Mesa (master): mesa: move math-related function into new c99_math.h file
Brian Paul
brianp at kemper.freedesktop.org
Mon Feb 23 21:46:26 UTC 2015
Module: Mesa
Branch: master
Commit: cbd287f094b4bd7a6030edf97f5330b4c3fa9a5c
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=cbd287f094b4bd7a6030edf97f5330b4c3fa9a5c
Author: Brian Paul <brianp at vmware.com>
Date: Mon Feb 23 13:33:50 2015 -0700
mesa: move math-related function into new c99_math.h file
The alternative would be to include math.h in c99_compat.h but that
seems heavy-handed.
This patch also replaces INLINE with inline in the c99 math function
wrappers.
Fixes MSVC build.
Acked-by: Matt Turner <mattst88 at gmail.com>
---
include/c99_compat.h | 143 ---------------------------
include/c99_math.h | 184 +++++++++++++++++++++++++++++++++++
src/gallium/auxiliary/util/u_math.h | 2 +-
3 files changed, 185 insertions(+), 144 deletions(-)
diff --git a/include/c99_compat.h b/include/c99_compat.h
index 5852015..e5d0ae4 100644
--- a/include/c99_compat.h
+++ b/include/c99_compat.h
@@ -138,147 +138,4 @@ test_c99_compat_h(const void * restrict a,
#endif
-#if defined(_MSC_VER)
-
-#if _MSC_VER < 1400 && !defined(__cplusplus)
-
-static INLINE float cosf( float f )
-{
- return (float) cos( (double) f );
-}
-
-static INLINE float sinf( float f )
-{
- return (float) sin( (double) f );
-}
-
-static INLINE float ceilf( float f )
-{
- return (float) ceil( (double) f );
-}
-
-static INLINE float floorf( float f )
-{
- return (float) floor( (double) f );
-}
-
-static INLINE float powf( float f, float g )
-{
- return (float) pow( (double) f, (double) g );
-}
-
-static INLINE float sqrtf( float f )
-{
- return (float) sqrt( (double) f );
-}
-
-static INLINE float fabsf( float f )
-{
- return (float) fabs( (double) f );
-}
-
-static INLINE float logf( float f )
-{
- return (float) log( (double) f );
-}
-
-#else
-/* Work-around an extra semi-colon in VS 2005 logf definition */
-#ifdef logf
-#undef logf
-#define logf(x) ((float)log((double)(x)))
-#endif /* logf */
-
-#if _MSC_VER < 1800
-#define isfinite(x) _finite((double)(x))
-#define isnan(x) _isnan((double)(x))
-#endif /* _MSC_VER < 1800 */
-#endif /* _MSC_VER < 1400 && !defined(__cplusplus) */
-
-#if _MSC_VER < 1800
-static INLINE double log2( double x )
-{
- const double invln2 = 1.442695041;
- return log( x ) * invln2;
-}
-
-static INLINE double
-round(double x)
-{
- return x >= 0.0 ? floor(x + 0.5) : ceil(x - 0.5);
-}
-
-static INLINE float
-roundf(float x)
-{
- return x >= 0.0f ? floorf(x + 0.5f) : ceilf(x - 0.5f);
-}
-#endif
-
-#ifndef INFINITY
-#define INFINITY (DBL_MAX + DBL_MAX)
-#endif
-
-#ifndef NAN
-#define NAN (INFINITY - INFINITY)
-#endif
-
-#endif /* _MSC_VER */
-
-
-#if __STDC_VERSION__ < 199901L && (!defined(__cplusplus) || defined(_MSC_VER))
-static INLINE long int
-lrint(double d)
-{
- long int rounded = (long int)(d + 0.5);
-
- if (d - floor(d) == 0.5) {
- if (rounded % 2 != 0)
- rounded += (d > 0) ? -1 : 1;
- }
-
- return rounded;
-}
-
-static INLINE long int
-lrintf(float f)
-{
- long int rounded = (long int)(f + 0.5f);
-
- if (f - floorf(f) == 0.5f) {
- if (rounded % 2 != 0)
- rounded += (f > 0) ? -1 : 1;
- }
-
- return rounded;
-}
-
-static INLINE long long int
-llrint(double d)
-{
- long long int rounded = (long long int)(d + 0.5);
-
- if (d - floor(d) == 0.5) {
- if (rounded % 2 != 0)
- rounded += (d > 0) ? -1 : 1;
- }
-
- return rounded;
-}
-
-static INLINE long long int
-llrintf(float f)
-{
- long long int rounded = (long long int)(f + 0.5f);
-
- if (f - floorf(f) == 0.5f) {
- if (rounded % 2 != 0)
- rounded += (f > 0) ? -1 : 1;
- }
-
- return rounded;
-}
-#endif /* C99 */
-
-
#endif /* _C99_COMPAT_H_ */
diff --git a/include/c99_math.h b/include/c99_math.h
new file mode 100644
index 0000000..6680f54
--- /dev/null
+++ b/include/c99_math.h
@@ -0,0 +1,184 @@
+/**************************************************************************
+ *
+ * Copyright 2007-2015 VMware, Inc.
