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export const description = `
Execution tests for the 'max' builtin function
S is AbstractInt, i32, or u32
T is S or vecN<S>
@const fn max(e1: T ,e2: T) -> T
Returns e2 if e1 is less than e2, and e1 otherwise. Component-wise when T is a vector.
S is AbstractFloat, f32, f16
T is vecN<S>
@const fn max(e1: T ,e2: T) -> T
Returns e2 if e1 is less than e2, and e1 otherwise.
If one operand is a NaN, the other is returned.
If both operands are NaNs, a NaN is returned.
Component-wise when T is a vector.
`;
import { makeTestGroup } from '../../../../../../common/framework/test_group.js';
import { GPUTest } from '../../../../../gpu_test.js';
import { i32, TypeF32, TypeI32, TypeU32, u32 } from '../../../../../util/conversion.js';
import { maxInterval } from '../../../../../util/f32_interval.js';
import { fullF32Range } from '../../../../../util/math.js';
import { makeCaseCache } from '../../case_cache.js';
import { allInputSources, Case, generateBinaryToF32IntervalCases, run } from '../../expression.js';
import { builtin } from './builtin.js';
/** Generate set of max test cases from list of interesting values */
function generateTestCases(
values: Array<number>,
makeCase: (x: number, y: number) => Case
): Array<Case> {
const cases = new Array<Case>();
values.forEach(e => {
values.forEach(f => {
cases.push(makeCase(e, f));
});
});
return cases;
}
export const g = makeTestGroup(GPUTest);
export const d = makeCaseCache('max', {
f32: () => {
return generateBinaryToF32IntervalCases(
fullF32Range(),
fullF32Range(),
'unfiltered',
maxInterval
);
},
});
g.test('abstract_int')
.specURL('https://www.w3.org/TR/WGSL/#integer-builtin-functions')
.desc(`abstract int tests`)
.params(u =>
u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const)
)
.unimplemented();
g.test('u32')
.specURL('https://www.w3.org/TR/WGSL/#integer-builtin-functions')
.desc(`u32 tests`)
.params(u =>
u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const)
)
.fn(async t => {
const makeCase = (x: number, y: number): Case => {
return { input: [u32(x), u32(y)], expected: u32(Math.max(x, y)) };
};
const test_values: Array<number> = [0, 1, 2, 0x70000000, 0x80000000, 0xffffffff];
const cases = generateTestCases(test_values, makeCase);
await run(t, builtin('max'), [TypeU32, TypeU32], TypeU32, t.params, cases);
});
g.test('i32')
.specURL('https://www.w3.org/TR/WGSL/#integer-builtin-functions')
.desc(`i32 tests`)
.params(u =>
u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const)
)
.fn(async t => {
const makeCase = (x: number, y: number): Case => {
return { input: [i32(x), i32(y)], expected: i32(Math.max(x, y)) };
};
const test_values: Array<number> = [-0x70000000, -2, -1, 0, 1, 2, 0x70000000];
const cases = generateTestCases(test_values, makeCase);
await run(t, builtin('max'), [TypeI32, TypeI32], TypeI32, t.params, cases);
});
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('max'), [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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