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added FREXPF() macro (bug 4060)

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Brian Paul
2005-08-12 18:56:56 +00:00
parent f2876d1ee3
commit 6fe7a0dc01
3 changed files with 10 additions and 9 deletions
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5
src/mesa/main/imports.h
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@@ -331,23 +331,28 @@ static INLINE int GET_FLOAT_BITS( float x )
*** CEILF: ceiling of float
*** FLOORF: floor of float
*** FABSF: absolute value of float
*** LDEXPF: multiply value by an integral power of two
*** FREXPF: extract mantissa and exponent from value
***/
#if defined(XFree86LOADER) && defined(IN_MODULE)
#define CEILF(x) ((GLfloat) xf86ceil(x))
#define FLOORF(x) ((GLfloat) xf86floor(x))
#define FABSF(x) ((GLfloat) xf86fabs(x))
#define LDEXPF(x,y) ((GLfloat) xf86ldexp(x,y))
#define FREXPF(x,y) ((GLfloat) xf86frexp(x,y))
#elif defined(__gnu_linux__)
/* C99 functions */
#define CEILF(x) ceilf(x)
#define FLOORF(x) floorf(x)
#define FABSF(x) fabsf(x)
#define LDEXPF(x,y) ldexpf(x,y)
#define FREXPF(x,y) frexpf(x,y)
#else
#define CEILF(x) ((GLfloat) ceil(x))
#define FLOORF(x) ((GLfloat) floor(x))
#define FABSF(x) ((GLfloat) fabs(x))
#define LDEXPF(x,y) ((GLfloat) ldexp(x,y))
#define FREXPF(x,y) ((GLfloat) frexp(x,y))
#endif

6
src/mesa/math/m_debug_util.h
View File

@@ -286,9 +286,9 @@ static int significand_match( GLfloat a, GLfloat b )
return 0;
}
frexp( a, &a_ex );
frexp( b, &b_ex );
frexp( d, &d_ex );
FREXPF( a, &a_ex );
FREXPF( b, &b_ex );
FREXPF( d, &d_ex );
if ( a_ex < b_ex ) {
return a_ex - d_ex;

8
src/mesa/tnl/t_vb_arbprogram.c
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@@ -2,7 +2,7 @@
* Mesa 3-D graphics library
* Version: 6.3
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -351,11 +351,7 @@ static void do_LOG( struct arb_vp_machine *m, union instruction op )
const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0];
GLfloat tmp = FABSF(arg0[0]);
int exponent;
#ifdef _WIN32
GLfloat mantissa = (GLfloat) frexp((double)tmp, &exponent);
#else
GLfloat mantissa = frexpf(tmp, &exponent);
#endif
GLfloat mantissa = FREXPF(tmp, &exponent);
result[0] = (GLfloat) (exponent - 1);
result[1] = 2.0 * mantissa; /* map [.5, 1) -> [1, 2) */