cproj(3) — Справочная страница Linux

cproj(3)                Library Functions Manual                cproj(3)

ИМЯ

       cproj, cprojf, cprojl - project into Riemann Sphere

БИБЛИОТЕКА

       Math library (libm, -lm)

СИНТАКСИС

       #include <complex.h>

       double complex cproj(double complex z);
       float complex cprojf(float complex z);
       long double complex cprojl(long double complex z);

ОПИСАНИЕ

       These functions project a point in the plane onto the surface of
       a Riemann Sphere, the one-point compactification of the complex
       plane.  Each finite point z projects to z itself.  Every complex
       infinite value is projected to a single infinite value, namely to
       positive infinity on the real axis.

АТРИБУТЫ

       For an explanation of the terms used in this section, see
       attributes(7).
       ┌─────────────────────────────────────┬───────────────┬─────────┐
       │ Interface                           │ Attribute     │ Value   │
       ├─────────────────────────────────────┼───────────────┼─────────┤
       │ cproj(), cprojf(), cprojl()         │ Thread safety │ MT-Safe │
       └─────────────────────────────────────┴───────────────┴─────────┘

СТАНДАРТЫ

       C11, POSIX.1-2008.

ИСТОРИЯ

       glibc 2.1.  C99, POSIX.1-2001.

       In glibc 2.11 and earlier, the implementation does something
       different (a stereographic projection onto a Riemann Sphere).

СМОТРИТЕ ТАКЖЕ

       cabs(3), complex(7)

КОЛОФОН

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Linux man-pages 6.9.1          2024-05-02                       cproj(3)

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