diff options
Diffstat (limited to 'sysdeps/libm-ieee754')
-rw-r--r-- | sysdeps/libm-ieee754/e_asin.c | 21 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/e_asinf.c | 17 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/e_atan2l.c | 4 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/e_remainderl.c | 4 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_ceill.c | 4 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_floorl.c | 3 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_llrint.c | 14 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_llrintf.c | 2 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_llrintl.c | 4 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_llround.c | 9 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_llroundf.c | 4 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_llroundl.c | 9 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_lrint.c | 4 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_lrintf.c | 2 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_lrintl.c | 2 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_lround.c | 2 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_lroundf.c | 2 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_lroundl.c | 2 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_scalblnl.c | 2 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_scalbnl.c | 2 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_sincosl.c | 2 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_tanl.c | 2 |
22 files changed, 63 insertions, 54 deletions
diff --git a/sysdeps/libm-ieee754/e_asin.c b/sysdeps/libm-ieee754/e_asin.c index b62a1c9..09d06a9 100644 --- a/sysdeps/libm-ieee754/e_asin.c +++ b/sysdeps/libm-ieee754/e_asin.c @@ -5,7 +5,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -15,12 +15,12 @@ static char rcsid[] = "$NetBSD: e_asin.c,v 1.9 1995/05/12 04:57:22 jtc Exp $"; #endif /* __ieee754_asin(x) - * Method : + * Method : * Since asin(x) = x + x^3/6 + x^5*3/40 + x^7*15/336 + ... * we approximate asin(x) on [0,0.5] by * asin(x) = x + x*x^2*R(x^2) * where - * R(x^2) is a rational approximation of (asin(x)-x)/x^3 + * R(x^2) is a rational approximation of (asin(x)-x)/x^3 * and its remez error is bounded by * |(asin(x)-x)/x^3 - R(x^2)| < 2^(-58.75) * @@ -49,9 +49,9 @@ static char rcsid[] = "$NetBSD: e_asin.c,v 1.9 1995/05/12 04:57:22 jtc Exp $"; #include "math_private.h" #ifdef __STDC__ -static const double +static const double #else -static double +static double #endif one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */ huge = 1.000e+300, @@ -86,17 +86,18 @@ qS4 = 7.70381505559019352791e-02; /* 0x3FB3B8C5, 0xB12E9282 */ GET_LOW_WORD(lx,x); if(((ix-0x3ff00000)|lx)==0) /* asin(1)=+-pi/2 with inexact */ - return x*pio2_hi+x*pio2_lo; - return (x-x)/(x-x); /* asin(|x|>1) is NaN */ + return x*pio2_hi+x*pio2_lo; + return (x-x)/(x-x); /* asin(|x|>1) is NaN */ } else if (ix<0x3fe00000) { /* |x|<0.5 */ if(ix<0x3e400000) { /* if |x| < 2**-27 */ if(huge+x>one) return x;/* return x with inexact if x!