norm, normf, norml
Visual Studio 2015
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The latest version of this topic can be found at norm, normf, norml1.
Retrieves the squared magnitude of a complex number.
double norm( _Dcomplex z ); float norm( _Fcomplex z ); // C++ only long double norm( _Lcomplex z ); // C++ only float normf( _Fcomplex z ); long double norml( _Lcomplex z );
Parameters
z
A complex number.
The squared magnitude of z.
Because C++ allows overloading, you can call overloads of norm that take _Fcomplex or _Lcomplex values, and return float or long double values. In a C program, norm always takes a _Dcomplex value and returns a double value.
| Routine | C header | C++ header |
|---|---|---|
norm, normf, norml | <complex.h> | <ccomplex> |
For more compatibility information, see Compatibility in the Introduction.
Alphabetical Function Reference
creal, crealf, creall
cproj, cprojf, cprojl
conj, conjf, conjl
cimag, cimagf, cimagl
carg, cargf, cargl
cabs, cabsf, cabsl
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