guix/gnu/packages/patches/fuzzylite-soften-float-equality.patch
Vagrant Cascadian 4c610d2b2e
gnu: Add fuzzylite.
* gnu/packages/games.scm (fuzzylite): New variable.
* gnu/packages/patches/fuzzylite-relative-path-in-tests.patch: New file.
* gnu/packages/patches/fuzzylite-use-catch2.patch: New file.
* gnu/packages/patches/fuzzylite-soften-float-equality.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register them here.

Signed-off-by: Liliana Marie Prikler <liliana.prikler@gmail.com>
2023-07-09 07:31:36 +02:00

30 lines
1.4 KiB
Diff

Origin: https://salsa.debian.org/debian/fuzzylite/-/blob/debian/6.0+dfsg-6/debian/patches/when-testing-large-float-numbers-for-equ.patch
From: Johannes 'josch' Schauer <josch@debian.org>
Date: Sun, 3 Feb 2019 10:33:22 +0100
X-Dgit-Generated: 6.0+dfsg-2 80960ae38da9db032dfbfec6405398653e8205ff
Subject: when testing large float numbers for equality, use a larger epsilon
---
--- fuzzylite-6.0+dfsg.orig/fuzzylite/test/BenchmarkTest.cpp
+++ fuzzylite-6.0+dfsg/fuzzylite/test/BenchmarkTest.cpp
@@ -96,7 +96,17 @@ namespace fl {
CHECK(Op::isEq(1.0, Benchmark::convert(1000.0, Benchmark::MilliSeconds, Benchmark::Seconds)));
FL_LOG(Benchmark::convert(1000.0, Benchmark::MilliSeconds, Benchmark::Seconds));
- CHECK(Op::isEq(35e9, Benchmark::convert(35, Benchmark::Seconds, Benchmark::NanoSeconds)));
+ scalar eps =
+#ifndef __i386__
+ fuzzylite::macheps();
+#else
+ // on i386, due to the 80bit x87 register, double floating point
+ // numbers are handled differently and thus the difference between
+ // 35e9 and the result of Benchmark::convert() will be 2.179e-6,
+ // which is greater than the default epsilon of 1e-6.
+ 1e-5;
+#endif
+ CHECK(Op::isEq(35e9, Benchmark::convert(35, Benchmark::Seconds, Benchmark::NanoSeconds), eps));
CHECK(Op::isEq(35, Benchmark::convert(35e9, Benchmark::NanoSeconds, Benchmark::Seconds)));
}