=0*/ - } else + } else { t = x*x; p = t*(pS0+t*(pS1+t*(pS2+t*(pS3+t*(pS4+t*pS5))))); q = one+t*(qS1+t*(qS2+t*(qS3+t*qS4))); w = p/q; return x+x*w; + } } /* 1> |x|>= 0.5 */ w = one-fabs(x); @@ -115,6 +116,6 @@ qS4 = 7.70381505559019352791e-02; /* 0x3FB3B8C5, 0xB12E9282 */ p = 2.0*s*r-(pio2_lo-2.0*c); q = pio4_hi-2.0*w; t = pio4_hi-(p-q); - } - if(hx>0) return t; else return -t; + } + if(hx>0) return t; else return -t; } diff --git a/sysdeps/libm-ieee754/e_asinf.c b/sysdeps/libm-ieee754/e_asinf.c index 21157d8..5270f31 100644 --- a/sysdeps/libm-ieee754/e_asinf.c +++ b/sysdeps/libm-ieee754/e_asinf.c @@ -8,7 +8,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -21,9 +21,9 @@ static char rcsid[] = "$NetBSD: e_asinf.c,v 1.5 1995/05/12 04:57:25 jtc Exp $"; #include "math_private.h" #ifdef __STDC__ -static const float +static const float #else -static float +static float #endif one = 1.0000000000e+00, /* 0x3F800000 */ huge = 1.000e+30, @@ -55,18 +55,19 @@ qS4 = 7.7038154006e-02; /* 0x3d9dc62e */ ix = hx&0x7fffffff; if(ix==0x3f800000) { /* asin(1)=+-pi/2 with inexact */ - return x*pio2_hi+x*pio2_lo; + return x*pio2_hi+x*pio2_lo; } else if(ix> 0x3f800000) { /* |x|>= 1 */ - return (x-x)/(x-x); /* asin(|x|>1) is NaN */ + return (x-x)/(x-x); /* asin(|x|>1) is NaN */ } else if (ix<0x3f000000) { /* |x|<0.5 */ if(ix<0x32000000) { /* if |x| < 2**-27 */ if(huge+x>one) return x;/* return x with inexact if x!=0*/ - } else + } else { t = x*x; p = t*(pS0+t*(pS1+t*(pS2+t*(pS3+t*(pS4+t*pS5))))); q = one+t*(qS1+t*(qS2+t*(qS3+t*qS4))); w = p/q; return x+x*w; + } } /* 1> |x|>= 0.5 */ w = one-fabsf(x); @@ -87,6 +88,6 @@ qS4 = 7.7038154006e-02; /* 0x3d9dc62e */ p = (float)2.0*s*r-(pio2_lo-(float)2.0*c); q = pio4_hi-(float)2.0*w; t = pio4_hi-(p-q); - } - if(hx>0) return t; else return -t; + } + if(hx>0) return t; else return -t; } diff --git a/sysdeps/libm-ieee754/e_atan2l.c b/sysdeps/libm-ieee754/e_atan2l.c index 72d3eac..aff7a3d 100644 --- a/sysdeps/libm-ieee754/e_atan2l.c +++ b/sysdeps/libm-ieee754/e_atan2l.c @@ -71,10 +71,10 @@ pi_lo = -5.01655761266833202345176e-20L;/* 0xBFBE, 0xECE675D1, 0xFC8F8CBB */ int32_t k,m,hx,hy,ix,iy; u_int32_t sx,sy,lx,ly; - EXTRACT_LDOUBLE_WORDS(sx,hx,lx,x); + GET_LDOUBLE_WORDS(sx,hx,lx,x); ix = sx&0x7fff; lx |= hx & 0x7fffffff; - EXTRACT_LDOUBLE_WORDS(sy,hy,ly,y); + GET_LDOUBLE_WORDS(sy,hy,ly,y); iy = sy&0x7fff; ly |= hy & 0x7fffffff; if(((2*ix|((lx|-lx)>>31))>0xfffe)|| diff --git a/sysdeps/libm-ieee754/e_remainderl.c b/sysdeps/libm-ieee754/e_remainderl.c index 3b2cd7c..e721a6e 100644 --- a/sysdeps/libm-ieee754/e_remainderl.c +++ b/sysdeps/libm-ieee754/e_remainderl.c @@ -47,8 +47,8 @@ static long double zero = 0.0; u_int32_t sx,sex,sep,x0,x1,p0,p1; long double p_half; - EXTRACT_LDOUBLE_WORDS(sex,x0,x1,x); - EXTRACT_LDOUBLE_WORDS(sep,p0,p1,p); + GET_LDOUBLE_WORDS(sex,x0,x1,x); + GET_LDOUBLE_WORDS(sep,p0,p1,p); sx = sex&0x8000; sep &= 0x7fff; sex &= 0x7fff; diff --git a/sysdeps/libm-ieee754/s_ceill.c b/sysdeps/libm-ieee754/s_ceill.c index 773be32..d53f395 100644 --- a/sysdeps/libm-ieee754/s_ceill.c +++ b/sysdeps/libm-ieee754/s_ceill.c @@ -51,8 +51,8 @@ static long double huge = 1.0e4930; if(j0<31) { if(j0<0) { /* raise inexact if x != 0 */ if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */ - if(sx) {es=0x8000;i0=0;i1=0;} - else if((i0|i1)!