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-rw-r--r--sysdeps/libm-ieee754/e_atan2f.c20
-rw-r--r--sysdeps/libm-ieee754/e_log.c4
-rw-r--r--sysdeps/libm-ieee754/e_log10.c16
-rw-r--r--sysdeps/libm-ieee754/e_log10f.c8
-rw-r--r--sysdeps/libm-ieee754/e_logf.c16
-rw-r--r--sysdeps/libm-ieee754/s_isinf.c5
-rw-r--r--sysdeps/libm-ieee754/s_isinff.c2
-rw-r--r--sysdeps/libm-ieee754/s_log1p.c2
-rw-r--r--sysdeps/libm-ieee754/s_log1pf.c14
-rw-r--r--sysdeps/libm-ieee754/s_log2.c4
-rw-r--r--sysdeps/libm-ieee754/s_log2f.c4
11 files changed, 47 insertions, 48 deletions
diff --git a/sysdeps/libm-ieee754/e_atan2f.c b/sysdeps/libm-ieee754/e_atan2f.c
index 437975f79f..8b3398c0a3 100644
--- a/sysdeps/libm-ieee754/e_atan2f.c
+++ b/sysdeps/libm-ieee754/e_atan2f.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.
* ====================================================
*/
@@ -21,16 +21,16 @@ static char rcsid[] = "$NetBSD: e_atan2f.c,v 1.4 1995/05/10 20:44:53 jtc Exp $";
#include "math_private.h"
#ifdef __STDC__
-static const float
+static const float
#else
-static float
+static float
#endif
tiny = 1.0e-30,
zero = 0.0,
-pi_o_4 = 7.8539818525e-01, /* 0x3f490fdb */
-pi_o_2 = 1.5707963705e+00, /* 0x3fc90fdb */
-pi = 3.1415925026e+00, /* 0x40490fda */
-pi_lo = 1.5099578832e-07; /* 0x34222168 */
+pi_o_4 = 7.8539818525e-01, /* 0x3f490fdb */
+pi_o_2 = 1.5707963705e+00, /* 0x3fc90fdb */
+pi = 3.1415927410e+00, /* 0x40490fdb */
+pi_lo = -8.7422776573e-07; /* 0xb3bbbd2e */
#ifdef __STDC__
float __ieee754_atan2f(float y, float x)
@@ -38,7 +38,7 @@ pi_lo = 1.5099578832e-07; /* 0x34222168 */
float __ieee754_atan2f(y,x)
float y,x;
#endif
-{
+{
float z;
int32_t k,m,hx,hy,ix,iy;
@@ -55,7 +55,7 @@ pi_lo = 1.5099578832e-07; /* 0x34222168 */
/* when y = 0 */
if(iy==0) {
switch(m) {
- case 0:
+ case 0:
case 1: return y; /* atan(+-0,+anything)=+-0 */
case 2: return pi+tiny;/* atan(+0,-anything) = pi */
case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
@@ -63,7 +63,7 @@ pi_lo = 1.5099578832e-07; /* 0x34222168 */
}
/* when x = 0 */
if(ix==0) return (hy<0)? -pi_o_2-tiny: pi_o_2+tiny;
-
+
/* when x is INF */
if(ix==0x7f800000) {
if(iy==0x7f800000) {
diff --git a/sysdeps/libm-ieee754/e_log.c b/sysdeps/libm-ieee754/e_log.c
index f584694686..e4e6eab6c5 100644
--- a/sysdeps/libm-ieee754/e_log.c
+++ b/sysdeps/libm-ieee754/e_log.c
@@ -106,8 +106,8 @@ static double zero = 0.0;
k=0;
if (hx < 0x00100000) { /* x < 2**-1022 */
if (((hx&0x7fffffff)|lx)==0)
- return -two54/zero; /* log(+-0)=-inf */
- if (hx<0) return (x-x)/zero; /* log(-#) = NaN */
+ return -two54/(x-x); /* log(+-0)=-inf */
+ if (hx<0) return (x-x)/(x-x); /* log(-#) = NaN */
k -= 54; x *= two54; /* subnormal number, scale up x */
GET_HIGH_WORD(hx,x);
}
diff --git a/sysdeps/libm-ieee754/e_log10.c b/sysdeps/libm-ieee754/e_log10.c
index 5d004ac4e2..e8a3278eaf 100644
--- a/sysdeps/libm-ieee754/e_log10.c
+++ b/sysdeps/libm-ieee754/e_log10.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.
