From 438d0ec6ec4ae97d13d950ea317ce324dd205e10 Mon Sep 17 00:00:00 2001
From: Quaternions <krakow20@gmail.com>
Date: Thu, 26 Sep 2024 18:08:33 -0700
Subject: [PATCH] test zeroes
---
fixed_wide/src/tests.rs | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/fixed_wide/src/tests.rs b/fixed_wide/src/tests.rs
index 8e4dd4e..22002a2 100644
--- a/fixed_wide/src/tests.rs
+++ b/fixed_wide/src/tests.rs
@@ -139,3 +139,27 @@ fn test_sqrt_max(){
let a=I32F32::MAX;
test_exact(a);
}
+#[test]
+#[cfg(all(feature="zeroes",not(feature="deferred-division")))]
+fn test_zeroes_normal(){
+ // (x-1)*(x+1)
+ // x^2-1
+ let zeroes=I32F32::zeroes2(I32F32::NEG_ONE,I32F32::ZERO,I32F32::ONE);
+ assert_eq!(zeroes,arrayvec::ArrayVec::from_iter([I32F32::NEG_ONE,I32F32::ONE]));
+ let zeroes=I32F32::zeroes2(I32F32::NEG_ONE*3,I32F32::ONE*2,I32F32::ONE);
+ assert_eq!(zeroes,arrayvec::ArrayVec::from_iter([I32F32::NEG_ONE*3,I32F32::ONE]));
+}
+#[test]
+#[cfg(all(feature="zeroes",feature="deferred-division"))]
+fn test_zeroes_deferred_division(){
+ // (x-1)*(x+1)
+ // x^2-1
+ let zeroes=I32F32::zeroes2(I32F32::NEG_ONE,I32F32::ZERO,I32F32::ONE);
+ assert_eq!(
+ zeroes,
+ arrayvec::ArrayVec::from_iter([
+ ratio_ops::ratio::Ratio::new(I32F32::ONE*2,I32F32::NEG_ONE*2),
+ ratio_ops::ratio::Ratio::new(I32F32::ONE*2,I32F32::ONE*2),
+ ])
+ );
+}