1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 /* 19 20 Pathname: pv_sqrt.h 21 22 ------------------------------------------------------------------------------ 23 REVISION HISTORY 24 25 Who: Date: 26 Description: 27 ------------------------------------------------------------------------------ 28 INCLUDE DESCRIPTION 29 30 ------------------------------------------------------------------------------ 31 */ 32 33 #ifndef PV_SQRT_H 34 #define PV_SQRT_H 35 36 #ifdef __cplusplus 37 extern "C" 38 { 39 #endif 40 41 /*---------------------------------------------------------------------------- 42 ; INCLUDES 43 ----------------------------------------------------------------------------*/ 44 45 #include "pv_audio_type_defs.h" 46 47 /*---------------------------------------------------------------------------- 48 ; MACROS 49 ; Define module specific macros here 50 ----------------------------------------------------------------------------*/ 51 52 /*---------------------------------------------------------------------------- 53 ; EXTERNAL VARIABLES REFERENCES 54 ----------------------------------------------------------------------------*/ 55 56 /*---------------------------------------------------------------------------- 57 ; DEFINES AND SIMPLE TYPEDEF'S 58 ----------------------------------------------------------------------------*/ 59 60 struct intg_sqrt 61 { 62 Int32 root; 63 Int32 shift_factor; 64 }; 65 typedef struct intg_sqrt Root_sq; 66 67 void pv_sqrt(Int32 man, Int32 exp, Root_sq *result, Int32 *sqrt_cache); 68 69 70 #ifdef __cplusplus 71 } 72 #endif 73 74 #endif /* PV_SQRT_H */ 75
