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test std.math f16 sqrt support

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refs #1122
This commit is contained in:
Ben Noordhuis 2018-06-30 01:44:54 +02:00
parent be36179064
commit 30cfc0ab2c
1 changed files with 23 additions and 0 deletions
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23
std/math/sqrt.zig
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@ -31,10 +31,25 @@ pub fn sqrt(x: var) (if (@typeId(@typeOf(x)) == TypeId.Int) @IntType(false, @typ
}
test "math.sqrt" {
assert(sqrt(f16(0.0)) == @sqrt(f16, 0.0));
assert(sqrt(f32(0.0)) == @sqrt(f32, 0.0));
assert(sqrt(f64(0.0)) == @sqrt(f64, 0.0));
}
test "math.sqrt16" {
const epsilon = 0.000001;
assert(@sqrt(f16, 0.0) == 0.0);
assert(math.approxEq(f16, @sqrt(f16, 2.0), 1.414214, epsilon));
assert(math.approxEq(f16, @sqrt(f16, 3.6), 1.897367, epsilon));
assert(@sqrt(f16, 4.0) == 2.0);
assert(math.approxEq(f16, @sqrt(f16, 7.539840), 2.745877, epsilon));
assert(math.approxEq(f16, @sqrt(f16, 19.230934), 4.385309, epsilon));
assert(@sqrt(f16, 64.0) == 8.0);
assert(math.approxEq(f16, @sqrt(f16, 64.1), 8.006248, epsilon));
assert(math.approxEq(f16, @sqrt(f16, 8942.230469), 94.563370, epsilon));
}
test "math.sqrt32" {
const epsilon = 0.000001;
@ -63,6 +78,14 @@ test "math.sqrt64" {
assert(math.approxEq(f64, @sqrt(f64, 8942.230469), 94.563367, epsilon));
}
test "math.sqrt16.special" {
assert(math.isPositiveInf(@sqrt(f16, math.inf(f16))));
assert(@sqrt(f16, 0.0) == 0.0);
assert(@sqrt(f16, -0.0) == -0.0);
assert(math.isNan(@sqrt(f16, -1.0)));
assert(math.isNan(@sqrt(f16, math.nan(f16))));
}
test "math.sqrt32.special" {
assert(math.isPositiveInf(@sqrt(f32, math.inf(f32))));
assert(@sqrt(f32, 0.0) == 0.0);