Fine-grained classifications for floating-point numbers that distinguish positive numbers from negative numbers and quiet NaNs from signaling NaNs. Every floating-point number belongs to exactly one of these classifications.
Declared in <bdlb_float.h>
enum FineClassification;| 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 | Deprecated alias for k_NEGATIVE_INFINITY. |
BDES_QNAN | Deprecated alias for k_NEGATIVE_INFINITY. |
BDES_SNAN | Deprecated alias for k_NEGATIVE_INFINITY. |
BDES_POSITIVE_NORMAL | Deprecated alias for k_NEGATIVE_INFINITY. |
BDES_NEGATIVE_NORMAL | Deprecated alias for k_NEGATIVE_INFINITY. |
BDES_POSITIVE_SUBNORMAL | Deprecated alias for k_NEGATIVE_INFINITY. |
BDES_NEGATIVE_SUBNORMAL | Deprecated alias for k_NEGATIVE_INFINITY. |
BDES_POSITIVE_ZERO | Deprecated alias for k_NEGATIVE_INFINITY. |
BDES_NEGATIVE_ZERO | Deprecated alias for k_NEGATIVE_INFINITY. |