* ====================================================
*/
@@ -16,26 +16,26 @@ static char rcsid[] = "$NetBSD: e_log10.c,v 1.9 1995/05/10 20:45:51 jtc Exp $";
/* __ieee754_log10(x)
* Return the base 10 logarithm of x
- *
+ *
* Method :
* Let log10_2hi = leading 40 bits of log10(2) and
* log10_2lo = log10(2) - log10_2hi,
* ivln10 = 1/log(10) rounded.
* Then
- * n = ilogb(x),
+ * n = ilogb(x),
* if(n<0) n = n+1;
* x = scalbn(x,-n);
* log10(x) := n*log10_2hi + (n*log10_2lo + ivln10*log(x))
*
* Note 1:
- * To guarantee log10(10**n)=n, where 10**n is normal, the rounding
+ * To guarantee log10(10**n)=n, where 10**n is normal, the rounding
* mode must set to Round-to-Nearest.
* Note 2:
* [1/log(10)] rounded to 53 bits has error .198 ulps;
* log10 is monotonic at all binary break points.
*
* Special cases:
- * log10(x) is NaN with signal if x < 0;
+ * log10(x) is NaN with signal if x < 0;
* log10(+INF) is +INF with no signal; log10(0) is -INF with signal;
* log10(NaN) is that NaN with no signal;
* log10(10**N) = N for N=0,1,...,22.
@@ -80,10 +80,10 @@ static double zero = 0.0;
EXTRACT_WORDS(hx,lx,x);
k=0;
- if (hx < 0x00100000) { /* x < 2**-1022 */
+ if (hx < 0x00100000) { /* x < 2**-1022 */
if (((hx&0x7fffffff)|lx)==0)
- return -two54/zero; /* log(+-0)=-inf */
- if (hx<0) return (x-x)/zero; /* log(-#) = NaN */
+ return -two54/(x-x); /* log(+-0)=-inf */
+ if (hx<0) return (x-x)/(x-x); /* log(-#) = NaN */
k -= 54; x *= two54; /* subnormal number, scale up x */
GET_HIGH_WORD(hx,x);
}
diff --git a/sysdeps/libm-ieee754/e_log10f.c b/sysdeps/libm-ieee754/e_log10f.c
index 2082a763bb..cea3d9156b 100644
--- a/sysdeps/libm-ieee754/e_log10f.c
+++ b/sysdeps/libm-ieee754/e_log10f.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.
* ====================================================
*/
@@ -49,10 +49,10 @@ static float zero = 0.0;
GET_FLOAT_WORD(hx,x);
k=0;
- if (hx < 0x00800000) { /* x < 2**-126 */
+ if (hx < 0x00800000) { /* x < 2**-126 */
if ((hx&0x7fffffff)==0)
- return -two25/zero; /* log(+-0)=-inf */
- if (hx<0) return (x-x)/zero; /* log(-#) = NaN */
+ return -two25/(x-x); /* log(+-0)=-inf */
+ if (hx<0) return (x-x)/(x-x); /* log(-#) = NaN */
k -= 25; x *= two25; /* subnormal number, scale up x */
GET_FLOAT_WORD(hx,x);
}
diff --git a/sysdeps/libm-ieee754/e_logf.c b/sysdeps/libm-ieee754/e_logf.c
index 1481fd01cb..0f1af93ba8 100644
--- a/sysdeps/libm-ieee754/e_logf.c
+++ b/sysdeps/libm-ieee754/e_logf.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.
