1d339653d5
- Add VariableSpec class with magnitude field validation - Add Formula class supporting multiple input/output variables - Support d4rt_code as string or object with code field - Add comprehensive tests for parsing and serialization - Fix broken test import in pruebas_d4rt_test.dart Follows README.md format requirements exactly
22 lines
748 B
Dart
22 lines
748 B
Dart
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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/// A bitmask that limits an integer to 32 bits.
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const mask32 = 0xFFFFFFFF;
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/// The number of bits in a byte.
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const bitsPerByte = 8;
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/// The number of bytes in a 32-bit word.
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const bytesPerWord = 4;
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/// Adds [x] and [y] with 32-bit overflow semantics.
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int add32(int x, int y) => (x + y) & mask32;
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/// Bitwise rotates [val] to the left by [shift], obeying 32-bit overflow
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/// semantics.
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int rotl32(int val, int shift) {
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var modShift = shift & 31;
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return ((val << modShift) & mask32) | ((val & mask32) >> (32 - modShift));
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}
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