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export const description = `
Execution tests for the 'atan2' builtin function
S is AbstractFloat, f32, f16
T is S or vecN<S>
@const fn atan2(e1: T ,e2: T ) -> T
Returns the arc tangent of e1 over e2. Component-wise when T is a vector.
`;
import { makeTestGroup } from '../../../../../../common/framework/test_group.js';
import { GPUTest } from '../../../../../gpu_test.js';
import { kValue } from '../../../../../util/constants.js';
import { TypeF32 } from '../../../../../util/conversion.js';
import { atan2Interval } from '../../../../../util/f32_interval.js';
import { linearRange, sparseF32Range } from '../../../../../util/math.js';
import { makeCaseCache } from '../../case_cache.js';
import { allInputSources, generateBinaryToF32IntervalCases, run } from '../../expression.js';
import { builtin } from './builtin.js';
export const g = makeTestGroup(GPUTest);
export const d = makeCaseCache('atan2', {
f32: () => {
// Using sparse, since there a N^2 cases being generated, but including extra values around 0, since that is where
// there is a discontinuity that implementations tend to behave badly at.
const numeric_range = [
...sparseF32Range(),
...linearRange(kValue.f32.negative.max, kValue.f32.positive.min, 10),
];
return generateBinaryToF32IntervalCases(
numeric_range,
numeric_range,
'unfiltered',
atan2Interval
);
},
});
g.test('abstract_float')
.specURL('https://www.w3.org/TR/WGSL/#float-builtin-functions')
.desc(`abstract float tests`)
.params(u =>
u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const)
)
.unimplemented();
g.test('f32')
.specURL('https://www.w3.org/TR/WGSL/#float-builtin-functions')
.desc(
`
f32 tests
TODO(#792): Decide what the ground-truth is for these tests. [1]
`
)
.params(u =>
u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const)
)
.fn(async t => {
const cases = await d.get('f32');
await run(t, builtin('atan2'), [TypeF32, TypeF32], TypeF32, t.params, cases);
});
g.test('f16')
.specURL('https://www.w3.org/TR/WGSL/#float-builtin-functions')
.desc(`f16 tests`)
.params(u =>
u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const)
)
.unimplemented();
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