#ifndef _COMPLEX_H #define _COMPLEX_H 1 // https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/complex.h.html #include <sys/cdefs.h> #define complex _Complex #define _Complex_I (__extension__ 1.0iF) #undef I #define I _Complex_I __BEGIN_DECLS double cabs(double complex); float cabsf(float complex); long double cabsl(long double complex); double complex cacos(double complex); float complex cacosf(float complex); double complex cacosh(double complex); float complex cacoshf(float complex); long double complex cacoshl(long double complex); long double complex cacosl(long double complex); double carg(double complex); float cargf(float complex); long double cargl(long double complex); double complex casin(double complex); float complex casinf(float complex); double complex casinh(double complex); float complex casinhf(float complex); long double complex casinhl(long double complex); long double complex casinl(long double complex); double complex catan(double complex); float complex catanf(float complex); double complex catanh(double complex); float complex catanhf(float complex); long double complex catanhl(long double complex); long double complex catanl(long double complex); double complex ccos(double complex); float complex ccosf(float complex); double complex ccosh(double complex); float complex ccoshf(float complex); long double complex ccoshl(long double complex); long double complex ccosl(long double complex); double complex cexp(double complex); float complex cexpf(float complex); long double complex cexpl(long double complex); double cimag(double complex); float cimagf(float complex); long double cimagl(long double complex); double complex clog(double complex); float complex clogf(float complex); long double complex clogl(long double complex); double complex conj(double complex); float complex conjf(float complex); long double complex conjl(long double complex); double complex cpow(double complex, double complex); float complex cpowf(float complex, float complex); long double complex cpowl(long double complex, long double complex); double complex cproj(double complex); float complex cprojf(float complex); long double complex cprojl(long double complex); double creal(double complex); float crealf(float complex); long double creall(long double complex); double complex csin(double complex); float complex csinf(float complex); double complex csinh(double complex); float complex csinhf(float complex); long double complex csinhl(long double complex); long double complex csinl(long double complex); double complex csqrt(double complex); float complex csqrtf(float complex); long double complex csqrtl(long double complex); double complex ctan(double complex); float complex ctanf(float complex); double complex ctanh(double complex); float complex ctanhf(float complex); long double complex ctanhl(long double complex); long double complex ctanl(long double complex); __END_DECLS #endif