[hackers] [libgrapheme] Coding style and explicit double-cast || Laslo Hunhold

[git]

commit 24255ed919b2a40830954ef47df6901e566f46aa
Author:     Laslo Hunhold <d...@frign.de>
AuthorDate: Tue Dec 14 12:51:31 2021 +0100
Commit:     Laslo Hunhold <d...@frign.de>
CommitDate: Tue Dec 14 12:51:31 2021 +0100

    Coding style and explicit double-cast
    
    Signed-off-by: Laslo Hunhold <d...@frign.de>

diff --git a/test/grapheme-performance.c b/test/grapheme-performance.c
index 30fdc3a..4ad770f 100644
--- a/test/grapheme-performance.c
+++ b/test/grapheme-performance.c
@@ -11,7 +11,8 @@
 #define LEN(x) (sizeof(x) / sizeof(*(x)))
 #define NUM_ITERATIONS 10000
 
-int64_t time_diff(struct timespec *a, struct timespec *b)
+static int64_t
+time_diff(struct timespec *a, struct timespec *b)
 {
        return ((b->tv_sec * 1000000000) + b->tv_nsec) -
               ((a->tv_sec * 1000000000) + a->tv_nsec);
@@ -57,8 +58,8 @@ main(void)
                }
        }
        clock_gettime(CLOCK_MONOTONIC, &end);
-       cp_per_sec = ((double)NUM_ITERATIONS * bufsiz) /
-                    ((double)time_diff(&start, &end) / 1000000000);
+       cp_per_sec = ((double)NUM_ITERATIONS * (double)bufsiz) /
+                    (time_diff(&start, &end) / 1000000000);
 
        printf(" %.2e CP/s\n", cp_per_sec);