Forth 2012: FLN

12.6.2.1553

FLN

f-l-n

FLOATING EXT

( F: r₁ -- r₂ ) or ( r₁ -- r₂ )

r₂ is the natural logarithm of r₁. An ambiguous condition exists if r₁ is less than or equal to zero.

Forth 2012
- Forth 2012
Floating-Point word set
Glossary
FLN
- >FLOAT
- D>F
- F!
- F*
- F+
- F-
- F/
- F0<
- F0=
- F<
- F>D
- F@
- FALIGN
- FALIGNED
- FCONSTANT
- FDEPTH
- FDROP
- FDUP
- FLITERAL
- FLOAT+
- FLOATS
- FLOOR
- FMAX
- FMIN
- FNEGATE
- FOVER
- FROT
- FROUND
- FSWAP
- FVARIABLE
- REPRESENT
- DF!
- DF@
- DFALIGN
- DFALIGNED
- DFFIELD:
- DFLOAT+
- DFLOATS
- F**
- F.
- F>S
- FABS
- FACOS
- FACOSH
- FALOG
- FASIN
- FASINH
- FATAN
- FATAN2
- FATANH
- FCOS
- FCOSH
- FE.
- FEXP
- FEXPM1
- FFIELD:
- FLN
- FLNP1
- FLOG
- FS.
- FSIN
- FSINCOS
- FSINH
- FSQRT
- FTAN
- FTANH
- FTRUNC
- FVALUE
- F~
- PRECISION
- S>F
- SET-PRECISION
- SF!
- SF@
- SFALIGN
- SFALIGNED
- SFFIELD:
- SFLOAT+
- SFLOATS