+ .data
+ .align 2
+_twoopi:.long 0x4022F983, 0x6E4E4415 # .double .63661977236758134
+ .align 2
+_p0:.long 0x40C90FDA, 0x90304197 # .double 1.57079631844
+ .align 2
+_p1:.long 0xC0255DE0, 0xB36CEE75 # .double -.645963710599
+ .align 2
+_p2:.long 0x3EA33457, 0xA736E807 # .double .079689678945999999
+ .align 2
+_p3:.long 0xBC992665, 0x5E9A6554 # .double -.0046737666099999999
+ .align 2
+_p4:.long 0x3A1ED7FA, 0xCC54924E # .double .000151485129
+ .text
+LL0: .align 1
+ .globl _Kcosf
+ .set L18,0x0
+ .data
+ .text
+_Kcosf: .word L18
+ tstl 4(fp) # if (arg < 0)
+ jgeq L23
+ lnd 4(fp)
+ std 4(fp) # arg = -arg;
+L23: pushl 20(fp) # hfs
+ pushl $1
+ pushl 8(fp)
+ pushl 4(fp)
+ callf $20,_sinus
+ ret # return(sinus(arg,1));
+
+ .align 1
+ .globl _Ksinf
+ .set L25,0x0
+ .data
+ .text
+ .data
+ .align 2
+L36: .long 0x47FFF800, 0x00000000 # .double 32764
+ .text
+ .data
+ .align 2
+L37: .long 0x3F800000, 0x00000000 # .double .25
+ .text
+ .data
+ .align 2
+L38: .long 0x41800000, 0x00000000 # .double 4
+ .text
+ .data
+ .align 2
+L41: .long 0x40800000, 0x00000000 # .double 1
+ .text
+ .set L29,0x0
+ .data
+ .text
+_Ksinf: .word L25
+ pushl 20(fp) # hfs
+ pushl $0
+ pushl 8(fp)
+ pushl 4(fp)
+ callf $20,_sinus
+ ret # return(sinus(arg, 0));
+
+ .align 1
+_sinus: .word L29
+ subl3 $112,fp,sp
+ movl 8(fp),-80(fp)
+ movl 4(fp),-84(fp) # x = arg;
+ jgeq L34 # if (x < 0) {
+ lnd -84(fp)
+ std -84(fp) # x = -x;
+ addl2 $2,12(fp) # quad = quad + 2;}
+L34: pushl 16(fp)
+ ldd _twoopi
+ pushd
+ ldd -84(fp)
+ pushd
+ callf $24,_Kmuld
+ movl r1,-88(fp)
+ movl r0,-84(fp) # std -84(fp) x = x * twoopi;
+ cmpd2 -84(fp),L36 # if (x > 32764) {
+ jleq L35
+ pushl 16(fp) # hfs
+ subl3 $60,fp,-(sp) # &e
+ pushl -80(fp)
+ pushl -84(fp) # x
+ callf $20,_Kmodf
+ clrl -92+4(fp)
+ movl r0,-92(fp) # y = modf(x, &e);
+ pushl 16(fp) # hfs
+ pushl $0
+ pushl 12(fp) # quad
+ pushl $0
+ pushl $0 # dummy acc
+ callf $24,_Kcvtld
+ pushl 16(fp) # hfs
+ pushl r1
+ pushl r0 # pushd (double)quad
+ ldd -60(fp)
+ pushd # &e
+ callf $24,_Kaddd
+ movl r1,-56(fp)
+ movl r0,-60(fp) # std -60(fp) e = e + quad;
+ pushl 16(fp) # hfs
+ subl3 $68,fp,-(sp) # &f
+
+ pushl 16(fp) # hfs
+ ldd -60(fp)
+ pushd # &e
+ ldd L37
+ pushd # 0.25
+ callf $24,_Kmuld
+
+ pushl r1
+ pushl r0 # pushd 0.25 * e
+ callf $20,_Kmodf # modf(0.25 * e, &f);
+
+ pushl 16(fp) # hfs
+ movl r1,-64(fp)
+ movl r0,-68(fp) # ldd -68(fp) &f
