Rsqrtdp

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Detailed Description

Functions
double	rsqrtdp (double a)
double	rsqrtdp_c (double a)

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Function Documentation

double rsqrtdp

(

double

a

)

Description:

The rsqrtdp function returns the reciprocal square root function of a real floating-point argument a. The return value is the reciprocal value of the square root of a.

Parameters:

[in]

a

= Input double

Returns:

Resultant double

Special Cases:

• If a <= 0, the return value is 8.99E307 for C/Inline/Vector and rsqrt(|a|) for Asm.

See also:

• rsqrtdp_i
• rsqrtdp_v

Implementation Notes:

• The code supports both big and little endian modes.

double rsqrtdp_c

(

double

a

)

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