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| author | Jeff Johnston <jjohnstn@redhat.com> | 2010-10-18 22:40:24 +0000 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2010-10-18 22:40:24 +0000 |
| commit | bf5300eaee04b5e143dea58e922bc6ae260197dd (patch) | |
| tree | 2d9aa73897ac0abb39e90a468babdf937e2ba513 /newlib/libm/complex/cabs.c | |
| parent | cf9e79ca7a5adbc3d6d868ce2334ddd518cda418 (diff) | |
| download | cygnal-bf5300eaee04b5e143dea58e922bc6ae260197dd.tar.gz cygnal-bf5300eaee04b5e143dea58e922bc6ae260197dd.tar.bz2 cygnal-bf5300eaee04b5e143dea58e922bc6ae260197dd.zip | |
2010-10-18 Marco Atzeri <marco_atzeri@yahoo.it>
* libm/Makefile.am: added complex functions documentation
* libm/libm.texinfo: ditto
* libm/complex/Makefile.am: Ditto
* libm/complex/complex.tex: Ditto
* libm/complex/(cabs.c, cacos.c, cacosh.c, carg.c,
casin.c, casinh.c, catan.c, catanh.c, ccos.c, ccosh.c,
cexp.c, cimag.c, clog.c, conj.c, cpow.c, cproj.c, creal.c,
csin.c, csinh.c, csqrt.c, ctan.c, ctanh.c): Ditto
* libm/Makefile.in: Regenerate
* libm/complex/Makefile.in: Ditto
Diffstat (limited to 'newlib/libm/complex/cabs.c')
| -rw-r--r-- | newlib/libm/complex/cabs.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/newlib/libm/complex/cabs.c b/newlib/libm/complex/cabs.c index eb6366935..2750fab9a 100644 --- a/newlib/libm/complex/cabs.c +++ b/newlib/libm/complex/cabs.c @@ -8,6 +8,40 @@ * Marco Atzeri <marco_atzeri@yahoo.it> */ +/* +FUNCTION + <<cabs>>, <<cabsf>>---complex absolute-value + +INDEX + cabs +INDEX + cabsf + +ANSI_SYNOPSIS + #include <complex.h> + double cabs(double complex <[z]>); + float cabsf(float complex <[z]>); + + +DESCRIPTION + These functions compute compute the complex absolute value + (also called norm, modulus, or magnitude) of <[z]>. + + <<cabsf>> is identical to <<cabs>>, except that it performs + its calculations on <<floats complex>>. + +RETURNS + The cabs functions return the complex absolute value. + +PORTABILITY + <<cabs>> and <<cabsf>> are ISO C99 + +QUICKREF + <<cabs>> and <<cabsf>> are ISO C99 + +*/ + + #include <complex.h> #include <math.h> |