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ensure pointer decay in inline-asm arg for i386 syscall6
[musl]
/
src
/
math
/
log2l.c
diff --git
a/src/math/log2l.c
b/src/math/log2l.c
index
4339c03
..
8ebce9c
100644
(file)
--- a/
src/math/log2l.c
+++ b/
src/math/log2l.c
@@
-121,8
+121,8
@@
long double log2l(long double x)
return x;
if (x == INFINITY)
return x;
return x;
if (x == INFINITY)
return x;
- if (x <= 0.0
L
) {
- if (x == 0.0
L
)
+ if (x <= 0.0) {
+ if (x == 0.0)
return -INFINITY;
return NAN;
}
return -INFINITY;
return NAN;
}
@@
-139,12
+139,12
@@
long double log2l(long double x)
if (e > 2 || e < -2) {
if (x < SQRTH) { /* 2(2x-1)/(2x+1) */
e -= 1;
if (e > 2 || e < -2) {
if (x < SQRTH) { /* 2(2x-1)/(2x+1) */
e -= 1;
- z = x - 0.5
L
;
- y = 0.5
L * z + 0.5L
;
+ z = x - 0.5;
+ y = 0.5
* z + 0.5
;
} else { /* 2 (x-1)/(x+1) */
} else { /* 2 (x-1)/(x+1) */
- z = x - 0.5
L
;
- z -= 0.5
L
;
- y = 0.5
L * x + 0.5L
;
+ z = x - 0.5;
+ z -= 0.5;
+ y = 0.5
* x + 0.5
;
}
x = z / y;
z = x*x;
}
x = z / y;
z = x*x;
@@
-155,13
+155,13
@@
long double log2l(long double x)
/* logarithm using log(1+x) = x - .5x**2 + x**3 P(x)/Q(x) */
if (x < SQRTH) {
e -= 1;
/* logarithm using log(1+x) = x - .5x**2 + x**3 P(x)/Q(x) */
if (x < SQRTH) {
e -= 1;
- x =
ldexpl(x, 1) - 1.0L; /* 2x - 1 */
+ x =
2.0*x - 1.0;
} else {
} else {
- x = x - 1.0
L
;
+ x = x - 1.0;
}
z = x*x;
y = x * (z * __polevll(x, P, 6) / __p1evll(x, Q, 7));
}
z = x*x;
y = x * (z * __polevll(x, P, 6) / __p1evll(x, Q, 7));
- y = y -
ldexpl(z, -1); /* -0.5x^2 + ... */
+ y = y -
0.5*z;
done:
/* Multiply log of fraction by log2(e)
done:
/* Multiply log of fraction by log2(e)