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| author | Raghuram Subramani <raghus2247@gmail.com> | 2022-06-19 19:47:51 +0530 |
|---|---|---|
| committer | Raghuram Subramani <raghus2247@gmail.com> | 2022-06-19 19:47:51 +0530 |
| commit | 4fd287655a72b9aea14cdac715ad5b90ed082ed2 (patch) | |
| tree | 65d393bc0e699dd12d05b29ba568e04cea666207 /circuitpython/lib/libm_dbl/__signbit.c | |
| parent | 0150f70ce9c39e9e6dd878766c0620c85e47bed0 (diff) | |
add circuitpython code
Diffstat (limited to '')
| -rw-r--r-- | circuitpython/lib/libm_dbl/__signbit.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/circuitpython/lib/libm_dbl/__signbit.c b/circuitpython/lib/libm_dbl/__signbit.c new file mode 100644 index 0000000..f1f1ae8 --- /dev/null +++ b/circuitpython/lib/libm_dbl/__signbit.c @@ -0,0 +1,10 @@ +#include "libm.h" + +int __signbitd(double x) +{ + union { + double d; + uint64_t i; + } y = { x }; + return y.i>>63; +} |