diff options
| author | Jakob Kaivo <jkk@ung.org> | 2022-04-26 10:59:50 -0400 |
|---|---|---|
| committer | Jakob Kaivo <jkk@ung.org> | 2022-04-26 10:59:50 -0400 |
| commit | d29196a493b0d63ea543af2cab1db062ae39fce2 (patch) | |
| tree | dbbbbfff7e201a36f98c977e2405fe6a00d8e35d /complex.h | |
| parent | ac27402efa3cb4d2e433a2a2f51e9ac34accf084 (diff) | |
use C2x style header versioning for include guards
Diffstat (limited to 'complex.h')
| -rw-r--r-- | complex.h | 14 |
1 files changed, 9 insertions, 5 deletions
@@ -1,5 +1,9 @@ -#ifndef __COMPLEX_H__ -#define __COMPLEX_H__ +#ifndef __STDC_VERSION_COMPLEX_H__ +#if defined __STDC_VERSION__ +#define __STDC_VERSION_COMPLEX_H__ __STDC_VERSION__ +#else +#define __STDC_VERSION_COMPLEX_H__ 1 +#endif /* UNG's Not GNU @@ -27,11 +31,11 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -#if !(defined __STDC_VERSION__ && 199901L <= __STDC_VERSION__) +#if (__STDC_VERSION_COMPLEX_H__ < 199901L) #error "<complex.h> requires C99 or higher" #endif -#if (defined __STDC_NO_COMPLES__) +#if (defined __STDC_NO_COMPLEX__) #error "<complex.h> requies compiler support" #endif @@ -53,7 +57,7 @@ SOFTWARE. float _Complex __c; \ float __f[2]; \ }){ .__f = { 0.0, 1.0 } }).__c) -#if (201112L <= __STDC_VERSION__) +#if (201112L <= __STDC_VERSION_COMPLEX_H__) # ifdef __STDC_IEC_559_COMPLEX__ # define CMPLX(__x, __y) \ ((double complex)((double)(__x) + _Imaginary_I * (double)(__y))) |