decimal ~master (2019-09-04T08:37:36Z)

log2

decimal decimal

Calculates log2x.

@IEEECompliant("log2", 42)
D
log2
(
D
)
(
auto const ref D x
)
if (
isDecimal!D
)

Throws

InvalidOperationExceptionx is signaling NaN or x < 0
DivisionByZerox is ±0.0
Underflowresult is too small to be represented
InexactExceptionthe result is inexact

Special values

xlog(x)
NaNNaN
±0.0-∞
-∞NaN
+∞+∞
+2.0+1.0
< 0.0NaN

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