flatbuffers

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import { ValueType } from './value-type.js'
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export function isInline(value: ValueType): boolean {
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  return value === ValueType.BOOL
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    || value <= ValueType.FLOAT;
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}
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export function isNumber(value: ValueType): boolean {
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  return value >= ValueType.INT
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    && value <= ValueType.FLOAT;
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}
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export function isIndirectNumber(value: ValueType): boolean {
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  return value >= ValueType.INDIRECT_INT
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    && value <= ValueType.INDIRECT_FLOAT;
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}
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export function isTypedVectorElement(value: ValueType): boolean {
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  return value === ValueType.BOOL
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    || (value >= ValueType.INT
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      && value <= ValueType.STRING);
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}
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export function isTypedVector(value: ValueType): boolean {
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  return value === ValueType.VECTOR_BOOL
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    || (value >= ValueType.VECTOR_INT
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      && value <= ValueType.VECTOR_STRING_DEPRECATED);
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}
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export function isFixedTypedVector(value: ValueType): boolean {
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  return value >= ValueType.VECTOR_INT2
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    && value <= ValueType.VECTOR_FLOAT4;
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}
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export function isAVector(value: ValueType): boolean {
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  return isTypedVector(value)
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    || isFixedTypedVector(value)
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    || value === ValueType.VECTOR;
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}
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export function toTypedVector(valueType: ValueType, length: number): ValueType {
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  if (length === 0) return valueType - ValueType.INT + ValueType.VECTOR_INT;
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  if (length === 2) return valueType - ValueType.INT + ValueType.VECTOR_INT2;
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  if (length === 3) return valueType - ValueType.INT + ValueType.VECTOR_INT3;
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  if (length === 4) return valueType - ValueType.INT + ValueType.VECTOR_INT4;
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  throw "Unexpected length " + length;
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}
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export function typedVectorElementType(valueType: ValueType): ValueType {
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  return valueType - ValueType.VECTOR_INT + ValueType.INT;
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}
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export function fixedTypedVectorElementType(valueType: ValueType): ValueType {
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  return ((valueType - ValueType.VECTOR_INT2) % 3) + ValueType.INT;
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}
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export function fixedTypedVectorElementSize(valueType: ValueType): ValueType {
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  // The x / y >> 0 trick is to have an int division. Suppose to be faster than Math.floor()
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  return (((valueType - ValueType.VECTOR_INT2) / 3) >> 0) + 2;
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}
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export function packedType(valueType: ValueType, bitWidth: number): ValueType {
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  return bitWidth | (valueType << 2);
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}