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signbitf Function (fast_math)

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Determines whether the sign of _X is negative

inline int signbitf(
   float _X
) restrict(amp);

Parameters

  • _X
    Floating-point value

Return Value

Returns a nonzero value if and only if the sign of _X is negative

Requirements

Header: amp_math.h

Namespace: Concurrency::fast_math

See Also

Reference

Concurrency::fast_math Namespace