diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2010-10-08 14:35:14 +0400 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2010-10-08 14:35:14 +0400 |
| commit | 5af2a793bc8cc1a41783515ded2aee98d7e50644 (patch) | |
| tree | d07f6b0863fe8607d1290980d9bd5ae0a75f2cff /newlib/libm/common/fdlibm.h | |
| parent | 1a91b8c0ac168f498576bd8833e8d4a7197fce57 (diff) | |
* libc/include/complex.h: New complex header.
* libm/common/fdlibm.h: Added ifdef _COMPLEX_H.
* libm/complex/*: New complex functions imported from NetBSD.
* libm/Makefile.am: Added complex subdir.
* libm/Makefile.in: Regenerate.
* libm/configure.in: Added complex subdir.
* libm/configure: Regenerate.
Diffstat (limited to 'newlib/libm/common/fdlibm.h')
| -rw-r--r-- | newlib/libm/common/fdlibm.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/newlib/libm/common/fdlibm.h b/newlib/libm/common/fdlibm.h index ab0ada1a1..a4b7fffe7 100644 --- a/newlib/libm/common/fdlibm.h +++ b/newlib/libm/common/fdlibm.h @@ -371,3 +371,34 @@ do { \ #define SAFE_RIGHT_SHIFT(op,amt) \ (((amt) < 8 * sizeof(op)) ? ((op) >> (amt)) : 0) +#ifdef _COMPLEX_H + +/* + * Quoting from ISO/IEC 9899:TC2: + * + * 6.2.5.13 Types + * Each complex type has the same representation and alignment requirements as + * an array type containing exactly two elements of the corresponding real type; + * the first element is equal to the real part, and the second element to the + * imaginary part, of the complex number. + */ +typedef union { + float complex z; + float parts[2]; +} float_complex; + +typedef union { + double complex z; + double parts[2]; +} double_complex; + +typedef union { + long double complex z; + long double parts[2]; +} long_double_complex; + +#define REAL_PART(z) ((z).parts[0]) +#define IMAG_PART(z) ((z).parts[1]) + +#endif /* _COMPLEX_H */ + |