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| author | Kevin O'Connor <kevin@koconnor.net> | 2018-06-05 21:25:37 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2018-06-20 09:26:10 -0400 |
| commit | 189ebb4c7d5134296ce9e2bebe304a795b38ef89 (patch) | |
| tree | 3b6c3249e9268b5bd0a87c50758e26146d867f0b /klippy/chelper/stepcompress.c | |
| parent | bedbfceafc39489dfcc6cf453b7d64df262455e5 (diff) | |
| download | kutter-189ebb4c7d5134296ce9e2bebe304a795b38ef89.tar.gz kutter-189ebb4c7d5134296ce9e2bebe304a795b38ef89.tar.xz kutter-189ebb4c7d5134296ce9e2bebe304a795b38ef89.zip | |
chelper: Add compiler.h header
Add the compiler.h header file to the chelper code - this adds a
number of useful gcc definitions.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'klippy/chelper/stepcompress.c')
| -rw-r--r-- | klippy/chelper/stepcompress.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/klippy/chelper/stepcompress.c b/klippy/chelper/stepcompress.c index 7bb72b96..c65bb431 100644 --- a/klippy/chelper/stepcompress.c +++ b/klippy/chelper/stepcompress.c @@ -20,6 +20,7 @@ #include <stdio.h> // fprintf #include <stdlib.h> // malloc #include <string.h> // memset +#include "compiler.h" // DIV_ROUND_UP #include "pyhelper.h" // errorf #include "serialqueue.h" // struct queue_message @@ -44,12 +45,10 @@ struct stepcompress { * Step compression ****************************************************************/ -#define DIV_UP(n,d) (((n) + (d) - 1) / (d)) - static inline int32_t idiv_up(int32_t n, int32_t d) { - return (n>=0) ? DIV_UP(n,d) : (n/d); + return (n>=0) ? DIV_ROUND_UP(n,d) : (n/d); } static inline int32_t @@ -116,7 +115,7 @@ compress_bisect_add(struct stepcompress *sc) int32_t nextaddfactor = nextcount*(nextcount-1)/2; int32_t c = add*nextaddfactor; if (nextmininterval*nextcount < nextpoint.minp - c) - nextmininterval = DIV_UP(nextpoint.minp - c, nextcount); + nextmininterval = DIV_ROUND_UP(nextpoint.minp - c, nextcount); if (nextmaxinterval*nextcount > nextpoint.maxp - c) nextmaxinterval = (nextpoint.maxp - c) / nextcount; if (nextmininterval > nextmaxinterval) |