=0) { es=0x3fff;i0=0;i1=0;} + if(sx) {se=0x8000;i0=0;i1=0;} + else if((i0|i1)!=0) { se=0x3fff;i0=0;i1=0;} } } else { i = (0x7fffffff)>>j0; diff --git a/sysdeps/libm-ieee754/s_floorl.c b/sysdeps/libm-ieee754/s_floorl.c index 0eb0bec..fb0c37e 100644 --- a/sysdeps/libm-ieee754/s_floorl.c +++ b/sysdeps/libm-ieee754/s_floorl.c @@ -53,7 +53,7 @@ static long double huge = 1.0e4930; if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */ if(sx==0) {se=0;i0=i1=0;} else if(((se&0x7fff)|i0|i1)!=0) - { se=0xbfff;i0;i1=0;} + { se=0xbfff;i0=i1=0;} } } else { i = (0x7fffffff)>>j0; @@ -62,6 +62,7 @@ static long double huge = 1.0e4930; if(sx) { if (j0>0) i0 += (0x80000000)>>j0; else ++se; + } i0 &= (~i); i1=0; } } diff --git a/sysdeps/libm-ieee754/s_llrint.c b/sysdeps/libm-ieee754/s_llrint.c index a50ba96..8e70bcf 100644 --- a/sysdeps/libm-ieee754/s_llrint.c +++ b/sysdeps/libm-ieee754/s_llrint.c @@ -55,27 +55,27 @@ __llrint (double x) w = two52[sx] + x; t = w - two52[sx]; EXTRACT_WORDS (i0, i1, t); - i0 = i & 0xfffff; - i0 |= 0x100000; j0 = ((i0 >> 20) & 0x7ff) - 0x3ff; + i0 &= 0xfffff; + i0 |= 0x100000; result = i0 >> (20 - j0); } } - else if (j0 < (int32_t) (8 * sizeof (long long int))) + else if (j0 < (int32_t) (8 * sizeof (long long int)) - 1) { if (j0 >= 52) - result = ((long long int) i0 << (j0 - 20)) | (i1 << (j0 - 52)); + result = (((long long int) i0 << 32) | i1) << (j0 - 52); else { w = two52[sx] + x; t = w - two52[sx]; EXTRACT_WORDS (i0, i1, t); - i0 = i & 0xfffff; - i0 |= 0x100000; j0 = ((i0 >> 20) & 0x7ff) - 0x3ff; + i0 &= 0xfffff; + i0 |= 0x100000; - result = ((long long int) i0 << (j0 - 20)) | (j >> (52 - j0)); + result = ((long long int) i0 << (j0 - 20)) | (i1 >> (52 - j0)); } } else diff --git a/sysdeps/libm-ieee754/s_llrintf.c b/sysdeps/libm-ieee754/s_llrintf.c index f73afd0..83cb7fd 100644 --- a/sysdeps/libm-ieee754/s_llrintf.c +++ b/sysdeps/libm-ieee754/s_llrintf.c @@ -47,7 +47,7 @@ __llrintf (float x) i0 = i & 0x7fffff; i0 |= 0x800000; - if (j0 < (int32_t) (sizeof (long long int) * 8)) + if (j0 < (int32_t) (sizeof (long long int) * 8) - 1) { if (j0 < -1) return 0; diff --git a/sysdeps/libm-ieee754/s_llrintl.c b/sysdeps/libm-ieee754/s_llrintl.c index d3b9b12..2aeaa1e 100644 --- a/sysdeps/libm-ieee754/s_llrintl.c +++ b/sysdeps/libm-ieee754/s_llrintl.c @@ -45,12 +45,12 @@ __llrintl (long double x) sx = (se >> 15) & 1; j0 = (se & 0x7fff) - 0x3fff; - if (j0 < (int32_t) (8 * sizeof (long long int))) + if (j0 < (int32_t) (8 * sizeof (long long int)) - 1) { if (j0 < -1) return 0; else if (j0 >= 63) - result = ((long long int) i0 << (j0 - 31)) | (i1 << (j0 - 63)); + result = (((long long int) i0 << 32) | i1) << (j0 - 63); else { w = two63[sx] + x; diff --git a/sysdeps/libm-ieee754/s_llround.c b/sysdeps/libm-ieee754/s_llround.c index 1deb630..92ce10f 100644 --- a/sysdeps/libm-ieee754/s_llround.c +++ b/sysdeps/libm-ieee754/s_llround.c @@ -48,17 +48,20 @@ __llround (double x) result = i0 >> (20 - j0); } } - else if (j0 < (int32_t) (8 * sizeof (long long int))) + else if (j0 < (int32_t) (8 * sizeof (long long int)) - 1) { if (j0 >= 52) - result = ((long long int) i0 << (j0 - 20)) | (i1 << (j0 - 52)); + result = (((long long int) i0 << 32) | i1) << (j0 - 52); else { u_int32_t j = i1 + (0x80000000 >> (j0 - 20)); if (j < i1) ++i0; - result = ((long long int) i0 << (j0 - 20)) | (j >> (52 - j0)); + if (j0 == 20) + result = (long long int) i0; + else + result = ((long long int) i0 << (j0 - 20)) | (j >> (52 - j0)); } } else diff --git a/sysdeps/libm-ieee754/s_llroundf.c b/sysdeps/libm-ieee754/s_llroundf.c index 87ed1a3..9aad81f 100644 --- a/sysdeps/libm-ieee754/s_llroundf.c +++ b/sysdeps/libm-ieee754/s_llroundf.c @@ -37,12 +37,12 @@ __llroundf (float x) i &= 0x7fffff; i |= 0x800000; - if (j0 < (int32_t) (8 * sizeof (long long int))) + if (j0 < (int32_t) (8 * sizeof (long long int)) - 1) { if (j0 < 0) return j0 < -1 ? 0 : sign; else if (j0 >= 23) - result = (long int) i << (j0 - 23); + result = (long long int) i << (j0 - 23); else { i += 0x400000 >> j0; diff --git a/sysdeps/libm-ieee754/s_llroundl.c b/sysdeps/libm-ieee754/s_llroundl.c index 959b1e3..4a537c8 100644 --- a/sysdeps/libm-ieee754/s_llroundl.c +++ b/sysdeps/libm-ieee754/s_llroundl.c @@ -52,17 +52,20 @@ __llroundl (long double x) result = j >> (31 - j0); } } - else if (j0 < (int32_t) (8 * sizeof (long long int))) + else if (j0 < (int32_t) (8 * sizeof (long long int)) - 1) { if (j0 >= 63) - result = ((long long int) i0 << (j0 - 31)) | (i1 << (j0 - 63)); + result = (((long long int) i0 << 32) | i1) << (j0 - 63); else { u_int32_t j = i1 + (0x80000000 >> (j0 - 31)); if (j < i1) ++i0; - result = ((long long int) i0 << (j0 - 31)) | (j >> (63 - j0)); + if (j0 == 31) + result = (long long int) i0; + else + result = ((long long int) i0 << (j0 - 31)) | (j >> (63 - j0)); } } else diff --git a/sysdeps/libm-ieee754/s_lrint.c b/sysdeps/libm-ieee754/s_lrint.c index 0ccd06a..8fe7d24 100644 --- a/sysdeps/libm-ieee754/s_lrint.c +++ b/sysdeps/libm-ieee754/s_lrint.c @@ -62,7 +62,7 @@ __lrint (double x) result = i0 >> (20 - j0); } } - else if (j0 < (int32_t) (8 * sizeof (long int))) + else if (j0 < (int32_t) (8 * sizeof (long int)) - 1) { if (j0 >= 52) result = ((long int) i0 << (j0 - 20)) | (i1 << (j0 - 52)); @@ -75,7 +75,7 @@ __lrint (double x) i0 |= 0x100000; j0 = ((i0 >> 20) & 0x7ff) - 0x3ff; - result = ((long int) i0 << (j0 - 20)) | (j >> (52 - j0)); + result = ((long int) i0 << (j0 - 20)) | (i1 >> (52 - j0)); } } else diff --git a/sysdeps/libm-ieee754/s_lrintf.c b/sysdeps/libm-ieee754/s_lrintf.c index 6d74b36..d80d81a 100644 --- a/sysdeps/libm-ieee754/s_lrintf.c +++ b/sysdeps/libm-ieee754/s_lrintf.c @@ -47,7 +47,7 @@ __lrintf (float x) i0 = i & 0x7fffff; i0 |= 0x800000; - if (j0 < (int32_t) (sizeof (long int) * 8)) + if (j0 < (int32_t) (sizeof (long int) * 8) - 1) { if (j0 < -1) return 0; diff --git a/sysdeps/libm-ieee754/s_lrintl.c b/sysdeps/libm-ieee754/s_lrintl.c index 5a41427..673cf3d 100644 --- a/sysdeps/libm-ieee754/s_lrintl.c +++ b/sysdeps/libm-ieee754/s_lrintl.c @@ -59,7 +59,7 @@ __lrintl (long double x) result = i0 >> (31 - j0); } } - else if (j0 < (int32_t) (8 * sizeof (long int))) + else if (j0 < (int32_t) (8 * sizeof (long int)) - 1) { if (j0 >= 63) result = ((long int) i0 << (j0 - 31)) | (i1 << (j0 - 63)); diff --git a/sysdeps/libm-ieee754/s_lround.c b/sysdeps/libm-ieee754/s_lround.c index a6468ba..49be12f 100644 --- a/sysdeps/libm-ieee754/s_lround.c +++ b/sysdeps/libm-ieee754/s_lround.c @@ -48,7 +48,7 @@ __lround (double x) result = i0 >> (20 - j0); } } - else if (j0 < (int32_t) (8 * sizeof (long int))) + else if (j0 < (int32_t) (8 * sizeof (long int)) - 1) { if (j0 >= 52) result = ((long int) i0 << (j0 - 20)) | (i1 << (j0 - 52)); diff --git a/sysdeps/libm-ieee754/s_lroundf.c b/sysdeps/libm-ieee754/s_lroundf.c index 0d3889c..df1d242 100644 --- a/sysdeps/libm-ieee754/s_lroundf.c +++ b/sysdeps/libm-ieee754/s_lroundf.c @@ -37,7 +37,7 @@ __lroundf (float x) i &= 0x7fffff; i |= 0x800000; - if (j0 < (int32_t) (8 * sizeof (long int))) + if (j0 < (int32_t) (8 * sizeof (long int)) - 1) { if (j0 < 0) return j0 < -1 ? 0 : sign; diff --git a/sysdeps/libm-ieee754/s_lroundl.c b/sysdeps/libm-ieee754/s_lroundl.c index d8b7db4..3bdac83 100644 --- a/sysdeps/libm-ieee754/s_lroundl.c +++ b/sysdeps/libm-ieee754/s_lroundl.c @@ -52,7 +52,7 @@ __lroundl (long double x) result = j >> (31 - j0); } } - else if (j0 < (int32_t) (8 * sizeof (long int))) + else if (j0 < (int32_t) (8 * sizeof (long int)) - 1) { if (j0 >= 63) result = ((long int) i0 << (j0 - 31)) | (i1 << (j0 - 63)); diff --git a/sysdeps/libm-ieee754/s_scalblnl.c b/sysdeps/libm-ieee754/s_scalblnl.c index aafb73e..b885fbc 100644 --- a/sysdeps/libm-ieee754/s_scalblnl.c +++ b/sysdeps/libm-ieee754/s_scalblnl.c @@ -34,7 +34,7 @@ static const long double static long double #endif two63 = 4.50359962737049600000e+15, -twom63 = 1.08420217248550443400e-19; +twom63 = 1.08420217248550443400e-19, huge = 1.0e+4900L, tiny = 1.0e-4900L; diff --git a/sysdeps/libm-ieee754/s_scalbnl.c b/sysdeps/libm-ieee754/s_scalbnl.c index 4e1d08e..32e4fb8 100644 --- a/sysdeps/libm-ieee754/s_scalbnl.c +++ b/sysdeps/libm-ieee754/s_scalbnl.c @@ -34,7 +34,7 @@ static const long double static long double #endif two63 = 4.50359962737049600000e+15, -twom63 = 1.08420217248550443400e-19; +twom63 = 1.08420217248550443400e-19, huge = 1.0e+4900L, tiny = 1.0e-4900L; diff --git a/sysdeps/libm-ieee754/s_sincosl.c b/sysdeps/libm-ieee754/s_sincosl.c index 7cadf88..78c78d5 100644 --- a/sysdeps/libm-ieee754/s_sincosl.c +++ b/sysdeps/libm-ieee754/s_sincosl.c @@ -38,7 +38,7 @@ __sincosl (long double x, long double *sinx, long double *cosx) *sinx = __kernel_sinl (x, 0.0, 0); *cosx = __kernel_cosl (x, 0.0); } - else if (ix == 0x7fff) + else if (se == 0x7fff) { /* sin(Inf or NaN) is NaN */ *sinx = *cosx = x - x; diff --git a/sysdeps/libm-ieee754/s_tanl.c b/sysdeps/libm-ieee754/s_tanl.c index bce6d07..97a0b27 100644 --- a/sysdeps/libm-ieee754/s_tanl.c +++ b/sysdeps/libm-ieee754/s_tanl.c @@ -66,7 +66,7 @@ static char rcsid[] = "$NetBSD: $"; /* |x| ~< pi/4 */ se &= 0x7fff; - if(ix <= 0x3ffe) return __kernel_tanl(x,z,1); + if(se <= 0x3ffe) return __kernel_tanl(x,z,1); /* tan(Inf or NaN) is NaN */ else if (se==0x7fff) return x-x; /* NaN */ |