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math.c: remove needless ifdef clause

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* math.c (ifdef M_PI): M_PI is eventually defined in missing.h even if math.h
  doesn't supply it.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56810 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mrkn 2016-11-16 04:25:37 +00:00
parent affa0f845c
commit 558c362f60
1 changed files with 0 additions and 4 deletions
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4
math.c
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@ -989,12 +989,8 @@ InitVM_Math(void)
rb_mMath = rb_define_module("Math");
rb_eMathDomainError = rb_define_class_under(rb_mMath, "DomainError", rb_eStandardError);
#ifdef M_PI
/* Definition of the mathematical constant PI as a Float number. */
rb_define_const(rb_mMath, "PI", DBL2NUM(M_PI));
#else
rb_define_const(rb_mMath, "PI", DBL2NUM(atan(1.0)*4.0));
#endif
#ifdef M_E
/* Definition of the mathematical constant E (e) as a Float number. */