csqrt-csqrtf-csqrtl.md

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Learn more about: csqrt, csqrtf, csqrtl	csqrt, csqrtf, csqrtl	11/04/2016	csqrt csqrtf csqrtl	msvcrt.dll msvcr80.dll msvcr90.dll msvcr100.dll msvcr100_clr0400.dll msvcr110.dll msvcr110_clr0400.dll msvcr120.dll msvcr120_clr0400.dll ucrtbase.dll api-ms-win-crt-math-l1-1-0.dll	DLLExport	apiref	csqrt csqrtf csqrtl complex/csqrt complex/csqrtf complex/csqrtl	csqrt function csqrtf function csqrtl function	b65f086b-0f55-4622-a7a3-4e79d9c9c05c

csqrt, csqrtf, csqrtl

Retrieves the square root of a complex number, with a branch cut along the negative real axis.

Syntax

_Dcomplex csqrt(
   _Dcomplex z
);
_Fcomplex csqrt(
   _Fcomplex z
);  // C++ only
_Lcomplex csqrt(
   _Lcomplex z
);  // C++ only
_Fcomplex csqrtf(
   _Fcomplex z
);
_Lcomplex csqrtl(
   _Lcomplex z
);

Parameters

z
A complex number.

Return value

The square root of z. The result is in the right half-plane.

Input	SEH exception	_matherr exception
± QNaN, IND	none	_DOMAIN
- INF	none	_DOMAIN

Remarks

Because C++ allows overloading, you can call overloads of csqrt that take and return _Fcomplex and _Lcomplex values. In a C program, csqrt always takes and returns a _Dcomplex value.

Requirements

Routine	C header	C++ header
csqrt, csqrtf, csqrtl	<complex.h>	<ccomplex>

For more compatibility information, see Compatibility.

See also

Alphabetical function reference
catanh, catanhf, catanhl
ctanh, ctanhf, ctanhl
catan, catanf, catanl
csinh, csinhf, csinhl
casinh, casinhf, casinhl
ccosh, ccoshf, ccoshl
cacosh, cacoshf, cacoshl
cacos, cacosf, cacosl
ctan, ctanf, ctanl
csin, csinf, csinl
casin, casinf, casinl
ccos, ccosf, ccosl