slstatus

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:
M
components/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