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cbrt, cbrtf, cbrtl

Visual Studio 2013

Calculates the cube root.

double cbrt(
   double x 
);
float cbrt(
   float x 
);  // C++ only
long double cbrt(
   long double x
);  // C++ only
float cbrtf(
   float x 
);
long double cbrtl(
   long double x
);

x

Floating-point value

The cbrt functions return the cube-root of x.

Input

SEH Exception

_matherr Exception

± ∞, QNAN, IND

none

none

Because C++ allows overloading, you can call overloads of cbrt that take float or long double types. In a C program, cbrt always takes and returns double.

Function

C header

C++ header

cbrt, cbrtf, cbrtl

<math.h>

<cmath>

For additional compatibility information, see Compatibility.

// crt_cbrt.c
// Compile using: cl /W4 crt_cbrt.c
// This program calculates a cube root.

#include <math.h>
#include <stdio.h>

int main( void )
{
   double question = -64.64;
   double answer;

   answer = cbrt(question);
   printf("The cube root of %.2f is %.6f\n", question, answer);
}
The cube root of -64.64 is -4.013289

Not applicable. To call the standard C function, use PInvoke. For more information, see Platform Invoke Examples.

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