Files
KOS_qrcodes/programs/develop/libraries/menuetlibc/src/libm/s_tan.s
right-hearted 6496d04506 Adding menuetlibc back to its place in /programs/develop/libraries
This version of menuetlibc was taken from revision 4743, right before I made any changes

git-svn-id: svn://kolibrios.org@4973 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-06-12 10:43:21 +00:00

21 lines
230 B
ArmAsm

#include<libc/asm.h>
MK_C_SYM(tan)
fldl 4(%esp)
fptan
fnstsw %ax
andw $0x400,%ax
jnz 1f
fstp %st(0)
ret
1: fldpi
fadd %st(0)
fxch %st(1)
2: fprem1
fstsw %ax
andw $0x400,%ax
jnz 2b
fstp %st(1)
fptan
fstp %st(0)
ret