From d29196a493b0d63ea543af2cab1db062ae39fce2 Mon Sep 17 00:00:00 2001 From: Jakob Kaivo Date: Tue, 26 Apr 2022 10:59:50 -0400 Subject: use C2x style header versioning for include guards --- complex.h | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'complex.h') diff --git a/complex.h b/complex.h index 55a2d71..8965f38 100644 --- a/complex.h +++ b/complex.h @@ -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 " requires C99 or higher" #endif -#if (defined __STDC_NO_COMPLES__) +#if (defined __STDC_NO_COMPLEX__) #error " 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))) -- cgit v1.2.1