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

nextDown

decimal decimal

Returns the previous _decimal value before x.

@IEEECompliant("nextDown", 19)
D
nextDown
(
D
)
(
auto const ref D x
)
if (
isDecimal!D
)

Throws

InvalidOperationException if x is signaling NaN

Special values

xnextDown(x)
NaNNaN
-∞-∞
-max-∞
±0.0-min_normal * epsilon
+∞D.max

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