njInvertSqrt | Japanese
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Returns the inverse square root.

### FORMAT

      #include <Ninja.h>
      Float njInvertSqrt( n )
      Float n

### PARAMETERS

n
  arbitrary real number

### RETURN VALUE

  Inverse square root

### FUNCTION

- Determines the inverse square root (1/square root) of arbitrary real number n and returns the value found as the result.

### EXAMPLE

      ans = njInvertSqrt( -3.14159265f );
      % Result %
      ans = -0.564190

### NOTES

- If arbitrary real number n is negative, the negative value of the inverse square root of the absolute value of n is returned.

### RELATED TOPICS

  njSqrt

njInvertSqrt |
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