rcbrtf

Applicability

Function Usage

Obtains the reciprocal of the cube root of the input data x.

Prototype

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inline float rcbrtf(float x)

Parameters

Returns

Reciprocal of the cube root of x.

• If x is 0, the return value is inf.
• If x is nan, the return value is nan.
• If x is inf, the return value is 0.
• If x is -inf, the return value is 0.

Restrictions

For SIMT programming, this API is not supported.

Header File to Be Included

To use this API, the simt_api/math_functions.h header file must be included.

1

#include "simt_api/math_functions.h"

Examples

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__simt_vf__ __launch_bounds__(1024) inline void KernelRcbrt(__gm__ float* x, __gm__ float* y)
{
    int idx = threadIdx.x + blockIdx.x * blockDim.x;
    y[idx] = rcbrtf(x[idx]);
}