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math: Add vector comparison functions (#1131)

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Joel 2024-01-06 20:37:58 +01:00 • committed by GitHub
parent e9489ee560
commit 59bb156bf9
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2 changed files with 59 additions and 7 deletions
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14
src/testing.zig
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@ -8,12 +8,12 @@ fn ExpectFloat(comptime T: type) type {
return struct {
expected: T,
/// Approximate (absolute epsilon tolerence) equality
/// Approximate (absolute epsilon tolerance) equality
pub fn eql(e: *const @This(), actual: T) !void {
try e.eqlApprox(actual, math.eps(T));
}
/// Approximate (tolerence) equality
/// Approximate (absolute tolerance) equality
pub fn eqlApprox(e: *const @This(), actual: T, tolerance: T) !void {
try testing.expectApproxEqAbs(e.expected, actual, tolerance);
}
@ -31,12 +31,12 @@ fn ExpectVector(comptime T: type) type {
return struct {
expected: T,
/// Approximate (absolute epsilon tolerence) equality
/// Approximate (absolute epsilon tolerance) equality
pub fn eql(e: *const @This(), actual: T) !void {
try e.eqlApprox(actual, math.eps(Elem));
}
/// Approximate (tolerence) equality
/// Approximate (absolute tolerance) equality
pub fn eqlApprox(e: *const @This(), actual: T, tolerance: Elem) !void {
var i: usize = 0;
while (i < len) : (i += 1) {
@ -58,12 +58,12 @@ fn ExpectVecMat(comptime T: type) type {
return struct {
expected: T,
/// Approximate (absolute epsilon tolerence) equality
/// Approximate (absolute epsilon tolerance) equality
pub fn eql(e: *const @This(), actual: T) !void {
try e.eqlApprox(actual, math.eps(T.T));
}
/// Approximate (tolerence) equality
/// Approximate (absolute tolerance) equality
pub fn eqlApprox(e: *const @This(), actual: T, tolerance: T.T) !void {
var i: usize = 0;
while (i < T.n) : (i += 1) {
@ -155,7 +155,7 @@ fn Expect(comptime T: type) type {
/// Floats, mach.math.Vec, and mach.math.Mat types support:
///
/// * `.eql(v)` (epsilon equality)
/// * `.eqlApprox(v, tolerence)` (specific tolerence equality)
/// * `.eqlApprox(v, tolerance)` (specific tolerance equality)
/// * `.eqlBinary(v)` binary equality
///
/// All other types support only `.eql(v)` binary equality.