comparison src/share/vm/runtime/sharedRuntimeTrig.cpp @ 14411:bdd155477289

8023033: PPC64 (part 13): basic changes for AIX Summary: Added AIX includes alpha-sorted before BSD. Fix compilation issues with xlC in shared code. Basic shared platform dependend adaption (vm_version etc.). Reviewed-by: kvn, dholmes, stefank
author goetz
date Thu, 22 Aug 2013 09:39:54 -0700
parents f95d63e2154a
children 8a9bb7821e28 631c3a4ea10c
comparison
equal deleted inserted replaced
14410:f42f2e2a1518 14411:bdd155477289
656 C5 = 2.08757232129817482790e-09, /* 0x3E21EE9E, 0xBDB4B1C4 */ 656 C5 = 2.08757232129817482790e-09, /* 0x3E21EE9E, 0xBDB4B1C4 */
657 C6 = -1.13596475577881948265e-11; /* 0xBDA8FAE9, 0xBE8838D4 */ 657 C6 = -1.13596475577881948265e-11; /* 0xBDA8FAE9, 0xBE8838D4 */
658 658
659 static double __kernel_cos(double x, double y) 659 static double __kernel_cos(double x, double y)
660 { 660 {
661 double a,hz,z,r,qx; 661 double a,h,z,r,qx;
662 int ix; 662 int ix;
663 ix = __HI(x)&0x7fffffff; /* ix = |x|'s high word*/ 663 ix = __HI(x)&0x7fffffff; /* ix = |x|'s high word*/
664 if(ix<0x3e400000) { /* if x < 2**27 */ 664 if(ix<0x3e400000) { /* if x < 2**27 */
665 if(((int)x)==0) return one; /* generate inexact */ 665 if(((int)x)==0) return one; /* generate inexact */
666 } 666 }
673 qx = 0.28125; 673 qx = 0.28125;
674 } else { 674 } else {
675 __HI(qx) = ix-0x00200000; /* x/4 */ 675 __HI(qx) = ix-0x00200000; /* x/4 */
676 __LO(qx) = 0; 676 __LO(qx) = 0;
677 } 677 }
678 hz = 0.5*z-qx; 678 h = 0.5*z-qx;
679 a = one-qx; 679 a = one-qx;
680 return a - (hz - (z*r-x*y)); 680 return a - (h - (z*r-x*y));
681 } 681 }
682 } 682 }
683 683
684 /* __kernel_tan( x, y, k ) 684 /* __kernel_tan( x, y, k )
685 * kernel tan function on [-pi/4, pi/4], pi/4 ~ 0.7854 685 * kernel tan function on [-pi/4, pi/4], pi/4 ~ 0.7854