[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Wed, 11 Dec 2019 10:55:01 +0100
From: "Stefan Kanthak" <stefan.kanthak@...go.de>
To: <musl@...ts.openwall.com>
Subject: [PATCH] fdim(), fdimf() and fdiml() radically simplified
Yet another optimisation/simplification in the math subtree.
JFTR: I'm NOT subscribed to your mailing list, so CC: me in replies!
--- -/src/math/fdim.c
+++ +/src/math/fdim.c
@@ -3,8 +3,4 @@
double fdim(double x, double y)
{
- if (isnan(x))
- return x;
- if (isnan(y))
- return y;
- return x > y ? x - y : 0;
+ return x <= y ? 0.0 : x - y;
}
--- -/src/math/fdimf.c
+++ +/src/math/fdimf.c
@@ -3,8 +3,4 @@
float fdimf(float x, float y)
{
- if (isnan(x))
- return x;
- if (isnan(y))
- return y;
- return x > y ? x - y : 0;
+ return x <= y ? 0.0 : x - y;
}
--- -/src/math/fdiml.c
+++ +/src/math/fdiml.c
@@ -10,8 +10,4 @@
long double fdiml(long double x, long double y)
{
- if (isnan(x))
- return x;
- if (isnan(y))
- return y;
- return x > y ? x - y : 0;
+ return x <= y ? 0.0 : x - y;
}
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
