Return the smallest integral value that is not less than x.

Synopsis

Declared in <bdldfp_decimalutil.h>

static
Decimal32
ceil(Decimal32 x);

Description

Special value handling: * if x is quiet NaN, quiet NaN is returned. * If x is signaling NaN, quiet NaN is returned and the value of the macro EDOM is stored into errno. * if x is +/‐infinity or +/‐0, it is returned unmodified.

Examples: ceil(0.5) ==> 1.0; ceil(‐0.5) ==> 0.0

Return Value

smallest integral value that is not less than x

Parameters

Name

Description

x

value to round toward +infinity

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