Reverse-engineering the Intel 8087's tangent algorithm: more than CORDIC

Automated excerpt

The constant ROM holds constants, including the constants used by the CORDIC algorithm. CORDIC became popular, including in scientific calculators, which used decimal CORDIC instead of binary. Conceptually, the code performs 16 CORDIC steps, using 16 stored angles. exponent of the input angle (#1062).

Selected automatically from source text; not independently written or fact-checked. Read the original for full context.