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Man Pages


Manual Reference Pages  -  COMPLEX (3)

NAME

complex - complex arithmetic

CONTENTS

Library
Synopsis
Description
     Absolute-value Functions
     Exponential Function
     Manipulation Functions
     Trigonometric and Hyperbolic Functions
See Also
Standards
Bugs

LIBRARY


.Lb libm

SYNOPSIS


.In complex.h

DESCRIPTION

These functions support complex arithmetic in the C math library.

LIST OF FUNCTIONS

Each of the following
.Vt double complex functions has a
.Vt float complex counterpart with an f’ appended to the name and a
.Vt long double complex counterpart with an l’ appended. As an example, the
.Vt float complex and
.Vt long double complex counterparts of double cabs double complex z are float cabsf float complex z and long double cabsl long double complex z, respectively.

    Absolute-value Functions

Name   Description cabs    complex absolute value (i.e. norm, modulus, magnitude) csqrt   complex square root

    Exponential Function

Name   Description cexp    exponential base e

    Manipulation Functions

Name   Description carg    compute the argument (i.e. phase angle) cimag   compute the imaginary part conj    compute the complex conjugate cproj   compute projection onto Riemann sphere creal   compute the real part

    Trigonometric and Hyperbolic Functions

Name   Description cacos   arc cosine cacosh  arc hyperbolic cosine casin   arc sine casinh  arc hyperbolic sine catan   arc tangent catanh  arc hyperbolic tangent ccos    cosine ccosh   hyperbolic cosine csin    sine csinh   hyperbolic sine ctan    tangent ctanh   hyperbolic tangent

SEE ALSO

math(3), fenv(3), ieee(3), tgmath(3)
.Rs ISO/IEC 9899:TC3
.Re

STANDARDS

The
.In complex.h functions described here conform to -isoC-99.

BUGS

The logarithmic functions clog and the power functions cpow are not implemented.
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