math: fix expected results for -5 raised to the -2 power, add a few m…

…ore cases (#19274)
vlang · Sep 5, 2023 · c126450 · c126450
1 parent fb0f12f
commit c126450
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/vlib/math/math_test.v b/vlib/math/math_test.v
@@ -777,7 +777,8 @@ fn test_pow() {
 		[inf(1), 1], [inf(1), pi], [inf(1), nan()], [nan(), -pi],
 		[nan(), -0.0], [nan(), 0], [nan(), 1], [nan(), pi], [nan(),
 			nan()],
-		[5.0, 2.0], [5.0, 3.0], [5.0, 10.0], [5.0, -2.0], [-5.0, -2.0]]
+		[5.0, 2.0], [5.0, 3.0], [5.0, 10.0], [5.0, -2.0], [-5.0, -1.0],
+		[-5.0, -2.0], [-5.0, -3.0]]
 	pow_sc_ := [f64(0), // pow(-inf, -pi)
 	 	-0.0, // pow(-inf, -3)
 	 	1, // pow(-inf, -0)
@@ -844,11 +845,13 @@ fn test_pow() {
 	 	125, // pow(5, 3) => 5 * 5 * 5
 	 	9765625, // pow(5, 10)
 	 	0.04, // pow(5, -2)
-	 	-0.04, // pow(-5, -2)
+	 	-0.2, // pow(-5, -1)
+	 	0.04, // pow(-5, -2)
+	 	-0.008, // pow(-5, -3)
 	]
 	for i := 0; i < vfpow_sc_.len; i++ {
 		f := pow(vfpow_sc_[i][0], vfpow_sc_[i][1])
-		assert alike(pow_sc_[i], f)
+		assert alike(pow_sc_[i], f), 'pow_sc_[${i}] = ${pow_sc_[i]}, f = ${f}'
 	}
 }