[newlib-cygwin] Generally make all 'long double complex' methods available in <complex.h>

[newlib-cygwin] Generally make all 'long double complex' methods available in <complex.h>

[Thomas Schwinge]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=67459ce679f42ef81faaeb2401593105d6fbbf5d

commit 67459ce679f42ef81faaeb2401593105d6fbbf5d
Author: Thomas Schwinge <thomas@codesourcery.com>
Date:   Wed Oct 5 22:11:41 2022 +0200

    Generally make all 'long double complex' methods available in <complex.h>
    
    ..., not just '#if defined(__CYGWIN__)'.  (Exception: 'clog10l' which currently
    indeed is for Cygwin only.)
    
    This completes 2017-07-05 commit be3ca3947402827aa52709e677369bc7ad30aa1d
    "Fixed warnings for some long double complex methods" after Aditya Upadhyay's
    work on importing "Long double complex methods" from NetBSD.
    
    For example, this changes GCC/nvptx libgfortran 'configure' output as follows:
    
        [...]
        checking for ccosf... yes
        checking for ccos... yes
        checking for ccosl... [-no-]{+yes+}
        [...]
    
    ..., and correspondingly GCC/nvptx 'nvptx-none/libgfortran/config.h' as
    follows:
    
        [...]
         /* Define to 1 if you have the `ccosl' function. */
        -/* #undef HAVE_CCOSL */
        +#define HAVE_CCOSL 1
        [...]
    
    Similarly for 'ccoshl', 'cexpl', 'cpowl', 'csinl', 'csinhl', 'ctanl', 'ctanhl',
    'cacoshl', 'cacosl', 'casinhl', 'catanhl'.  ('conjl', 'cprojl' are not
    currently being used in libgfortran.)
    
    This in turn simplifies GCC/nvptx 'libgfortran/intrinsics/c99_functions.c'
    compilation such that this files doesn't have to provide its own
    "Implementation of various C99 functions" for those, when in fact they're
    available in newlib libm.

Diff:
---
 newlib/libc/include/complex.h | 35 ++++++++++++++++-------------------
 1 file changed, 16 insertions(+), 19 deletions(-)

diff --git a/newlib/libc/include/complex.h b/newlib/libc/include/complex.h
index 0a3ea97ed..ad3028e4c 100644
--- a/newlib/libc/include/complex.h
+++ b/newlib/libc/include/complex.h
@@ -20,6 +20,7 @@ __BEGIN_DECLS
 /* 7.3.5.1 The cacos functions */
 double complex cacos(double complex);
 float complex cacosf(float complex);
+long double complex cacosl(long double complex);
 
 /* 7.3.5.2 The casin functions */
 double complex casin(double complex);
@@ -34,44 +35,54 @@ long double complex catanl(long double complex);
 /* 7.3.5.1 The ccos functions */
 double complex ccos(double complex);
 float complex ccosf(float complex);
+long double complex ccosl(long double complex);
 
 /* 7.3.5.1 The csin functions */
 double complex csin(double complex);
 float complex csinf(float complex);
+long double complex csinl(long double complex);
 
 /* 7.3.5.1 The ctan functions */
 double complex ctan(double complex);
 float complex ctanf(float complex);
+long double complex ctanl(long double complex);
 
 /* 7.3.6 Hyperbolic functions */
 /* 7.3.6.1 The cacosh functions */
 double complex cacosh(double complex);
 float complex cacoshf(float complex);
+long double complex cacoshl(long double complex);
 
 /* 7.3.6.2 The casinh functions */
 double complex casinh(double complex);
 float complex casinhf(float complex);
+long double complex casinhl(long double complex);
 
 /* 7.3.6.3 The catanh functions */
 double complex catanh(double complex);
 float complex catanhf(float complex);
+long double complex catanhl(long double complex);
 
 /* 7.3.6.4 The ccosh functions */
 double complex ccosh(double complex);
 float complex ccoshf(float complex);
+long double complex ccoshl(long double complex);
 
 /* 7.3.6.5 The csinh functions */
 double complex csinh(double complex);
 float complex csinhf(float complex);
+long double complex csinhl(long double complex);
 
 /* 7.3.6.6 The ctanh functions */
 double complex ctanh(double complex);
 float complex ctanhf(float complex);
+long double complex ctanhl(long double complex);
 
 /* 7.3.7 Exponential and logarithmic functions */
 /* 7.3.7.1 The cexp functions */
 double complex cexp(double complex);
 float complex cexpf(float complex);
+long double complex cexpl(long double complex);
 
 /* 7.3.7.2 The clog functions */
 double complex clog(double complex);
@@ -93,6 +104,7 @@ float cabsf(float complex) ;
 /* 7.3.8.2 The cpow functions */
 double complex cpow(double complex, double complex);
 float complex cpowf(float complex, float complex);
+long double complex cpowl(long double complex, long double complex);
 
 /* 7.3.8.3 The csqrt functions */
 double complex csqrt(double complex);
@@ -113,10 +125,12 @@ long double cimagl(long double complex);
 /* 7.3.9.3 The conj functions */
 double complex conj(double complex);
 float complex conjf(float complex);
+long double complex conjl(long double complex);
 
 /* 7.3.9.4 The cproj functions */
 double complex cproj(double complex);
 float complex cprojf(float complex);
+long double complex cprojl(long double complex);
 
 /* 7.3.9.5 The creal functions */
 double creal(double complex);
@@ -126,27 +140,10 @@ long double creall(long double complex);
 #if __GNU_VISIBLE
 double complex clog10(double complex);
 float complex clog10f(float complex);
-#endif
-
-#if defined(__CYGWIN__)
-long double complex cacosl(long double complex);
-long double complex ccosl(long double complex);
-long double complex csinl(long double complex);
-long double complex ctanl(long double complex);
-long double complex cacoshl(long double complex);
-long double complex casinhl(long double complex);
-long double complex catanhl(long double complex);
-long double complex ccoshl(long double complex);
-long double complex csinhl(long double complex);
-long double complex ctanhl(long double complex);
-long double complex cexpl(long double complex);
-long double complex cpowl(long double complex, long double complex);
-long double complex conjl(long double complex);
-long double complex cprojl(long double complex);
-#if __GNU_VISIBLE
+# if defined(__CYGWIN__)
 long double complex clog10l(long double complex);
+# endif
 #endif
-#endif /* __CYGWIN__ */
 
 __END_DECLS