+ * 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"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * Wrapper for math.h which makes sure we have definitions of all the c99
+ * functions.
+ */
+
+
+#ifndef _C99_MATH_H_
+#define _C99_MATH_H_
+
+#include <math.h>
+#include "c99_compat.h"
+
+
+#if defined(_MSC_VER)
+
+#if _MSC_VER < 1400 && !defined(__cplusplus)
+
+static inline float cosf( float f )
+{
+ return (float) cos( (double) f );
+}
+
+static inline float sinf( float f )
+{
+ return (float) sin( (double) f );
+}
+
+static inline float ceilf( float f )
+{
+ return (float) ceil( (double) f );
+}
+
+static inline float floorf( float f )
+{
+ return (float) floor( (double) f );
+}
+
+static inline float powf( float f, float g )
+{
+ return (float) pow( (double) f, (double) g );
+}
+
+static inline float sqrtf( float f )
+{
+ return (float) sqrt( (double) f );
+}
+
+static inline float fabsf( float f )
+{
+ return (float) fabs( (double) f );
+}
+
+static inline float logf( float f )
+{
+ return (float) log( (double) f );
+}
+
+#else
+/* Work-around an extra semi-colon in VS 2005 logf definition */
+#ifdef logf
+#undef logf
+#define logf(x) ((float)log((double)(x)))
+#endif /* logf */
+
+#if _MSC_VER < 1800
+#define isfinite(x) _finite((double)(x))
+#define isnan(x) _isnan((double)(x))
+#endif /* _MSC_VER < 1800 */
+#endif /* _MSC_VER < 1400 && !defined(__cplusplus) */
+
+#if _MSC_VER < 1800
+static inline double log2( double x )
+{
+ const double invln2 = 1.442695041;
+ return log( x ) * invln2;
+}
+
+static inline double
+round(double x)
+{
+ return x >= 0.0 ? floor(x + 0.5) : ceil(x - 0.5);
+}
+
+static inline float
+roundf(float x)
+{
+ return x >= 0.0f ? floorf(x + 0.5f) : ceilf(x - 0.5f);
+}
+#endif
+
+#ifndef INFINITY
+#define INFINITY (DBL_MAX + DBL_MAX)
+#endif
+
+#ifndef NAN
+#define NAN (INFINITY - INFINITY)
+#endif
+
+#endif /* _MSC_VER */
+
+
+#if __STDC_VERSION__ < 199901L && (!defined(__cplusplus) || defined(_MSC_VER))
+static inline long int
+lrint(double d)
+{
+ long int rounded = (long int)(d + 0.5);
+
+ if (d - floor(d) == 0.5) {
+ if (rounded % 2 != 0)
+ rounded += (d > 0) ? -1 : 1;
+ }
+
+ return rounded;
+}
+
+static inline long int
+lrintf(float f)
+{
+ long int rounded = (long int)(f + 0.5f);
+
+ if (f - floorf(f) == 0.5f) {
+ if (rounded % 2 != 0)
+ rounded += (f > 0) ? -1 : 1;
+ }
+
+ return rounded;
+}
+
+static inline long long int
+llrint(double d)
+{
+ long long int rounded = (long long int)(d + 0.5);
+
+ if (d - floor(d) == 0.5) {
+ if (rounded % 2 != 0)
+ rounded += (d > 0) ? -1 : 1;
+ }
+
+ return rounded;
+}
+
+static inline long long int
+llrintf(float f)
+{
+ long long int rounded = (long long int)(f + 0.5f);
+
+ if (f - floorf(f) == 0.5f) {
+ if (rounded % 2 != 0)
+ rounded += (f > 0) ? -1 : 1;
+ }
+
+ return rounded;
+}
+#endif /* C99 */
+
+
+#endif /* #define _C99_MATH_H_ */
diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h
index 1e1bdf0..b4a65e4 100644
--- a/src/gallium/auxiliary/util/u_math.h
+++ b/src/gallium/auxiliary/util/u_math.h
@@ -47,7 +47,7 @@ extern "C" {
#endif
-#include <math.h>
+#include "c99_math.h"
#include <float.h>
#include <stdarg.h>
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