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add PTRACE_PEEKSIGINFO to ptrace.h
[musl]
/
src
/
math
/
logf.c
diff --git
a/src/math/logf.c
b/src/math/logf.c
index
285ee61
..
c7f7dbe
100644
(file)
--- a/
src/math/logf.c
+++ b/
src/math/logf.c
@@
-25,8
+25,6
@@
Lg2 = 0xccce13.0p-25, /* 0.40000972152 */
Lg3 = 0x91e9ee.0p-25, /* 0.28498786688 */
Lg4 = 0xf89e26.0p-26; /* 0.24279078841 */
Lg3 = 0x91e9ee.0p-25, /* 0.28498786688 */
Lg4 = 0xf89e26.0p-26; /* 0.24279078841 */
-static const float zero = 0.0;
-
float logf(float x)
{
float hfsq,f,s,z,R,w,t1,t2,dk;
float logf(float x)
{
float hfsq,f,s,z,R,w,t1,t2,dk;
@@
-37,9
+35,9
@@
float logf(float x)
k = 0;
if (ix < 0x00800000) { /* x < 2**-126 */
if ((ix & 0x7fffffff) == 0)
k = 0;
if (ix < 0x00800000) { /* x < 2**-126 */
if ((ix & 0x7fffffff) == 0)
- return -two25/
zero
; /* log(+-0)=-inf */
+ return -two25/
0.0f
; /* log(+-0)=-inf */
if (ix < 0)
if (ix < 0)
- return (x-x)/
zero
; /* log(-#) = NaN */
+ return (x-x)/
0.0f
; /* log(-#) = NaN */
/* subnormal number, scale up x */
k -= 25;
x *= two25;
/* subnormal number, scale up x */
k -= 25;
x *= two25;
@@
-52,21
+50,21
@@
float logf(float x)
i = (ix + (0x95f64<<3)) & 0x800000;
SET_FLOAT_WORD(x, ix|(i^0x3f800000)); /* normalize x or x/2 */
k += i>>23;
i = (ix + (0x95f64<<3)) & 0x800000;
SET_FLOAT_WORD(x, ix|(i^0x3f800000)); /* normalize x or x/2 */
k += i>>23;
- f = x -
(float)1.0
;
+ f = x -
1.0f
;
if ((0x007fffff & (0x8000 + ix)) < 0xc000) { /* -2**-9 <= f < 2**-9 */
if ((0x007fffff & (0x8000 + ix)) < 0xc000) { /* -2**-9 <= f < 2**-9 */
- if (f ==
zero
) {
+ if (f ==
0.0f
) {
if (k == 0)
if (k == 0)
- return
zero
;
+ return
0.0f
;
dk = (float)k;
return dk*ln2_hi + dk*ln2_lo;
}
dk = (float)k;
return dk*ln2_hi + dk*ln2_lo;
}
- R = f*f*(
(float)0.5 - (float)0.33333333333333333
*f);
+ R = f*f*(
0.5f - 0.33333333333333333f
*f);
if (k == 0)
return f-R;
dk = (float)k;
return dk*ln2_hi - ((R-dk*ln2_lo)-f);
}
if (k == 0)
return f-R;
dk = (float)k;
return dk*ln2_hi - ((R-dk*ln2_lo)-f);
}
- s = f/(
(float)2.0+
f);
+ s = f/(
2.0f +
f);
dk = (float)k;
z = s*s;
i = ix-(0x6147a<<3);
dk = (float)k;
z = s*s;
i = ix-(0x6147a<<3);
@@
-77,7
+75,7
@@
float logf(float x)
i |= j;
R = t2 + t1;
if (i > 0) {
i |= j;
R = t2 + t1;
if (i > 0) {
- hfsq =
(float)0.5*f*
f;
+ hfsq =
0.5f * f *
f;
if (k == 0)
return f - (hfsq-s*(hfsq+R));
return dk*ln2_hi - ((hfsq-(s*(hfsq+R)+dk*ln2_lo))-f);
if (k == 0)
return f - (hfsq-s*(hfsq+R));
return dk*ln2_hi - ((hfsq-(s*(hfsq+R)+dk*ln2_lo))-f);