Lines Matching refs:PI

83 |--N*PI/2, -32 <= N <= 32, IN A LEADING TERM IN EXT. AND TRAILING
84 |--TERM IN SGL. NOTE THAT PI IS 64-BIT LONG, THUS N*PI/2 IS AT
181 	cmpil		#0x4004BC7E,%d0		| ...|X| < 15 PI?
187 |--THIS IS THE USUAL CASE, |X| <= 15 PI.
190 	fmuld		TWOBYPI,%fp1	| ...X*2/PI
193 	leal		PITBL+0x200,%a1 | ...TABLE OF N*PI/2, N = -32,...,32
292 |--IF |X| > 15PI, WE USE THE GENERAL ARGUMENT REDUCTION.
322 |					;create 2**16383*PI/2
327 |					;PI/2 at FP_SCR3
340 |--ON ENTRY, FP0 IS X, ON RETURN, FP0 IS X REM PI/2, |X| <= PI/4.
361 |--FIND THE REMAINDER OF (R,r) W.R.T.	2**L * (PI/2). L IS SO CHOSEN
362 |--THAT	INT( X * (2/PI) / 2**(L) ) < 2**29.
364 |--CREATE 2**(-L) * (2/PI), SIGN(INARG)*2**(63),
367 	movel		#0x00003FFE,%d2	| ...BIASED EXPO OF 2/PI
368 	subl		%d0,%d2		| ...BIASED EXPO OF 2**(-L)*(2/PI)
372 	movew		%d2,FP_SCR1(%a6)	| ...FP_SCR1 is 2**(-L)*(2/PI)