexD *dst,
                     GOComplexD const *a,
                     GOComplexD const *b);

Computes `a` multiplied by `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_pow ()

    void
    go_complex_pow (GOComplex *dst,
                    GOComplex const *a,
                    GOComplex const *b);

Computes the complex power `a` to the power of `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | second argument |

### go_complex_powl ()

    void
    go_complex_powl (GOComplexl *dst,
                     GOComplexl const *a,
                     GOComplexl const *b);

Computes the complex power `a` to the power of `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | second argument |

### go_complex_powD ()

    void
    go_complex_powD (GOComplexD *dst,
                     GOComplexD const *a,
                     GOComplexD const *b);

Computes the complex power `a` to the power of `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | second argument |

### go_complex_powx ()

    void
    go_complex_powx (GOComplex *dst,
                     double *e,
                     GOComplex const *a,
                     GOComplex const *b);

### go_complex_powxl ()

    void
    go_complex_powxl (GOComplexl *dst,
                      long double *e,
                      GOComplexl const *a,
                      GOComplexl const *b);

### go_complex_powxD ()

    void
    go_complex_powxD (GOComplexD *dst,
                      _Decimal64 *e,
                      GOComplexD const *a,
                      GOComplexD const *b);

### go_complex_real ()

    void
    go_complex_real (GOComplex *dst,
                     double re);

Initializes a complex number from a real value.

#### Parameters

dst | destination. | [out]
re | real value |

### go_complex_reall ()

    void
    go_complex_reall (GOComplexl *dst,
                      long double re);

Initializes a complex number from a real value.

#### Parameters

dst | destination. | [out]
re | real value |

### go_complex_realD ()

    void
    go_complex_realD (GOComplexD *dst,
                      _Decimal64 re);

Initializes a complex number from a real value.

#### Parameters

dst | destination. | [out]
re | real value |

### go_complex_real_p ()

    gboolean
    go_complex_real_p (GOComplex const *src);

#### Parameters

src | complex value |

#### Returns

`TRUE` if the complex number has no complex component.

### go_complex_real_pl ()

    gboolean
    go_complex_real_pl (GOComplexl const *src);

#### Parameters

src | complex value |

#### Returns

`TRUE` if the complex number has no complex component.

### go_complex_real_pD ()

    gboolean
    go_complex_real_pD (GOComplexD const *src);

#### Parameters

src | complex value |

#### Returns

`TRUE` if the complex number has no complex component.

### go_complex_scale_real ()

    void
    go_complex_scale_real (GOComplex *dst,
                           double f);

Scales a complex number by a real scale.

#### Parameters

dst | complex value. | [inout]
f | scale |

### go_complex_scale_reall ()

    void
    go_complex_scale_reall (GOComplexl *dst,
                            long double f);

Scales a complex number by a real scale.

#### Parameters

dst | complex value. | [inout]
f | scale |

### go_complex_scale_realD ()

    void
    go_complex_scale_realD (GOComplexD *dst,
                            _Decimal64 f);

Scales a complex number by a real scale.

#### Parameters

dst | complex value. | [inout]
f | scale |

### go_complex_sin ()

    void
    go_complex_sin (GOComplex *dst,
                    GOComplex const *src);

Computes the complex sine function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_sinl ()

    void
    go_complex_sinl (GOComplexl *dst,
                     GOComplexl const *src);

Computes the complex sine function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_sinD ()

    void
    go_complex_sinD (GOComplexD *dst,
                     GOComplexD const *src);

Computes the complex sine function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_sqrt ()

    void
    go_complex_sqrt (GOComplex *dst,
                     GOComplex const *src);

Computes the complex square root.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_sqrtl ()

    void
    go_complex_sqrtl (GOComplexl *dst,
                      GOComplexl const *src);

Computes the complex square root.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_sqrtD ()

    void
    go_complex_sqrtD (GOComplexD *dst,
                      GOComplexD const *src);

Computes the complex square root.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_sub ()

    void
    go_complex_sub (GOComplex *dst,
                    GOComplex const *a,
                    GOComplex const *b);

Computes `a` minus `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_subl ()

    void
    go_complex_subl (GOComplexl *dst,
                     GOComplexl const *a,
                     GOComplexl const *b);

Computes `a` minus `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_subD ()

    void
    go_complex_subD (GOComplexD *dst,
                     GOComplexD const *a,
                     GOComplexD const *b);

Computes `a` minus `b` .

#### Parameters

dst | destination. | [out]
a | first argument |
b | first argument |

### go_complex_tan ()

    void
    go_complex_tan (GOComplex *dst,
                    GOComplex const *src);

Computes the complex tangent function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_tanl ()

    void
    go_complex_tanl (GOComplexl *dst,
                     GOComplexl const *src);

Computes the complex tangent function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_tanD ()

    void
    go_complex_tanD (GOComplexD *dst,
                     GOComplexD const *src);

Computes the complex tangent function.

#### Parameters

dst | destination. | [out]
src | argument |

### go_complex_to_polar ()

    void
    go_complex_to_polar (double *mod,
                         double *angle,
                         GOComplex const *src);

Computes the polar coordinates of `src` .

#### Parameters

mod | modulus. | [out]
angle | argument. | [out]
src | complex value |

### go_complex_to_polarl ()

    void
    go_complex_to_polarl (long double *mod,
                          long double *angle,
                          GOComplexl const *src);

Computes the polar coordinates of `src` .

#### Parameters

mod | modulus. | [out]
angle | argument. | [out]
src | complex value |

### go_complex_to_polarD ()

    void
    go_complex_to_polarD (_Decimal64 *mod,
                          _Decimal64 *angle,
                          GOComplexD const *src);

Computes the polar coordinates of `src` .

#### Parameters

mod | modulus. | [out]
angle | argument. | [out]
src | complex value |

### go_complex_to_string ()

    char *
    go_complex_to_string (GOComplex const *src,
                          char const *reformat,
                          char const *imformat,
                          char imunit);

#### Parameters

src | complex value |
reformat | printf format for real component |
imformat | printf format for real component |
imunit | character unit for imaginary unit, typically 'i' |

#### Returns

formats a complex number.

[transfer full]

### go_complex_to_stringl ()

    char *
    go_complex_to_stringl (GOComplexl const *src,
                           char const *reformat,
                           char const *imformat,
                           char imunit);

#### Parameters

src | complex value |
reformat | printf format for real component |
imformat | printf format for real component |
imunit | character unit for imaginary unit, typically 'i' |

#### Returns

formats a complex number.

[transfer full]

### go_complex_to_stringD ()

    char *
    go_complex_to_stringD (GOComplexD const *src,
                           char const *reformat,
                           char const *imformat,
                           char imunit);

#### Parameters

src | complex value |
reformat | printf format for real component |
imformat | printf format for real component |
imunit | character unit for imaginary unit, typically 'i' |

#### Returns

formats a complex number.

[transfer full]

### go_complex_zero_p ()

    gboolean
    go_complex_zero_p (GOComplex const *src);

#### Parameters

src | complex value |

#### Returns

`TRUE` if the complex number is zero.

### go_complex_zero_pl ()

    gboolean
    go_complex_zero_pl (GOComplexl const *src);

#### Parameters

src | complex value |

#### Returns

`TRUE` if the complex number is zero.

### go_complex_zero_pD ()

    gboolean
    go_complex_zero_pD (GOComplexD const *src);

#### Parameters

src | complex value |

#### Returns

`TRUE` if the complex number is zero.