fdimf

Applicability

Function Usage

Obtains the difference between two inputs. If the difference is less than 0, 0 is returned.

Prototype

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inline float fdimf(float x, float y)

Parameters

Returns

The difference between two inputs. If the difference is less than 0, 0 is returned.

• If either x or y is nan, the return value is nan.
• If x is inf and y is -inf, the return value is inf.
• If x is -inf and y is inf, the return value is 0.
• If x is inf and y 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.

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#include "simt_api/math_functions.h"

Examples

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