tanf

Applicability

Function Usage

Obtains the tangent of the input data.

Prototype

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inline float tanf(float x)

Parameters

Returns

Tangent of the input data.

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

Restrictions

When this API is used, the maximum number of threads cannot exceed 1024. Otherwise, stack overflow may occur.

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.

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#include "simt_api/math_functions.h"

Examples

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