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findMSB

Name

findMSB — find the index of the most significant bit set to 1 in an integer

Declaration

genIType findMSB( genIType value);
genIType findMSB( genUType value);

Parameters

value

Specifies the value whose bits to scan.

Description

findMSB returns the bit number of the most significant bit that is set to 1 in the binary representation of value. For positive integers, the result will be the bit number of the most significant bit that is set to 1. For negative integers, the result will be the bit number of the most significant bit set to 0. For a value of zero or negative 1, -1 will be returned.

Version Support

OpenGL ES Shading Language Version
Function Name 1.00 3.00 3.10
findMSB - -

See Also

findLSB

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