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export const description = `
Execution tests for the 'round' builtin function
S is AbstractFloat, f32, f16
T is S or vecN<S>
@const fn round(e: T) -> T
Result is the integer k nearest to e, as a floating point value.
When e lies halfway between integers k and k+1, the result is k when k is even,
and k+1 when k is odd.
Component-wise when T is a vector.
`;
import { makeTestGroup } from '../../../../../../common/framework/test_group.js';
import { GPUTest } from '../../../../../gpu_test.js';
import { TypeF32 } from '../../../../../util/conversion.js';
import { roundInterval } from '../../../../../util/f32_interval.js';
import { fullF32Range } from '../../../../../util/math.js';
import { makeCaseCache } from '../../case_cache.js';
import { allInputSources, generateUnaryToF32IntervalCases, run } from '../../expression.js';
import { builtin } from './builtin.js';
export const g = makeTestGroup(GPUTest);
export const d = makeCaseCache('round', {
f32: () => {
return generateUnaryToF32IntervalCases(fullF32Range(), 'unfiltered', roundInterval);
},
});
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`)
.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('round'), [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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