Commit 30cfc0ab2c56ad73dca9b9935731d10010c93b32 | zig

author	Ben Noordhuis <info@bnoordhuis.nl> 2018-06-30 01:44:54+02:00
committer	Ben Noordhuis <info@bnoordhuis.nl> 2018-06-30 01:58:17+02:00
log	30cfc0ab2c56ad73dca9b9935731d10010c93b32
tree	4b1bbf13c8d521270a1dc64fadcf1700193c8136
parent	be361790645971446b64dabf21c27a595a40c8fd

test std.math f16 sqrt support

refs #1122

1 files changed, 23 insertions(+), 0 deletions(-)

std
- math
  - sqrt.zig

std/math/sqrt.zig+23

...	@@ -31,10 +31,25 @@ pub fn sqrt(x: var) (if (@typeId(@typeOf(x)) == TypeId.Int) @IntType(false, @typ	...	@@ -31,10 +31,25 @@ pub fn sqrt(x: var) (if (@typeId(@typeOf(x)) == TypeId.Int) @IntType(false, @typ
31	}	31	}
32		32
33	test "math.sqrt" {	33	test "math.sqrt" {
		34	assert(sqrt(f16(0.0)) == @sqrt(f16, 0.0));
34	assert(sqrt(f32(0.0)) == @sqrt(f32, 0.0));	35	assert(sqrt(f32(0.0)) == @sqrt(f32, 0.0));
35	assert(sqrt(f64(0.0)) == @sqrt(f64, 0.0));	36	assert(sqrt(f64(0.0)) == @sqrt(f64, 0.0));
36	}	37	}
37		38
		39	test "math.sqrt16" {
		40	const epsilon = 0.000001;
		41
		42	assert(@sqrt(f16, 0.0) == 0.0);
		43	assert(math.approxEq(f16, @sqrt(f16, 2.0), 1.414214, epsilon));
		44	assert(math.approxEq(f16, @sqrt(f16, 3.6), 1.897367, epsilon));
		45	assert(@sqrt(f16, 4.0) == 2.0);
		46	assert(math.approxEq(f16, @sqrt(f16, 7.539840), 2.745877, epsilon));
		47	assert(math.approxEq(f16, @sqrt(f16, 19.230934), 4.385309, epsilon));
		48	assert(@sqrt(f16, 64.0) == 8.0);
		49	assert(math.approxEq(f16, @sqrt(f16, 64.1), 8.006248, epsilon));
		50	assert(math.approxEq(f16, @sqrt(f16, 8942.230469), 94.563370, epsilon));
		51	}
		52
38	test "math.sqrt32" {	53	test "math.sqrt32" {
39	const epsilon = 0.000001;	54	const epsilon = 0.000001;
40		55
...	@@ -63,6 +78,14 @@ test "math.sqrt64" {	...	@@ -63,6 +78,14 @@ test "math.sqrt64" {
63	assert(math.approxEq(f64, @sqrt(f64, 8942.230469), 94.563367, epsilon));	78	assert(math.approxEq(f64, @sqrt(f64, 8942.230469), 94.563367, epsilon));
64	}	79	}
65		80
		81	test "math.sqrt16.special" {
		82	assert(math.isPositiveInf(@sqrt(f16, math.inf(f16))));
		83	assert(@sqrt(f16, 0.0) == 0.0);
		84	assert(@sqrt(f16, -0.0) == -0.0);
		85	assert(math.isNan(@sqrt(f16, -1.0)));
		86	assert(math.isNan(@sqrt(f16, math.nan(f16))));
		87	}
		88
66	test "math.sqrt32.special" {	89	test "math.sqrt32.special" {
67	assert(math.isPositiveInf(@sqrt(f32, math.inf(f32))));	90	assert(math.isPositiveInf(@sqrt(f32, math.inf(f32))));
68	assert(@sqrt(f32, 0.0) == 0.0);	91	assert(@sqrt(f32, 0.0) == 0.0);