diff options
Diffstat (limited to 'sysdeps/ieee754')
-rw-r--r-- | sysdeps/ieee754/dbl-64/e_j0.c | 20 | ||||
-rw-r--r-- | sysdeps/ieee754/dbl-64/e_j1.c | 21 | ||||
-rw-r--r-- | sysdeps/ieee754/dbl-64/s_erf.c | 48 | ||||
-rw-r--r-- | sysdeps/ieee754/dbl-64/s_expm1.c | 4 | ||||
-rw-r--r-- | sysdeps/ieee754/dbl-64/s_log1p.c | 4 |
5 files changed, 0 insertions, 97 deletions
diff --git a/sysdeps/ieee754/dbl-64/e_j0.c b/sysdeps/ieee754/dbl-64/e_j0.c index d641a09149..ca542756fb 100644 --- a/sysdeps/ieee754/dbl-64/e_j0.c +++ b/sysdeps/ieee754/dbl-64/e_j0.c @@ -116,17 +116,12 @@ __ieee754_j0(double x) else return one - 0.25*x*x; } z = x*x; -#ifdef DO_NOT_USE_THIS - r = z*(R02+z*(R03+z*(R04+z*R05))); - s = one+z*(S01+z*(S02+z*(S03+z*S04))); -#else r1 = z*R[2]; z2=z*z; r2 = R[3]+z*R[4]; z4=z2*z2; r = r1 + z2*r2 + z4*R[5]; s1 = one+z*S[1]; s2 = S[2]+z*S[3]; s = s1 + z2*s2 + z4*S[4]; -#endif if(ix < 0x3FF00000) { /* |x| < 1.00 */ return one + z*(-0.25+(r/s)); } else { @@ -196,10 +191,6 @@ __ieee754_y0(double x) return(U[0] + tpi*__ieee754_log(x)); } z = x*x; -#ifdef DO_NOT_USE_THIS - u = u00+z*(u01+z*(u02+z*(u03+z*(u04+z*(u05+z*u06))))); - v = one+z*(v01+z*(v02+z*(v03+z*v04))); -#else u1 = U[0]+z*U[1]; z2=z*z; u2 = U[2]+z*U[3]; z4=z2*z2; u3 = U[4]+z*U[5]; z6=z4*z2; @@ -207,7 +198,6 @@ __ieee754_y0(double x) v1 = one+z*V[0]; v2 = V[1]+z*V[2]; v = v1 + z2*v2 + z4*V[3]; -#endif return(u/v + tpi*(__ieee754_j0(x)*__ieee754_log(x))); } strong_alias (__ieee754_y0, __y0_finite) @@ -299,10 +289,6 @@ pzero(double x) else if(ix>=0x4006DB6D){p = pR3; q= pS3;} else if(ix>=0x40000000){p = pR2; q= pS2;} z = one/(x*x); -#ifdef DO_NOT_USE_THIS - r = p[0]+z*(p[1]+z*(p[2]+z*(p[3]+z*(p[4]+z*p[5])))); - s = one+z*(q[0]+z*(q[1]+z*(q[2]+z*(q[3]+z*q[4])))); -#else r1 = p[0]+z*p[1]; z2=z*z; r2 = p[2]+z*p[3]; z4=z2*z2; r3 = p[4]+z*p[5]; @@ -311,7 +297,6 @@ pzero(double x) s2 = q[1]+z*q[2]; s3 = q[3]+z*q[4]; s = s1 + z2*s2 + z4*s3; -#endif return one+ r/s; } @@ -407,10 +392,6 @@ qzero(double x) else if(ix>=0x4006DB6D){p = qR3; q= qS3;} else if(ix>=0x40000000){p = qR2; q= qS2;} z = one/(x*x); -#ifdef DO_NOT_USE_THIS - r = p[0]+z*(p[1]+z*(p[2]+z*(p[3]+z*(p[4]+z*p[5])))); - s = one+z*(q[0]+z*(q[1]+z*(q[2]+z*(q[3]+z*(q[4]+z*q[5]))))); -#else r1 = p[0]+z*p[1]; z2=z*z; r2 = p[2]+z*p[3]; z4=z2*z2; r3 = p[4]+z*p[5]; z6=z4*z2; @@ -419,6 +400,5 @@ qzero(double x) s2 = q[1]+z*q[2]; s3 = q[3]+z*q[4]; s = s1 + z2*s2 + z4*s3 +z6*q[5]; -#endif return (-.125 + r/s)/x; } diff --git a/sysdeps/ieee754/dbl-64/e_j1.c b/sysdeps/ieee754/dbl-64/e_j1.c index cca5f20b4f..12d5c40c07 100644 --- a/sysdeps/ieee754/dbl-64/e_j1.c +++ b/sysdeps/ieee754/dbl-64/e_j1.c @@ -116,11 +116,6 @@ __ieee754_j1(double x) if(huge+x>one) return 0.5*x;/* inexact if x!