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ruby/missing.h: M_PI fallback definition

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* include/ruby/missing.h (M_PI, M_PI_2): fallback definitions for
  VC6.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51313 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-07-21 10:51:40 +00:00
parent 6f869a57fe
commit 42e36319bd
3 changed files with 8 additions and 4 deletions
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2
complex.c
View File

@ -5,12 +5,12 @@
which is written in ruby. which is written in ruby.
*/ */
#include "internal.h"
#if defined _MSC_VER #if defined _MSC_VER
/* Microsoft Visual C does not define M_PI and others by default */ /* Microsoft Visual C does not define M_PI and others by default */
# define _USE_MATH_DEFINES 1 # define _USE_MATH_DEFINES 1
#endif #endif
#include <math.h> #include <math.h>
#include "internal.h"
#define NDEBUG #define NDEBUG
#include <assert.h> #include <assert.h>

7
include/ruby/missing.h
View File

@ -37,6 +37,13 @@ extern "C" {
#endif #endif
#endif #endif
#ifndef M_PI
# define M_PI 3.14159265358979323846
#endif
#ifndef M_PI_2
# define M_PI_2 (M_PI/2)
#endif
#ifndef RUBY_SYMBOL_EXPORT_BEGIN #ifndef RUBY_SYMBOL_EXPORT_BEGIN
# define RUBY_SYMBOL_EXPORT_BEGIN /* begin */ # define RUBY_SYMBOL_EXPORT_BEGIN /* begin */
# define RUBY_SYMBOL_EXPORT_END /* end */ # define RUBY_SYMBOL_EXPORT_END /* end */

3
math.c
View File

@ -106,9 +106,6 @@ num2dbl_with_to_f(VALUE num)
static VALUE static VALUE
math_atan2(VALUE obj, VALUE y, VALUE x) math_atan2(VALUE obj, VALUE y, VALUE x)
{ {
#ifndef M_PI
# define M_PI 3.14159265358979323846
#endif
double dx, dy; double dx, dy;
dx = Get_Double(x); dx = Get_Double(x);
dy = Get_Double(y); dy = Get_Double(y);