BloombergLP::bdlb::Float::FineClassification

Fine‐grained classifications for floating‐point numbers.

Synopsis

Declared in <bdlb_float.h>

enum FineClassification;

Description

These classifications distinguish positive numbers from negative numbers and quiet NaNs from signaling NaNs. Every floating‐point number belongs to exactly one of these classifications.

Members

Name

Description

k_NEGATIVE

Bit flag indicating a negative floating‐point value.

k_SIGNALING

Bit flag indicating a signaling NaN.

k_POSITIVE_INFINITY

Bit flag indicating a signaling NaN.

k_NEGATIVE_INFINITY

Negative infinity classification.

k_QNAN

Quiet NaN classification.

k_SNAN

Quiet NaN classification.

k_POSITIVE_NORMAL

Quiet NaN classification.

k_NEGATIVE_NORMAL

Quiet NaN classification.

k_POSITIVE_SUBNORMAL

Quiet NaN classification.

k_NEGATIVE_SUBNORMAL

Quiet NaN classification.

k_POSITIVE_ZERO

Quiet NaN classification.

k_NEGATIVE_ZERO

Quiet NaN classification.

BDES_NEGATIVE

Deprecated alias for k_NEGATIVE.

BDES_SIGNALING

Deprecated alias for k_SIGNALING.

BDES_POSITIVE_INFINITY

Deprecated alias for k_POSITIVE_INFINITY.

BDES_NEGATIVE_INFINITY