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make the definition of _Complex_I explicitly complex

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it's unclear whether compilers which provide pure imaginary types
might produce a pure imaginary expression for 1.0fi. using 0.0f+1.0fi
ensures that the result is explicitly complex and makes this obvious
to human readers too.
This commit is contained in:
Rich Felker 2014-12-17 16:47:34 -05:00
parent 4075af4318
commit a9c2294eef
1 changed files with 2 additions and 2 deletions
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4
include/complex.h
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@ -7,9 +7,9 @@ extern "C" {
#define complex _Complex
#ifdef __GNUC__
#define _Complex_I (__extension__ 1.0fi)
#define _Complex_I (__extension__ (0.0f+1.0fi))
#else
#define _Complex_I 1.0fi
#define _Complex_I (0.0f+1.0fi)
#endif
#define I _Complex_I