=0 necessary */ } z = x*x; -#ifdef DO_NOT_USE_THIS - r = z*(r00+z*(r01+z*(r02+z*r03))); - s = one+z*(s01+z*(s02+z*(s03+z*(s04+z*s05)))); - r *= x; -#else r1 = z*R[0]; z2=z*z; r2 = R[1]+z*R[2]; z4=z2*z2; r = r1 + z2*r2 + z4*R[3]; @@ -129,7 +124,6 @@ __ieee754_j1(double x) s2 = S[2]+z*S[3]; s3 = S[4]+z*S[5]; s = s1 + z2*s2 + z4*s3; -#endif return(x*0.5+r/s); } strong_alias (__ieee754_j1, __j1_finite) @@ -193,10 +187,6 @@ __ieee754_y1(double x) return(-tpi/x); } z = x*x; -#ifdef DO_NOT_USE_THIS - u = U0[0]+z*(U0[1]+z*(U0[2]+z*(U0[3]+z*U0[4]))); - v = one+z*(V0[0]+z*(V0[1]+z*(V0[2]+z*(V0[3]+z*V0[4])))); -#else u1 = U0[0]+z*U0[1];z2=z*z; u2 = U0[2]+z*U0[3];z4=z2*z2; u = u1 + z2*u2 + z4*U0[4]; @@ -204,7 +194,6 @@ __ieee754_y1(double x) v2 = V0[1]+z*V0[2]; v3 = V0[3]+z*V0[4]; v = v1 + z2*v2 + z4*v3; -#endif return(x*(u/v) + tpi*(__ieee754_j1(x)*__ieee754_log(x)-one/x)); } strong_alias (__ieee754_y1, __y1_finite) @@ -297,10 +286,6 @@ pone(double x) else if(ix>=0x4006DB6D){p = pr3; q= ps3;} else if(ix>=0x40000000){p = pr2; q= ps2;} z = one/(x*x); -#ifdef DO_NOT_USE_THIS - r = p[0]+z*(p[1]+z*(p[2]+z*(p[3]+z*(p[4]+z*p[5])))); - s = one+z*(q[0]+z*(q[1]+z*(q[2]+z*(q[3]+z*q[4])))); -#else r1 = p[0]+z*p[1]; z2=z*z; r2 = p[2]+z*p[3]; z4=z2*z2; r3 = p[4]+z*p[5]; @@ -309,7 +294,6 @@ pone(double x) s2 = q[1]+z*q[2]; s3 = q[3]+z*q[4]; s = s1 + z2*s2 + z4*s3; -#endif return one+ r/s; } @@ -406,10 +390,6 @@ qone(double x) else if(ix>=0x4006DB6D){p = qr3; q= qs3;} else if(ix>=0x40000000){p = qr2; q= qs2;} z = one/(x*x); -#ifdef DO_NOT_USE_THIS - r = p[0]+z*(p[1]+z*(p[2]+z*(p[3]+z*(p[4]+z*p[5])))); - s = one+z*(q[0]+z*(q[1]+z*(q[2]+z*(q[3]+z*(q[4]+z*q[5]))))); -#else r1 = p[0]+z*p[1]; z2=z*z; r2 = p[2]+z*p[3]; z4=z2*z2; r3 = p[4]+z*p[5]; z6=z4*z2; @@ -418,6 +398,5 @@ qone(double x) s2 = q[1]+z*q[2]; s3 = q[3]+z*q[4]; s = s1 + z2*s2 + z4*s3 + z6*q[5]; -#endif return (.375 + r/s)/x; } diff --git a/sysdeps/ieee754/dbl-64/s_erf.c b/sysdeps/ieee754/dbl-64/s_erf.c index e25e28d9d5..0cf408c03c 100644 --- a/sysdeps/ieee754/dbl-64/s_erf.c +++ b/sysdeps/ieee754/dbl-64/s_erf.c @@ -209,10 +209,6 @@ double __erf(double x) return x + efx*x; } z = x*x; -#ifdef DO_NOT_USE_THIS - r = pp0+z*(pp1+z*(pp2+z*(pp3+z*pp4))); - s = one+z*(qq1+z*(qq2+z*(qq3+z*(qq4+z*qq5)))); -#else r1 = pp[0]+z*pp[1]; z2=z*z; r2 = pp[2]+z*pp[3]; z4=z2*z2; s1 = one+z*qq[1]; @@ -220,17 +216,12 @@ double __erf(double x) s3 = qq[4]+z*qq[5]; r = r1 + z2*r2 + z4*pp[4]; s = s1 + z2*s2 + z4*s3; -#endif y = r/s; return x + x*y; } if(ix < 0x3ff40000) { /* 0.84375 <= |x| < 1.25 */ double s2,s4,s6,P1,P2,P3,P4,Q1,Q2,Q3,Q4; s = fabs(x)-one; -#ifdef DO_NOT_USE_THIS - P = pa0+s*(pa1+s*(pa2+s*(pa3+s*(pa4+s*(pa5+s*pa6))))); - Q = one+s*(qa1+s*(qa2+s*(qa3+s*(qa4+s*(qa5+s*qa6))))); -#else P1 = pa[0]+s*pa[1]; s2=s*s; Q1 = one+s*qa[1]; s4=s2*s2; P2 = pa[2]+s*pa[3]; s6=s4*s2; @@ -241,7 +232,6 @@ double __erf(double x) Q4 = qa[6]; P = P1 + s2*P2 + s4*P3 + s6*P4; Q = Q1 + s2*Q2 + s4*Q3 + s6*Q4; -#endif if(hx>=0) return erx + P/Q; else return -erx - P/Q; } if (ix >= 0x40180000) { /* inf>|x|>=6 */ @@ -250,12 +240,6 @@ double __erf(double x) x = fabs(x); s = one/(x*x); if(ix< 0x4006DB6E) { /* |x| < 1/0.35 */ -#ifdef DO_NOT_USE_THIS - R=ra0+s*(ra1+s*(ra2+s*(ra3+s*(ra4+s*( - ra5+s*(ra6+s*ra7)))))); - S=one+s*(sa1+s*(sa2+s*(sa3+s*(sa4+s*( - sa5+s*(sa6+s*(sa7+s*sa8))))))); -#else double R1,R2,R3,R4,S1,S2,S3,S4,s2,s4,s6,s8; R1 = ra[0]+s*ra[1];s2 = s*s; S1 = one+s*sa[1]; s4 = s2*s2; @@ -267,14 +251,7 @@ double __erf(double x) S4 = sa[6]+s*sa[7]; R = R1 + s2*R2 + s4*R3 + s6*R4; S = S1 + s2*S2 + s4*S3 + s6*S4 + s8*sa[8]; -#endif } else { /* |x| >= 1/0.35 */ -#ifdef DO_NOT_USE_THIS - R=rb0+s*(rb1+s*(rb2+s*(rb3+s*(rb4+s*( - rb5+s*rb6))))); - S=one+s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*( - sb5+s*(sb6+s*sb7)))))); -#else double R1,R2,R3,S1,S2,S3,S4,s2,s4,s6; R1 = rb[0]+s*rb[1];s2 = s*s; S1 = one+s*sb[1]; s4 = s2*s2; @@ -285,7 +262,6 @@ double __erf(double x) S4 = sb[6]+s*sb[7]; R = R1 + s2*R2 + s4*R3 + s6*rb[6]; S = S1 + s2*S2 + s4*S3 + s6*S4; -#endif } z = x; SET_LOW_WORD(z,0); @@ -314,10 +290,6 @@ double __erfc(double x) if(ix < 0x3c700000) /* |x|<2**-56 */ return one-x; z = x*x; -#ifdef DO_NOT_USE_THIS - r = pp0+z*(pp1+z*(pp2+z*(pp3+z*pp4))); - s = one+z*(qq1+z*(qq2+z*(qq3+z*(qq4+z*qq5)))); -#else r1 = pp[0]+z*pp[1]; z2=z*z; r2 = pp[2]+z*pp[3]; z4=z2*z2; s1 = one+z*qq[1]; @@ -325,7 +297,6 @@ double __erfc(double x) s3 = qq[4]+z*qq[5]; r = r1 + z2*r2 + z4*pp[4]; s = s1 + z2*s2 + z4*s3; -#endif y = r/s; if(hx < 0x3fd00000) { /* x<1/4 */ return one-(x+x*y); @@ -338,10 +309,6 @@ double __erfc(double x) if(ix < 0x3ff40000) { /* 0.84375 <= |x| < 1.25 */ double s2,s4,s6,P1,P2,P3,P4,Q1,Q2,Q3,Q4; s = fabs(x)-one; -#ifdef DO_NOT_USE_THIS - P = pa0+s*(pa1+s*(pa2+s*(pa3+s*(pa4+s*(pa5+s*pa6))))); - Q = one+s*(qa1+s*(qa2+s*(qa3+s*(qa4+s*(qa5+s*qa6))))); -#else P1 = pa[0]+s*pa[1]; s2=s*s; Q1 = one+s*qa[1]; s4=s2*s2; P2 = pa[2]+s*pa[3]; s6=s4*s2; @@ -352,7 +319,6 @@ double __erfc(double x) Q4 = qa[6]; P = P1 + s2*P2 + s4*P3 + s6*P4; Q = Q1 + s2*Q2 + s4*Q3 + s6*Q4; -#endif if(hx>=0) { z = one-erx; return z - P/Q; } else { @@ -363,12 +329,6 @@ double __erfc(double x) x = fabs(x); s = one/(x*x); if(ix< 0x4006DB6D) { /* |x| < 1/.35 ~ 2.857143*/ -#ifdef DO_NOT_USE_THIS - R=ra0+s*(ra1+s*(ra2+s*(ra3+s*(ra4+s*( - ra5+s*(ra6+s*ra7)))))); - S=one+s*(sa1+s*(sa2+s*(sa3+s*(sa4+s*( - sa5+s*(sa6+s*(sa7+s*sa8))))))); -#else double R1,R2,R3,R4,S1,S2,S3,S4,s2,s4,s6,s8; R1 = ra[0]+s*ra[1];s2 = s*s; S1 = one+s*sa[1]; s4 = s2*s2; @@ -380,16 +340,9 @@ double __erfc(double x) S4 = sa[6]+s*sa[7]; R = R1 + s2*R2 + s4*R3 + s6*R4; S = S1 + s2*S2 + s4*S3 + s6*S4 + s8*sa[8]; -#endif } else { /* |x| >= 1/.35 ~ 2.857143 */ double R1,R2,R3,S1,S2,S3,S4,s2,s4,s6; if(hx<0&&ix>=0x40180000) return two-tiny;/* x < -6 */ -#ifdef DO_NOT_USE_THIS - R=rb0+s*(rb1+s*(rb2+s*(rb3+s*(rb4+s*( - rb5+s*rb6))))); - S=one+s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*( - sb5+s*(sb6+s*sb7)))))); -#else R1 = rb[0]+s*rb[1];s2 = s*s; S1 = one+s*sb[1]; s4 = s2*s2; R2 = rb[2]+s*rb[3];s6 = s4*s2; @@ -399,7 +352,6 @@ double __erfc(double x) S4 = sb[6]+s*sb[7]; R = R1 + s2*R2 + s4*R3 + s6*rb[6]; S = S1 + s2*S2 + s4*S3 + s6*S4; -#endif } z = x; SET_LOW_WORD(z,0); diff --git a/sysdeps/ieee754/dbl-64/s_expm1.c b/sysdeps/ieee754/dbl-64/s_expm1.c index 1a4bcd979a..87da7eb7e6 100644 --- a/sysdeps/ieee754/dbl-64/s_expm1.c +++ b/sysdeps/ieee754/dbl-64/s_expm1.c @@ -184,14 +184,10 @@ __expm1(double x) /* x is now in primary range */ hfx = 0.5*x; hxs = x*hfx; -#ifdef DO_NOT_USE_THIS - r1 = one+hxs*(Q1+hxs*(Q2+hxs*(Q3+hxs*(Q4+hxs*Q5)))); -#else R1 = one+hxs*Q[1]; h2 = hxs*hxs; R2 = Q[2]+hxs*Q[3]; h4 = h2*h2; R3 = Q[4]+hxs*Q[5]; r1 = R1 + h2*R2 + h4*R3; -#endif t = 3.0-r1*hfx; e = hxs*((r1-t)/(6.0 - x*t)); if(k==0) return x - (x*e-hxs); /* c is 0 */ diff --git a/sysdeps/ieee754/dbl-64/s_log1p.c b/sysdeps/ieee754/dbl-64/s_log1p.c index e3e6860966..0c6f76371a 100644 --- a/sysdeps/ieee754/dbl-64/s_log1p.c +++ b/sysdeps/ieee754/dbl-64/s_log1p.c @@ -156,15 +156,11 @@ __log1p(double x) } s = f/(2.0+f); z = s*s; -#ifdef DO_NOT_USE_THIS - R = z*(Lp1+z*(Lp2+z*(Lp3+z*(Lp4+z*(Lp5+z*(Lp6+z*Lp7)))))); -#else R1 = z*Lp[1]; z2=z*z; R2 = Lp[2]+z*Lp[3]; z4=z2*z2; R3 = Lp[4]+z*Lp[5]; z6=z4*z2; R4 = Lp[6]+z*Lp[7]; R = R1 + z2*R2 + z4*R3 + z6*R4; -#endif if(k==0) return f-(hfsq-s*(hfsq+R)); else return k*ln2_hi-((hfsq-(s*(hfsq+R)+(k*ln2_lo+c)))-f); } |