73 lines
2.7 KiB
Plaintext
73 lines
2.7 KiB
Plaintext
// Filename: checksumHashGenerator.I
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// Created by: drose (14May01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: ChecksumHashGenerator::add_int
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// Access: Public
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// Description: Adds another integer to the hash so far. This
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// function should be overridden in base classes; this
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// is the principle implementation of the HashGenerator.
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////////////////////////////////////////////////////////////////////
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INLINE void ChecksumHashGenerator::
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add_int(long sum) {
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_hash += (size_t)sum;
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}
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////////////////////////////////////////////////////////////////////
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// Function: ChecksumHashGenerator::add_bool
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// Access: Public
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// Description: Adds a boolean flag.
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////////////////////////////////////////////////////////////////////
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INLINE void ChecksumHashGenerator::
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add_bool(bool flag) {
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add_int(flag);
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}
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////////////////////////////////////////////////////////////////////
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// Function: ChecksumHashGenerator::add_fp
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// Access: Public
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// Description: Adds a floating-point number, first converting it to
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// fixed point by dividing it by the indicated
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// threshold.
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////////////////////////////////////////////////////////////////////
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INLINE void ChecksumHashGenerator::
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add_fp(float number, float threshold) {
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add_int((long)(number / threshold));
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}
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////////////////////////////////////////////////////////////////////
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// Function: ChecksumHashGenerator::add_fp
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// Access: Public
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// Description: Adds a floating-point number, first converting it to
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// fixed point by dividing it by the indicated
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// threshold.
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////////////////////////////////////////////////////////////////////
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INLINE void ChecksumHashGenerator::
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add_fp(double number, double threshold) {
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add_int((long)(number / threshold));
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}
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////////////////////////////////////////////////////////////////////
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// Function: ChecksumHashGenerator::add_pointer
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// Access: Public
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// Description: Adds a pointer, derived simply by casting the pointer
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// to an integer. This should be good enough even on
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// architectures for which this cast is lossy.
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////////////////////////////////////////////////////////////////////
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INLINE void ChecksumHashGenerator::
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add_pointer(void *ptr) {
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add_int((long)ptr);
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}
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