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commit 68a3902dc533a66c1377409b34904f730ae4a7ef
parent 422cadfd5ffd78ae1b8fdf15734e03bd0333b26e
Author: Laslo Hunhold <dev@frign.de>
Date:   Sat, 19 May 2018 20:09:38 +0200

Increase precision in netspeeds.c

First dividing by interval before multiplying with 1000 decreases the
precision by +-(interval - 1) * 1000, as interval arithmetic always
applies the Gauß-function to the result.

This is not necessary and simply reordering the operations mitigates
this.

Diffstat:
Mcomponents/netspeeds.c | 16++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/components/netspeeds.c b/components/netspeeds.c @@ -26,8 +26,8 @@ return NULL; } - return oldrxbytes ? fmt_scaled((rxbytes - oldrxbytes) / - interval * 1000) : NULL; + return oldrxbytes ? fmt_scaled((rxbytes - oldrxbytes) * + 1000 / interval) : NULL; } const char * @@ -49,8 +49,8 @@ return NULL; } - return oldtxbytes ? fmt_scaled((txbytes - oldtxbytes) / - interval * 1000) : NULL; + return oldtxbytes ? fmt_scaled((txbytes - oldtxbytes) * + 1000 / interval) : NULL; } #elif defined(__OpenBSD__) #include <string.h> @@ -88,8 +88,8 @@ return NULL; } - return oldrxbytes ? fmt_scaled((rxbytes - oldrxbytes) / - interval * 1000) : NULL; + return oldrxbytes ? fmt_scaled((rxbytes - oldrxbytes) * + 1000 / interval) : NULL; } const char * @@ -121,7 +121,7 @@ return NULL; } - return oldtxbytes ? fmt_scaled((txbytes - oldtxbytes) / - interval * 1000) : NULL; + return oldtxbytes ? fmt_scaled((txbytes - oldtxbytes) * + 1000 / interval) : NULL; } #endif