* ====================================================
*/
@@ -56,12 +56,12 @@ static float zero = 0.0;
k=0;
if (ix < 0x00800000) { /* x < 2**-126 */
- if ((ix&0x7fffffff)==0)
- return -two25/zero; /* log(+-0)=-inf */
- if (ix<0) return (x-x)/zero; /* log(-#) = NaN */
+ if ((ix&0x7fffffff)==0)
+ return -two25/(x-x); /* log(+-0)=-inf */
+ if (ix<0) return (x-x)/(x-x); /* log(-#) = NaN */
k -= 25; x *= two25; /* subnormal number, scale up x */
GET_FLOAT_WORD(ix,x);
- }
+ }
if (ix >= 0x7f800000) return x+x;
k += (ix>>23)-127;
ix &= 0x007fffff;
@@ -76,14 +76,14 @@ static float zero = 0.0;
if(k==0) return f-R; else {dk=(float)k;
return dk*ln2_hi-((R-dk*ln2_lo)-f);}
}
- s = f/((float)2.0+f);
+ s = f/((float)2.0+f);
dk = (float)k;
z = s*s;
i = ix-(0x6147a<<3);
w = z*z;
j = (0x6b851<<3)-ix;
- t1= w*(Lg2+w*(Lg4+w*Lg6));
- t2= z*(Lg1+w*(Lg3+w*(Lg5+w*Lg7)));
+ t1= w*(Lg2+w*(Lg4+w*Lg6));
+ t2= z*(Lg1+w*(Lg3+w*(Lg5+w*Lg7)));
i |= j;
R = t2+t1;
if(i>0) {
diff --git a/sysdeps/libm-ieee754/s_isinf.c b/sysdeps/libm-ieee754/s_isinf.c
index d3c2cb55b7..6f76ce1fba 100644
--- a/sysdeps/libm-ieee754/s_isinf.c
+++ b/sysdeps/libm-ieee754/s_isinf.c
@@ -23,12 +23,11 @@ static char rcsid[] = "$NetBSD: s_isinf.c,v 1.3 1995/05/11 23:20:14 jtc Exp $";
double x;
#endif
{
- u_int32_t hx;
- int32_t lx;
+ int32_t hx,lx;
EXTRACT_WORDS(hx,lx,x);
lx |= (hx & 0x7fffffff) ^ 0x7ff00000;
lx |= -lx;
- return ~(lx >> 31) & (1 - ((hx >> 30) & 2));
+ return ~(lx >> 31) & (hx >> 30);
}
weak_alias (__isinf, isinf)
#ifdef NO_LONG_DOUBLE
diff --git a/sysdeps/libm-ieee754/s_isinff.c b/sysdeps/libm-ieee754/s_isinff.c
index 9acc0df6ec..18a0b5e03b 100644
--- a/sysdeps/libm-ieee754/s_isinff.c
+++ b/sysdeps/libm-ieee754/s_isinff.c
@@ -27,6 +27,6 @@ static char rcsid[] = "$NetBSD: s_isinff.c,v 1.3 1995/05/11 23:20:21 jtc Exp $";
t = ix & 0x7fffffff;
t ^= 0x7f800000;
t |= -t;
- return ~(t >> 31) & (1 - ((ix & 0x80000000) >> 30));
+ return ~(t >> 31) & (ix >> 30);
}
weak_alias (__isinff, isinff)
diff --git a/sysdeps/libm-ieee754/s_log1p.c b/sysdeps/libm-ieee754/s_log1p.c
index cc380a1091..086c0dce6c 100644
--- a/sysdeps/libm-ieee754/s_log1p.c
+++ b/sysdeps/libm-ieee754/s_log1p.c
@@ -120,7 +120,7 @@ static double zero = 0.0;
k = 1;
if (hx < 0x3FDA827A) { /* x < 0.41422 */
if(ax>=0x3ff00000) { /* x <= -1.0 */
- if(x==-1.0) return -two54/zero; /* log1p(-1)=+inf */
+ if(x==-1.0) return -two54/(x-x);/* log1p(-1)=+inf */
else return (x-x)/(x-x); /* log1p(x<-1)=NaN */
}
if(ax<0x3e200000) { /* |x| < 2**-29 */
diff --git a/sysdeps/libm-ieee754/s_log1pf.c b/sysdeps/libm-ieee754/s_log1pf.c
index ee0a83958d..5b1237b0d0 100644
--- a/sysdeps/libm-ieee754/s_log1pf.c
+++ b/sysdeps/libm-ieee754/s_log1pf.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.
