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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_INCLUDE_FXCRT_FX_EXT_H_
#define CORE_INCLUDE_FXCRT_FX_EXT_H_
#include "fx_system.h"
#ifdef __cplusplus
extern "C" {
#endif
FX_FLOAT FXSYS_tan(FX_FLOAT a);
FX_FLOAT FXSYS_logb(FX_FLOAT b, FX_FLOAT x);
FX_FLOAT FXSYS_strtof(const FX_CHAR* pcsStr, int32_t iLength = -1, int32_t *pUsedLen = NULL);
FX_FLOAT FXSYS_wcstof(const FX_WCHAR* pwsStr, int32_t iLength = -1, int32_t *pUsedLen = NULL);
FX_WCHAR* FXSYS_wcsncpy(FX_WCHAR* dstStr, const FX_WCHAR* srcStr, size_t count);
int32_t FXSYS_wcsnicmp(const FX_WCHAR* s1, const FX_WCHAR* s2, size_t count);
int32_t FXSYS_strnicmp(const FX_CHAR* s1, const FX_CHAR* s2, size_t count);
inline FX_BOOL FXSYS_islower(int32_t ch)
{
return ch >= 'a' && ch <= 'z';
}
inline FX_BOOL FXSYS_isupper(int32_t ch)
{
return ch >= 'A' && ch <= 'Z';
}
inline int32_t FXSYS_tolower(int32_t ch)
{
return ch < 'A' || ch > 'Z' ? ch : (ch + 0x20);
}
inline int32_t FXSYS_toupper(int32_t ch)
{
return ch < 'a' || ch > 'z' ? ch : (ch - 0x20);
}
FX_DWORD FX_HashCode_String_GetA(const FX_CHAR* pStr, int32_t iLength, FX_BOOL bIgnoreCase = FALSE);
FX_DWORD FX_HashCode_String_GetW(const FX_WCHAR* pStr, int32_t iLength, FX_BOOL bIgnoreCase = FALSE);
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
extern "C" {
#endif
void* FX_Random_MT_Start(FX_DWORD dwSeed);
FX_DWORD FX_Random_MT_Generate(void* pContext);
void FX_Random_MT_Close(void* pContext);
void FX_Random_GenerateBase(FX_DWORD* pBuffer, int32_t iCount);
void FX_Random_GenerateMT(FX_DWORD* pBuffer, int32_t iCount);
void FX_Random_GenerateCrypto(FX_DWORD* pBuffer, int32_t iCount);
#ifdef __cplusplus
}
#endif
template<class baseType>
class CFX_SSortTemplate
{
public:
void ShellSort(baseType *pArray, int32_t iCount)
{
FXSYS_assert(pArray != NULL && iCount > 0);
int32_t i, j, gap;
baseType v1, v2;
gap = iCount >> 1;
while (gap > 0) {
for (i = gap; i < iCount; i ++) {
j = i - gap;
v1 = pArray[i];
while (j > -1 && (v2 = pArray[j]) > v1) {
pArray[j + gap] = v2;
j -= gap;
}
pArray[j + gap] = v1;
}
gap >>= 1;
}
}
};
#endif // CORE_INCLUDE_FXCRT_FX_EXT_H_
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