Commit 411e9ca4ade243344f358b14151e87e2334e76a0 | zig

* std: Correct math.asinh64 to return correct signedness for negative values

* std: Add tests for negative values for math.asinh32 and math.asinh64

1 files changed, 3 insertions(+), 1 deletions(-)

lib/std/math/asinh.zig+3-1

...	...	@@ -60,7 +60,7 @@ fn asinh32(x: f32) f32 {
60	60	fn asinh64(x: f64) f64 {
61	61	const u = @bitCast(u64, x);
62	62	const e = (u >> 52) & 0x7FF;
63		const s = u >> 63;
	63	const s = e >> 63;
64	64
65	65	var rx = @bitCast(f64, u & (maxInt(u64) >> 1)); // \|x\|
66	66
...	...	@@ -97,6 +97,7 @@ test "math.asinh32" {
97	97	const epsilon = 0.000001;
98	98
99	99	try expect(math.approxEqAbs(f32, asinh32(0.0), 0.0, epsilon));
	100	try expect(math.approxEqAbs(f32, asinh32(-0.2), -0.198690, epsilon));
100	101	try expect(math.approxEqAbs(f32, asinh32(0.2), 0.198690, epsilon));
101	102	try expect(math.approxEqAbs(f32, asinh32(0.8923), 0.803133, epsilon));
102	103	try expect(math.approxEqAbs(f32, asinh32(1.5), 1.194763, epsilon));
...	...	@@ -109,6 +110,7 @@ test "math.asinh64" {
109	110	const epsilon = 0.000001;
110	111
111	112	try expect(math.approxEqAbs(f64, asinh64(0.0), 0.0, epsilon));
	113	try expect(math.approxEqAbs(f64, asinh64(-0.2), -0.198690, epsilon));
112	114	try expect(math.approxEqAbs(f64, asinh64(0.2), 0.198690, epsilon));
113	115	try expect(math.approxEqAbs(f64, asinh64(0.8923), 0.803133, epsilon));
114	116	try expect(math.approxEqAbs(f64, asinh64(1.5), 1.194763, epsilon));