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This commit is contained in:
Alexei Podtelezhnikov 2014-08-21 23:44:44 -04:00
parent 986885965a
commit 5bb5750f98
1 changed files with 26 additions and 26 deletions
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52
include/internal/ftcalc.h
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@ -4,7 +4,7 @@
/* */
/* Arithmetic computations (specification). */
/* */
/* Copyright 1996-2006, 2008, 2009, 2012-2013 by */
/* Copyright 1996-2006, 2008, 2009, 2012-2014 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -27,31 +27,6 @@
FT_BEGIN_HEADER
#if 0
/*************************************************************************/
/* */
/* <Function> */
/* FT_SqrtFixed */
/* */
/* <Description> */
/* Computes the square root of a 16.16 fixed-point value. */
/* */
/* <Input> */
/* x :: The value to compute the root for. */
/* */
/* <Return> */
/* The result of `sqrt(x)'. */
/* */
/* <Note> */
/* This function is not very fast. */
/* */
FT_BASE( FT_Int32 )
FT_SqrtFixed( FT_Int32 x );
#endif /* 0 */
/*************************************************************************/
/* */
/* FT_MulDiv() and FT_MulFix() are declared in freetype.h. */
@ -387,6 +362,31 @@ FT_BEGIN_HEADER
FT_Fixed y );
#if 0
/*************************************************************************/
/* */
/* <Function> */
/* FT_SqrtFixed */
/* */
/* <Description> */
/* Computes the square root of a 16.16 fixed-point value. */
/* */
/* <Input> */
/* x :: The value to compute the root for. */
/* */
/* <Return> */
/* The result of `sqrt(x)'. */
/* */
/* <Note> */
/* This function is not very fast. */
/* */
FT_BASE( FT_Int32 )
FT_SqrtFixed( FT_Int32 x );
#endif /* 0 */
#define INT_TO_F26DOT6( x ) ( (FT_Long)(x) << 6 )
#define INT_TO_F2DOT14( x ) ( (FT_Long)(x) << 14 )
#define INT_TO_FIXED( x ) ( (FT_Long)(x) << 16 )