Fix rsqrt test in unops.cu in HIP

stijnh · stijnh · commit 6dcf0005a7b0 · 2026-05-05T12:45:02.000+02:00
diff --git a/tests/unops.cu b/tests/unops.cu
@@ -80,7 +80,7 @@ struct unops_float_tests {
 
             // seems that rsqrt does not match bitwise on GPU
             b = rsqrt(a);
-            ASSERT_APPROX_ALL(b[I], rsqrt(T(items[I])));
+            ASSERT_APPROX_ALL(b[I], T(1.0 / sqrt(double(items[I]))));
         }
     }
 };

Original file line number	Diff line number	Diff line change
`@@ -80,7 +80,7 @@ struct unops_float_tests {`
`80`	`80`
`81`	`81`	`// seems that rsqrt does not match bitwise on GPU`
`82`	`82`	`b = rsqrt(a);`
`83`		`- ASSERT_APPROX_ALL(b[I], rsqrt(T(items[I])));`
	`83`	`+ ASSERT_APPROX_ALL(b[I], T(1.0 / sqrt(double(items[I]))));`
`84`	`84`	`}`
`85`	`85`	`}`
`86`	`86`	`};`