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include: drop c99_math.h

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Since we now depend on C11, we know that we have support for the C99
math functionality. So let's drop the c99_math.h compatibility wrapper,
and just include <math.h> directly.

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Alyssa Rosenzweig <alyssa@collabora.com>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16812>
This commit is contained in:
Erik Faye-Lund 2022-06-01 14:46:46 +02:00 committed by Marge Bot
parent 6ed10a99bd
commit 18246ed06a
12 changed files with 13 additions and 223 deletions
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210
include/c99_math.h
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@ -1,210 +0,0 @@
/**************************************************************************
*
* 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>
/* This is to ensure that we get M_PI, etc. definitions */
#if defined(_MSC_VER) && !defined(_USE_MATH_DEFINES)
#error _USE_MATH_DEFINES define required when building with MSVC
#endif
#if !defined(_MSC_VER) && \
__STDC_VERSION__ < 199901L && \
(!defined(_XOPEN_SOURCE) || _XOPEN_SOURCE < 600) && \
!defined(__cplusplus)
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;
}
static inline float
exp2f(float f)
{
return powf(2.0f, f);
}
static inline double
exp2(double d)
{
return pow(2.0, d);
}
#endif /* C99 */
/*
* signbit() is a macro on Linux. Not available on Windows.
*/
#ifndef signbit
#define signbit(x) ((x) < 0.0f)
#endif
#ifndef M_PI
#define M_PI (3.14159265358979323846)
#endif
#ifndef M_E
#define M_E (2.7182818284590452354)
#endif
#ifndef M_LOG2E
#define M_LOG2E (1.4426950408889634074)
#endif
#ifndef FLT_MAX_EXP
#define FLT_MAX_EXP 128
#endif
#if defined(fpclassify)
/* ISO C99 says that fpclassify is a macro. Assume that any implementation
* of fpclassify, whether it's in a C99 compiler or not, will be a macro.
*/
#elif defined(__cplusplus)
/* For C++, fpclassify() should be defined in <cmath> */
#elif defined(_MSC_VER)
/* Not required on VS2013 and above. Oddly, the fpclassify() function
* doesn't exist in such a form on MSVC. This is an implementation using
* slightly different lower-level Windows functions.
*/
#include <float.h>
static inline enum {FP_NAN, FP_INFINITE, FP_ZERO, FP_SUBNORMAL, FP_NORMAL}
fpclassify(double x)
{
switch(_fpclass(x)) {
case _FPCLASS_SNAN: /* signaling NaN */
case _FPCLASS_QNAN: /* quiet NaN */
return FP_NAN;
case _FPCLASS_NINF: /* negative infinity */
case _FPCLASS_PINF: /* positive infinity */
return FP_INFINITE;
case _FPCLASS_NN: /* negative normal */
case _FPCLASS_PN: /* positive normal */
return FP_NORMAL;
case _FPCLASS_ND: /* negative denormalized */
case _FPCLASS_PD: /* positive denormalized */
return FP_SUBNORMAL;
case _FPCLASS_NZ: /* negative zero */
case _FPCLASS_PZ: /* positive zero */
return FP_ZERO;
default:
/* Should never get here; but if we do, this will guarantee
* that the pattern is not treated like a number.
*/
return FP_NAN;
}
}
#else
#error "Need to include or define an fpclassify function"
#endif
/* Since C++11, the following functions are part of the std namespace. Their C
* counteparts should still exist in the global namespace, however cmath
* undefines those functions, which in glibc 2.23, are defined as macros rather
* than functions as in glibc 2.22.
*/
#if __cplusplus >= 201103L && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 23))
#include <cmath>
using std::fpclassify;
using std::isfinite;
using std::isinf;
using std::isnan;
using std::isnormal;
using std::signbit;
using std::isgreater;
using std::isgreaterequal;
using std::isless;
using std::islessequal;
using std::islessgreater;
using std::isunordered;
#endif
#endif /* #define _C99_MATH_H_ */

3
src/compiler/glsl/lower_instructions.cpp
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@ -106,7 +106,6 @@
* Converts double trunc, ceil, floor, round to fract
*/
#include "c99_math.h"
#include "program/prog_instruction.h" /* for swizzle */
#include "compiler/glsl_types.h"
#include "ir.h"
@ -114,6 +113,8 @@
#include "ir_optimization.h"
#include "util/half_float.h"
#include <math.h>
using namespace ir_builder;
namespace {

2
src/compiler/nir/nir_lower_double_ops.c
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@ -24,8 +24,8 @@
#include "nir.h"
#include "nir_builder.h"
#include "c99_math.h"
#include <math.h>
#include <float.h>
/*

2
src/mesa/main/light.c
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@ -24,7 +24,6 @@
*/
#include "c99_math.h"
#include "glheader.h"
#include "context.h"
#include "enums.h"
@ -35,6 +34,7 @@
#include "util/bitscan.h"
#include "api_exec_decl.h"
#include <math.h>
void GLAPIENTRY
_mesa_ShadeModel( GLenum mode )

2
src/mesa/main/pixel.c
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@ -28,7 +28,6 @@
* Pixel transfer functions (glPixelZoom, glPixelMap, glPixelTransfer)
*/
#include "c99_math.h"
#include "glheader.h"
#include "bufferobj.h"
#include "context.h"
@ -38,6 +37,7 @@
#include "mtypes.h"
#include "api_exec_decl.h"
#include <math.h>
/**********************************************************************/
/***** glPixelZoom *****/

3
src/mesa/main/querymatrix.c
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@ -13,7 +13,8 @@
#include <stdlib.h>
#include "c99_math.h"
#include <math.h>
#include "glheader.h"
#include "main/get.h"
#include "util/macros.h"

2
src/mesa/math/m_debug_norm.c
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@ -26,7 +26,6 @@
* Gareth Hughes
*/
#include "c99_math.h"
#include "main/glheader.h"
#include "main/context.h"
#include "main/macros.h"
@ -37,6 +36,7 @@
#include "m_debug.h"
#include "m_debug_util.h"
#include <math.h>
#ifdef __UNIXOS2__
/* The linker doesn't like empty files */

2
src/mesa/math/m_debug_util.h
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@ -32,7 +32,7 @@
#ifdef DEBUG_MATH /* This code only used for debugging */
#include "c99_math.h"
#include <math.h>
/* Comment this out to deactivate the cycle counter.

2
src/mesa/math/m_matrix.c
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@ -34,8 +34,8 @@
*/
#include <stddef.h>
#include <math.h>
#include "c99_math.h"
#include "main/errors.h"
#include "main/glheader.h"
#include "main/macros.h"

3
src/util/format_rgb9e5.h
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@ -29,8 +29,7 @@
#include <assert.h>
#include <stdint.h>
#include "c99_math.h"
#include <math.h>
#define RGB9E5_EXPONENT_BITS 5
#define RGB9E5_MANTISSA_BITS 9

3
src/util/rounding.h
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@ -24,10 +24,9 @@
#ifndef _ROUNDING_H
#define _ROUNDING_H
#include "c99_math.h"
#include <limits.h>
#include <stdint.h>
#include <math.h>
#if defined(__SSE__) || (defined(_M_IX86_FP) && (_M_IX86_FP >= 1)) || (defined(_M_X64) && !defined(_M_ARM64EC))
#include <xmmintrin.h>

2
src/util/u_math.h
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@ -40,10 +40,10 @@
#include "c99_compat.h"
#include "c99_math.h"
#include <assert.h>
#include <float.h>
#include <stdarg.h>
#include <math.h>
#include "bitscan.h"
#include "u_endian.h" /* for UTIL_ARCH_BIG_ENDIAN */