Glen Whitney
27fa4b0193
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This PR adds a boolean section, as well as an isNaN predicate on numbers. In a TypeDispatcher, when BooleanT is present, isNaN returns a BooleanT. However, in a numbers-only TypeDispatcher, it returns 1 or 0 instead. Moreover, when booleans are subsequently added to a numbers-only instance, isNaN properly reconfigures itself to return BooleanT. No predicates that depend on approximate equality testing or a configuration object are implemented in this PR. This PR also implements type matching and dispatching with implicit conversions, and adds an implicit conversion from BooleanT to NumberT. Reviewed-on: #17 Co-authored-by: Glen Whitney <glen@studioinfinity.org> Co-committed-by: Glen Whitney <glen@studioinfinity.org>
13 lines
386 B
JavaScript
13 lines
386 B
JavaScript
import assert from 'assert'
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import math from '#nanomath'
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describe('number utilities', () => {
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it('clones a number', () => {
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assert.strictEqual(math.clone(2.637), 2.637)
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})
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it('tests if a number is NaN', () => {
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assert.strictEqual(math.isnan(NaN), true)
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assert.strictEqual(math.isnan(Infinity), false)
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assert.strictEqual(math.isnan(43), false)
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})
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})
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