diff options
Diffstat (limited to 'lib/mlibc/options/ansi/generic/complex/carg.c')
-rw-r--r-- | lib/mlibc/options/ansi/generic/complex/carg.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/lib/mlibc/options/ansi/generic/complex/carg.c b/lib/mlibc/options/ansi/generic/complex/carg.c deleted file mode 100644 index 0447420..0000000 --- a/lib/mlibc/options/ansi/generic/complex/carg.c +++ /dev/null @@ -1,59 +0,0 @@ -/* $NetBSD: carg.c,v 1.1 2007/08/20 16:01:31 drochner Exp $ */ - -/* - * Written by Matthias Drochner <drochner@NetBSD.org>. - * Public domain. - * - * imported and modified include for newlib 2010/10/03 - * Marco Atzeri <marco_atzeri@yahoo.it> - */ - -/* -FUNCTION - <<carg>>, <<cargf>>---argument (phase angle) - -INDEX - carg -INDEX - cargf - -ANSI_SYNOPSIS - #include <complex.h> - double carg(double complex <[z]>); - float cargf(float complex <[z]>); - - -DESCRIPTION - These functions compute the argument (also called phase angle) - of <[z]>, with a branch cut along the negative real axis. - - <<cargf>> is identical to <<carg>>, except that it performs - its calculations on <<floats complex>>. - -RETURNS - @ifnottex - The carg functions return the value of the argument in the - interval [-pi, +pi] - @end ifnottex - @tex - The carg functions return the value of the argument in the - interval [$-\pi$, $+\pi$] - @end tex - -PORTABILITY - <<carg>> and <<cargf>> are ISO C99 - -QUICKREF - <<carg>> and <<cargf>> are ISO C99 - -*/ - -#include <complex.h> -#include <math.h> - -double -carg(double complex z) -{ - - return atan2( cimag(z) , creal(z) ); -} |