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fix erroneous utf-16 encoding with surrogates in iconv
[musl]
/
src
/
math
/
cosh.c
diff --git
a/src/math/cosh.c
b/src/math/cosh.c
index
5f38b27
..
a1f7dbc
100644
(file)
--- a/
src/math/cosh.c
+++ b/
src/math/cosh.c
@@
-32,7
+32,7
@@
#include "libm.h"
#include "libm.h"
-static const double
one = 1.0, half = 0.5,
huge = 1.0e300;
+static const double huge = 1.0e300;
double cosh(double x)
{
double cosh(double x)
{
@@
-49,21
+49,21
@@
double cosh(double x)
/* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */
if (ix < 0x3fd62e43) {
t = expm1(fabs(x));
/* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */
if (ix < 0x3fd62e43) {
t = expm1(fabs(x));
- w =
one
+t;
+ w =
1.0
+t;
if (ix < 0x3c800000)
return w; /* cosh(tiny) = 1 */
if (ix < 0x3c800000)
return w; /* cosh(tiny) = 1 */
- return
one
+ (t*t)/(w+w);
+ return
1.0
+ (t*t)/(w+w);
}
/* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|))/2; */
if (ix < 0x40360000) {
t = exp(fabs(x));
}
/* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|))/2; */
if (ix < 0x40360000) {
t = exp(fabs(x));
- return
half*t + half
/t;
+ return
0.5*t + 0.5
/t;
}
}
- /* |x| in [22, log(maxdouble)] return
half
*exp(|x|) */
+ /* |x| in [22, log(maxdouble)] return
0.5
*exp(|x|) */
if (ix < 0x40862E42)
if (ix < 0x40862E42)
- return
half
*exp(fabs(x));
+ return
0.5
*exp(fabs(x));
/* |x| in [log(maxdouble), overflowthresold] */
if (ix <= 0x408633CE)
/* |x| in [log(maxdouble), overflowthresold] */
if (ix <= 0x408633CE)