27 lines
759 B
C++
27 lines
759 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Code on Windows expects to be able to do:
|
|
//
|
|
// #define _USE_MATH_DEFINES
|
|
// #include <math.h>
|
|
//
|
|
// and receive the definitions of mathematical constants, even if <math.h>
|
|
// has previously been included. Make sure that works.
|
|
//
|
|
|
|
#ifdef _MSC_VER
|
|
# include <math.h>
|
|
# define _USE_MATH_DEFINES
|
|
# include <math.h>
|
|
|
|
# ifndef M_PI
|
|
# error M_PI not defined
|
|
# endif
|
|
#endif
|