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[Default]

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This option converts divisions of floating-point constants into multiplications of the corresponding reciprocals as constants.

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To be specific, when there is an expression of (variable divisor) with the divisor being a constant, a code with the expression converted into (variable reciprocal of divisor) will be generated.

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When this option is specified, the execution performance of floating-point constant division will be improved. The precision and order of operations may, however, be changed, so take care on this point.