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fix VIDIOC_DQEVENT (v4l2) ioctl fallback for pre-5.6 kernels
[musl]
/
src
/
math
/
atan.c
diff --git
a/src/math/atan.c
b/src/math/atan.c
index
5a1d33e
..
63b0ab2
100644
(file)
--- a/
src/math/atan.c
+++ b/
src/math/atan.c
@@
-77,8
+77,9
@@
double atan(double x)
}
if (ix < 0x3fdc0000) { /* |x| < 0.4375 */
if (ix < 0x3e400000) { /* |x| < 2^-27 */
}
if (ix < 0x3fdc0000) { /* |x| < 0.4375 */
if (ix < 0x3e400000) { /* |x| < 2^-27 */
- /* raise inexact if x!=0 */
- FORCE_EVAL(x + 0x1p120f);
+ if (ix < 0x00100000)
+ /* raise underflow for subnormal x */
+ FORCE_EVAL((float)x);
return x;
}
id = -1;
return x;
}
id = -1;