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export const description = `
Execution tests for the 'length' builtin function
S is AbstractFloat, f32, f16
T is S or vecN<S>
@const fn length(e: T ) -> f32
Returns the length of e (e.g. abs(e) if T is a scalar, or sqrt(e[0]^2 + e[1]^2 + ...) if T is a vector).
`;
import { makeTestGroup } from '../../../../../../common/framework/test_group.js';
import { GPUTest } from '../../../../../gpu_test.js';
import { TypeF32, TypeVec } from '../../../../../util/conversion.js';
import { lengthInterval } from '../../../../../util/f32_interval.js';
import { fullF32Range, vectorF32Range } from '../../../../../util/math.js';
import { makeCaseCache } from '../../case_cache.js';
import {
allInputSources,
generateUnaryToF32IntervalCases,
generateVectorToF32IntervalCases,
run,
} from '../../expression.js';
import { builtin } from './builtin.js';
export const g = makeTestGroup(GPUTest);
export const d = makeCaseCache('length', {
f32: () => {
return generateUnaryToF32IntervalCases(fullF32Range(), 'unfiltered', lengthInterval);
},
f32_vec2_const: () => {
return generateVectorToF32IntervalCases(vectorF32Range(2), 'f32-only', lengthInterval);
},
f32_vec2_non_const: () => {
return generateVectorToF32IntervalCases(vectorF32Range(2), 'unfiltered', lengthInterval);
},
f32_vec3_const: () => {
return generateVectorToF32IntervalCases(vectorF32Range(3), 'f32-only', lengthInterval);
},
f32_vec3_non_const: () => {
return generateVectorToF32IntervalCases(vectorF32Range(3), 'unfiltered', lengthInterval);
},
f32_vec4_const: () => {
return generateVectorToF32IntervalCases(vectorF32Range(4), 'f32-only', lengthInterval);
},
f32_vec4_non_const: () => {
return generateVectorToF32IntervalCases(vectorF32Range(4), 'unfiltered', lengthInterval);
},
});
g.test('abstract_float')
.specURL('https://www.w3.org/TR/WGSL/#numeric-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/#numeric-builtin-functions')
.desc(`f32 tests`)
.params(u => u.combine('inputSource', allInputSources))
.fn(async t => {
const cases = await d.get('f32');
await run(t, builtin('length'), [TypeF32], TypeF32, t.params, cases);
});
g.test('f32_vec2')
.specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
.desc(`f32 tests using vec2s`)
.params(u => u.combine('inputSource', allInputSources))
.fn(async t => {
const cases = await d.get(
t.params.inputSource === 'const' ? 'f32_vec2_const' : 'f32_vec2_non_const'
);
await run(t, builtin('length'), [TypeVec(2, TypeF32)], TypeF32, t.params, cases);
});
g.test('f32_vec3')
.specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
.desc(`f32 tests using vec3s`)
.params(u => u.combine('inputSource', allInputSources))
.fn(async t => {
const cases = await d.get(
t.params.inputSource === 'const' ? 'f32_vec3_const' : 'f32_vec3_non_const'
);
await run(t, builtin('length'), [TypeVec(3, TypeF32)], TypeF32, t.params, cases);
});
g.test('f32_vec4')
.specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
.desc(`f32 tests using vec4s`)
.params(u => u.combine('inputSource', allInputSources))
.fn(async t => {
const cases = await d.get(
t.params.inputSource === 'const' ? 'f32_vec4_const' : 'f32_vec4_non_const'
);
await run(t, builtin('length'), [TypeVec(4, TypeF32)], TypeF32, t.params, cases);
});
g.test('f16')
.specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
.desc(`f16 tests`)
.params(u =>
u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const)
)
.unimplemented();
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