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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/casin.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/casin.c')
| -rw-r--r-- | newlib/libm/complex/casin.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/newlib/libm/complex/casin.c b/newlib/libm/complex/casin.c index 7e392944f..5019fd8cb 100644 --- a/newlib/libm/complex/casin.c +++ b/newlib/libm/complex/casin.c @@ -32,6 +32,49 @@ * Marco Atzeri <marco_atzeri@yahoo.it> */ +/* +FUNCTION + <<casin>>, <<casinf>>---complex arc sine + +INDEX + casin +INDEX + casinf + +ANSI_SYNOPSIS + #include <complex.h> + double complex casin(double complex <[z]>); + float complex casinf(float complex <[z]>); + + +DESCRIPTION + These functions compute the complex arc sine of <[z]>, + with branch cuts outside the interval [-1, +1] along the real axis. + + <<casinf>> is identical to <<casin>>, except that it performs + its calculations on <<floats complex>>. + +RETURNS + @ifnottex + These functions return the complex arc sine value, in the range + of a strip mathematically unbounded along the imaginary axis + and in the interval [-pi/2, +pi/2] along the real axis. + @end ifnottex + @tex + These functions return the complex arc sine value, in the range + of a strip mathematically unbounded along the imaginary axis + and in the interval [$-\pi/2$, $+\pi/2$] along the real axis. + @end tex + +PORTABILITY + <<casin>> and <<casinf>> are ISO C99 + +QUICKREF + <<casin>> and <<casinf>> are ISO C99 + +*/ + + #include <complex.h> #include <math.h> |