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fix typo in dynamic linker path file loading code
[musl]
/
src
/
math
/
expm1l.c
diff --git
a/src/math/expm1l.c
b/src/math/expm1l.c
index
2f94dfa
..
21a86c0
100644
(file)
--- a/
src/math/expm1l.c
+++ b/
src/math/expm1l.c
@@
-44,13
+44,7
@@
*
* Relative error:
* arithmetic domain # trials peak rms
*
* Relative error:
* arithmetic domain # trials peak rms
- * IEEE -45,+MAXLOG 200,000 1.2e-19 2.5e-20
- *
- * ERROR MESSAGES:
- *
- * message condition value returned
- * expm1l overflow x > MAXLOG MAXNUM
- *
+ * IEEE -45,+maxarg 200,000 1.2e-19 2.5e-20
*/
#include "libm.h"
*/
#include "libm.h"
@@
-61,7
+55,6
@@
long double expm1l(long double x)
return expm1(x);
}
#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
return expm1(x);
}
#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
-static const long double MAXLOGL = 1.1356523406294143949492E4L;
/* exp(x) - 1 = x + 0.5 x^2 + x^3 P(x)/Q(x)
-.5 ln 2 < x < .5 ln 2
/* exp(x) - 1 = x + 0.5 x^2 + x^3 P(x)/Q(x)
-.5 ln 2 < x < .5 ln 2
@@
-83,25
+76,26
@@
C1 = 6.93145751953125E-1L,
C2 = 1.428606820309417232121458176568075500134E-6L,
/* ln 2^-65 */
minarg = -4.5054566736396445112120088E1L,
C2 = 1.428606820309417232121458176568075500134E-6L,
/* ln 2^-65 */
minarg = -4.5054566736396445112120088E1L,
-huge = 0x1p10000L;
+/* ln 2^16384 */
+maxarg = 1.1356523406294143949492E4L;
long double expm1l(long double x)
{
long double px, qx, xx;
int k;
long double expm1l(long double x)
{
long double px, qx, xx;
int k;
- /* Overflow. */
- if (x > MAXLOGL)
- return huge*huge; /* overflow */
+ if (isnan(x))
+ return x;
+ if (x > maxarg)
+ return x*0x1p16383L; /* overflow, unless x==inf */
if (x == 0.0)
return x;
if (x == 0.0)
return x;
- /* Minimum value.*/
if (x < minarg)
if (x < minarg)
- return -1.0
L
;
+ return -1.0;
xx = C1 + C2;
/* Express x = ln 2 (k + remainder), remainder not exceeding 1/2. */
xx = C1 + C2;
/* Express x = ln 2 (k + remainder), remainder not exceeding 1/2. */
- px = floorl
(0.5 + x / xx);
+ px = floorl(0.5 + x / xx);
k = px;
/* remainder times ln 2 */
x -= px * C1;
k = px;
/* remainder times ln 2 */
x -= px * C1;
@@
-116,7
+110,7
@@
long double expm1l(long double x)
/* exp(x) = exp(k ln 2) exp(remainder ln 2) = 2^k exp(remainder ln 2).
We have qx = exp(remainder ln 2) - 1, so
exp(x) - 1 = 2^k (qx + 1) - 1 = 2^k qx + 2^k - 1. */
/* exp(x) = exp(k ln 2) exp(remainder ln 2) = 2^k exp(remainder ln 2).
We have qx = exp(remainder ln 2) - 1, so
exp(x) - 1 = 2^k (qx + 1) - 1 = 2^k qx + 2^k - 1. */
- px =
ldexpl(1.0L
, k);
+ px =
scalbnl(1.0
, k);
x = px * qx + (px - 1.0);
return x;
}
x = px * qx + (px - 1.0);
return x;
}