Return true if the sign bit of number is set.

Synopses

Declared in <bdlb_float.h>

Return true if the sign bit of number is set.

static
bool
signBit(double number);

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Return true if the sign bit of number is set.

static
bool
signBit(float number);

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Return Value

true if the sign bit of number is set, and false otherwise

Parameters

Name

Description

number

floating‐point value to test

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