normcdfinvf

Applicability

Function Usage

Obtains the inverse function of the standard normal cumulative distribution of the input data x.

Prototype

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inline float normcdfinvf(float x)

Parameters

Returns

The inverse function of the standard normal cumulative distribution of the input data x.

• If x is 0, the return value is -inf.
• If x is nan, the return value is nan.
• If x is 1, the return value is inf.
• If x∉[0,1], the return value is nan.

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.

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#include "simt_api/math_functions.h"

Examples

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