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kolibrios/programs/develop/ktcc/trunk/libc/math/log.asm
Magomed Kostoev (mkostoevr) 71b99beec5 Make libck project self-containing.
git-svn-id: svn://kolibrios.org@7855 a494cfbc-eb01-0410-851d-a64ba20cac60
2020-05-03 08:09:36 +00:00

19 lines
274 B
NASM

format ELF
include '../proc32.inc'
section '.text' executable
public log_ as "log"
log_:
; ln(x) = lg(x)/lg(e).
fld qword[esp+4]
fld1
fxch
fyl2x ;Compute 1*lg(x).
fldl2e ;Load lg(e).
fdivp st1, st0 ;Compute lg(x)/lg(e).
ret