docs: add {frexp,ilogb,ldexp,llogb,logb}bf16 math functions

Signed-off-by: Krishna Pandey <[email protected]>

Author: krishna2803

libc/docs/headers/math/index.rst

@@ -179,7 +179,7 @@ Basic Operations
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
 | fmul             | N/A              | |check|         | |check|                | N/A                  | |check|\*              | N/A                    | 7.12.14.3              | F.10.11                    |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
-| frexp            | |check|          | |check|         | |check|                | |check|              | |check|                |                        | 7.12.6.7               | F.10.3.7                   |
+| frexp            | |check|          | |check|         | |check|                | |check|              | |check|                | |check|                | 7.12.6.7               | F.10.3.7                   |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
 | fromfp           | |check|          | |check|         | |check|                | |check|              | |check|                | |check|                | 7.12.9.10              | F.10.6.10                  |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
@@ -189,21 +189,21 @@ Basic Operations
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
 | getpayload       | |check|          | |check|         | |check|                | |check|              | |check|                | |check|                | F.10.13.1              | N/A                        |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
-| ilogb            | |check|          | |check|         | |check|                | |check|              | |check|                |                        | 7.12.6.8               | F.10.3.8                   |
+| ilogb            | |check|          | |check|         | |check|                | |check|              | |check|                | |check|                | 7.12.6.8               | F.10.3.8                   |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
 | iscanonical      | |check|          | |check|         | |check|                | |check|              | |check|                |                        | 7.12.3.2               | N/A                        |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
 | issignaling      | |check|          | |check|         | |check|                | |check|              | |check|                |                        | 7.12.3.8               | N/A                        |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
-| ldexp            | |check|          | |check|         | |check|                | |check|              | |check|                |                        | 7.12.6.9               | F.10.3.9                   |
+| ldexp            | |check|          | |check|         | |check|                | |check|              | |check|                | |check|                | 7.12.6.9               | F.10.3.9                   |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
-| llogb            | |check|          | |check|         | |check|                | |check|              | |check|                |                        | 7.12.6.10              | F.10.3.10                  |
+| llogb            | |check|          | |check|         | |check|                | |check|              | |check|                | |check|                | 7.12.6.10              | F.10.3.10                  |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
 | llrint           | |check|          | |check|         | |check|                | |check|              | |check|                |                        | 7.12.9.5               | F.10.6.5                   |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
 | llround          | |check|          | |check|         | |check|                | |check|              | |check|                |                        | 7.12.9.7               | F.10.6.7                   |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
-| logb             | |check|          | |check|         | |check|                | |check|              | |check|                |                        | 7.12.6.17              | F.10.3.17                  |
+| logb             | |check|          | |check|         | |check|                | |check|              | |check|                | |check|                | 7.12.6.17              | F.10.3.17                  |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+
 | lrint            | |check|          | |check|         | |check|                | |check|              | |check|                |                        | 7.12.9.5               | F.10.6.5                   |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+------------------------+----------------------------+