34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/*
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** Copyright 2003-2010, VisualOn, Inc.
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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/***********************************************************************
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* File: random.c *
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* *
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* Description: Signed 16 bits random generator *
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* *
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************************************************************************/
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#include "typedef.h"
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#include "basic_op.h"
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Word16 Random(Word16 * seed)
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{
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/* static Word16 seed = 21845; */
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*seed = (Word16)(L_add((L_mult(*seed, 31821) >> 1), 13849L));
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return (*seed);
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}
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