* ====================================================
*/
@@ -58,7 +58,7 @@ static float zero = 0.0;
k = 1;
if (hx < 0x3ed413d7) { /* x < 0.41422 */
if(ax>=0x3f800000) { /* x <= -1.0 */
- if(x==(float)-1.0) return -two25/zero; /* log1p(-1)=+inf */
+ if(x==(float)-1.0) return -two25/(x-x); /* log1p(-1)=+inf */
else return (x-x)/(x-x); /* log1p(x<-1)=NaN */
}
if(ax<0x31000000) { /* |x| < 2**-29 */
@@ -70,11 +70,11 @@ static float zero = 0.0;
}
if(hx>0||hx<=((int32_t)0xbe95f61f)) {
k=0;f=x;hu=1;} /* -0.2929<x<0.41422 */
- }
+ }
if (hx >= 0x7f800000) return x+x;
if(k!=0) {
if(hx<0x5a000000) {
- u = (float)1.0+x;
+ u = (float)1.0+x;
GET_FLOAT_WORD(hu,u);
k = (hu>>23)-127;
/* correction term */
@@ -90,7 +90,7 @@ static float zero = 0.0;
if(hu<0x3504f7) {
SET_FLOAT_WORD(u,hu|0x3f800000);/* normalize u */
} else {
- k += 1;
+ k += 1;
SET_FLOAT_WORD(u,hu|0x3f000000); /* normalize u/2 */
hu = (0x00800000-hu)>>2;
}
@@ -98,13 +98,13 @@ static float zero = 0.0;
}
hfsq=(float)0.5*f*f;
if(hu==0) { /* |f| < 2**-20 */
- if(f==zero) if(k==0) return zero;
+ if(f==zero) if(k==0) return zero;
else {c += k*ln2_lo; return k*ln2_hi+c;}
R = hfsq*((float)1.0-(float)0.66666666666666666*f);
if(k==0) return f-R; else
return k*ln2_hi-((R-(k*ln2_lo+c))-f);
}
- s = f/((float)2.0+f);
+ s = f/((float)2.0+f);
z = s*s;
R = z*(Lp1+z*(Lp2+z*(Lp3+z*(Lp4+z*(Lp5+z*(Lp6+z*Lp7))))));
if(k==0) return f-(hfsq-s*(hfsq+R)); else
diff --git a/sysdeps/libm-ieee754/s_log2.c b/sysdeps/libm-ieee754/s_log2.c
index 46b53cfeff..93c20b3db1 100644
--- a/sysdeps/libm-ieee754/s_log2.c
+++ b/sysdeps/libm-ieee754/s_log2.c
@@ -93,8 +93,8 @@ static double zero = 0.0;
k=0;
if (hx < 0x00100000) { /* x < 2**-1022 */
if (((hx&0x7fffffff)|lx)==0)
- return -two54/zero; /* log(+-0)=-inf */
- if (hx<0) return (x-x)/zero; /* log(-#) = NaN */
+ return -two54/(x-x); /* log(+-0)=-inf */
+ if (hx<0) return (x-x)/(x-x); /* log(-#) = NaN */
k -= 54; x *= two54; /* subnormal number, scale up x */
GET_HIGH_WORD(hx,x);
}
diff --git a/sysdeps/libm-ieee754/s_log2f.c b/sysdeps/libm-ieee754/s_log2f.c
index 6415c37f53..da9dfb8324 100644
--- a/sysdeps/libm-ieee754/s_log2f.c
+++ b/sysdeps/libm-ieee754/s_log2f.c
@@ -53,8 +53,8 @@ static float zero = 0.0;
k=0;
if (ix < 0x00800000) { /* x < 2**-126 */
if ((ix&0x7fffffff)==0)
- return -two25/zero; /* log(+-0)=-inf */
- if (ix<0) return (x-x)/zero; /* log(-#) = NaN */
+ return -two25/(x-x); /* log(+-0)=-inf */
+ if (ix<0) return (x-x)/(x-x); /* log(-#) = NaN */
k -= 25; x *= two25; /* subnormal number, scale up x */
GET_FLOAT_WORD(ix,x);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 17:28:28 +0000