+ pushl r1
+ pushl r0 # pushd
+ ldd L38
+ pushd
+ callf $24,_Kmuld # 4*f
+ # std r0
+ pushl 16(fp) # hfs
+ pushl r1
+ pushl r0 # pushd
+ ldd -60(fp)
+ pushd
+ callf $24,_Ksubd # e - 4 * f
+ ldd r0 # load acc with result of Ksubd
+ cvdl 12(fp) # quad = (e - 4 * f); }
+ jbr L39
+L35: ldd -84(fp) # else {
+ cvdl -96(fp) # k = x;
+ pushl 16(fp) # hfs
+ pushl $0
+ pushl -96(fp)
+ pushl $0
+ pushl $0 # acc
+ callf $24,_Kcvtld
+ # std r0
+ pushl 16(fp) # hfs
+ pushl r1
+ pushl r0 # pushd (double)k
+ ldd -84(fp)
+ pushd # x
+ callf $24,_Ksubd
+ movl r1,-88(fp)
+ movl r0,-92(fp) # std -92(fp) y = x - k;
+ addl3 -96(fp),12(fp),r0
+ andl3 $3,r0,12(fp) # quad = (quad + k) & 03; }
+L39: bitl $1,12(fp) # if (quad & 01)
+ jeql L40
+ pushl 16(fp) # hfs
+ ldd -92(fp)
+ pushd # y
+ ldd L41
+ pushd # 1.0
+ callf $24,_Ksubd
+ movl r1,-88(fp)
+ movl r0,-92(fp) # std -92(fp) y = 1 - y;
+L40: cmpl 12(fp),$1 # if (quad > 1)
+ jleq L42
+ lnd -92(fp)
+ std -92(fp) # y = -y;
+L42: pushl 16(fp) # hfs
+ ldd -92(fp)
+ pushd
+ pushd
+ callf $24,_Kmuld # y*y
+ movl r1,-72(fp)
+ movl r0,-76(fp) # std -76(fp) ysq=y*y;
+
+ pushl 16(fp) # hfs
+ ldd -76(fp)
+ pushd
+ ldd _p4
+ pushd
+ callf $24,_Kmuld # p4*ysq
+
+ pushl 16(fp) # hfs
+ pushl _p3+4
+ pushl _p3
+ pushl r1
+ pushl r0 # pushd
+ callf $24,_Kaddd # p4*ysq+p3
+
+ pushl 16(fp) # hfs
+ pushl -72(fp)
+ pushl -76(fp)
+ pushl r1
+ pushl r0 # pushd
+ callf $24,_Kmuld # (p4*ysq+p3)*ysq
+
+ pushl 16(fp) # hfs
+ pushl _p2+4
+ pushl _p2
+ pushl r1
+ pushl r0 # pushd
+ callf $24,_Kaddd # (p4*ysq+p3)*ysq+p2
+
+ pushl 16(fp) # hfs
+ pushl -72(fp)
+ pushl -76(fp)
+ pushl r1
+ pushl r0 # pushd
+ callf $24,_Kmuld # ((p4*ysq+p3)*ysq+p2)*ysq
+
+ pushl 16(fp) # hfs
+ pushl _p1+4
+ pushl _p1
+ pushl r1
+ pushl r0 # pushd
+ callf $24,_Kaddd # ((p4*ysq+p3)*ysq+p2)*ysq+p1
+
+ pushl 16(fp) # hfs
+ pushl -72(fp)
+ pushl -76(fp)
+ pushl r1
+ pushl r0 # pushd
+ callf $24,_Kmuld # (((p4*ysq+p3)*ysq+p2)*ysq+p1)*ysq
+
+ pushl 16(fp) # hfs
+ pushl _p0+4
+ pushl _p0
+ pushl r1
+ pushl r0 # pushd
+ callf $24,_Kaddd # (((p4*ysq+p3)*ysq+p2)*ysq+p1)*ysq+p0
+
+ pushl 16(fp) # hfs
+ pushl -88(fp)
+ pushl -92(fp)
+ pushl r1
+ pushl r0 # pushd
+ callf $24,_Kmuld # ((((p4*ysq+p3)*ysq+p2)*ysq+p1)*ysq+p0)*y;
+
+ movl r1,-100(fp)
+ movl r0,-104(fp) # std -104(fp) temp1
+ ldd r0
+ cvdf
+ stf r0
+ ret#1
projects / unix-history / commitdiff