Makefile.am (libquadmath_la_SOURCES): Add new math/* files.

2012-11-01  Tobias Burnus  <burnus@net-b.de>

        * Makefile.am (libquadmath_la_SOURCES): Add new math/* files.
        * Makefile.in: Regenerated.
        * math/acoshq.c: Update comment.
        * math/acosq.c: Ditto.
        * math/asinhq.c: Ditto.
        * math/asinq.c: Ditto.
        * math/atan2q.c: Ditto.
        * math/atanhq.c: Ditto.
        * math/ceilq.c: Ditto.
        * math/copysignq.c: Ditto.
        * math/cosq.c: Ditto.
        * math/coshq.c: Ditto.
        * math/erfq.c: Ditto.
        * math/fabsq.c: Ditto.
        * math/finiteq.c: Ditto.
        * math/floorq.c: Ditto.
        * math/fmodq.c: Ditto.
        * math/frexpq.c: Ditto.
        * math/isnanq.c: Ditto.
        * math/j0q.c: Ditto.
        * math/j1q.c: Ditto.
        * math/ldexpq.c: Ditto.
        * math/llroundq.c: Ditto.
        * math/log10q.c: Ditto.
        * math/log1pq.c: Ditto.
        * math/log2q.c: Ditto.
        * math/logq.c: Ditto.
        * math/lroundq.c: Ditto.
        * math/modfq.c: Ditto.
        * math/nextafterq.c: Ditto.
        * math/powq.c: Ditto.
        * math/rem_pio2q.c: Ditto.
        * math/remainderq.c: Ditto.
        * math/rintq.c: Ditto.
        * math/roundq.c: Ditto.
        * math/scalblnq.c: Ditto.
        * math/scalbnq.c: Ditto.
        * math/sincosq_kernel.c: Ditto.
        * math/sinq.c: Ditto.
        * math/tanq.c: Ditto.
        * math/expq.c: Ditto.
        (__expq_table, expq): Renamed local array from __expl_table.
        * math/cosq_kernel.c (__quadmath_kernel_cosq): Fix sign
        * handling.
        * math/cacoshq.c: Changes from GLIBC; fix returned sign.
        * math/casinhq.c: Changes from GLIBC to fix special-case.
        * math/cbrtq.c: Use modified GLIBC version.
        * math/complex.c (ccoshd, cexpq, clog10q, clogq, csinhq, csinq,
        ctanhq, ctanq): Moved to separates files.
        (mult_c128, div_c128): Removed no longer needed functions.
        (cexpiq): Call sincosq instead of sinq and cosq.
        (cosq): Call cosh(-re,im) instead of cosq/sinq/sinh/cosh.
        * math/ccoshq.c (ccoshq): New file, moved from complex.c and
        modified based on GLIBC.
        * math/cexpq.c (cexp): Ditto.
        * math/clog10q.c (clog10q): Ditto.
        * math/clogq.c (clogq): Ditto.
        * math/csinhq.c: Ditto.
        * math/csinq.c: Ditto.
        * math/csqrtq.c: Ditto.
        * math/ctanhq.c: Ditto.
        * math/ctanq.c: Ditto.
        * math/fmaq.c (fmaq): Port TININESS_AFTER_ROUNDING handling
        from GLIBC.
        * math/ilogbq.c (ilogbq): Add errno = EDOM handling.
        * math/isinf_nsq.c (__quadmath_isinf_nsq): New file, ported
        from GLIBC.
        * math/lgammaq.c (lgammaq): Add signgam handling.
        * math/sinhq.c (sinhq): Fix sign handling.
        * math/sinq_kernel.c (__quadmath_kernel_sinq): Ditto.
        * math/tgammaq.c (tgammaq): Ditto.
        * math/x2y2m1q.c: New file.
        * quadmath-imp.h (TININESS_AFTER_ROUNDING): New define.
        (__quadmath_x2y2m1q, __quadmath_isinf_nsq): New prototypes.

From-SVN: r193063

1 files changed, 20 insertions, 2 deletions

diff --git a/libquadmath/math/ilogbq.c b/libquadmath/math/ilogbq.c
index 47986f5..7f95e9c 100644
--- a/libquadmath/math/ilogbq.c
+++ b/libquadmath/math/ilogbq.c
@@ -1,4 +1,4 @@
-/* s_ilogbl.c -- long double version of s_ilogb.c.
+/* ilogbq.c -- __float128 version of s_ilogb.c.
  * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
@@ -17,7 +17,7 @@
 static char rcsid[] = "$NetBSD: $";
 #endif
 
-/* ilogbl(long double x)
+/* ilogbl(__float128 x)
  * return the binary exponent of non-zero x
  * ilogbl(0) = FP_ILOGB0
  * ilogbl(NaN) = FP_ILOGBNAN (no signal is raised)
@@ -26,6 +26,7 @@ static char rcsid[] = "$NetBSD: $";
 
 #include <limits.h>
 #include <math.h>
+#include <errno.h>
 #include "quadmath-imp.h"
 
 #ifndef FP_ILOGB0
@@ -45,7 +46,13 @@ ilogbq (__float128 x)
 	hx &= 0x7fffffffffffffffLL;
 	if(hx <= 0x0001000000000000LL) {
 	    if((hx|lx)==0)
+	      {
+		errno = EDOM;
+#ifdef USE_FENV_H
+		feraiseexcept (FE_INVALID);
+#endif
 		return FP_ILOGB0;	/* ilogbl(0) = FP_ILOGB0 */
+	      }
 	    else			/* subnormal x */
 		if(hx==0) {
 		    for (ix = -16431; lx>0; lx<<=1) ix -=1;
@@ -58,7 +65,18 @@ ilogbq (__float128 x)
 	else if (FP_ILOGBNAN != INT_MAX) {
 	    /* ISO C99 requires ilogbl(+-Inf) == INT_MAX.  */
 	    if (((hx^0x7fff000000000000LL)|lx) == 0)
+	      {
+		errno = EDOM;
+#ifdef USE_FENV_H
+		feraiseexcept (FE_INVALID);
+#endif
 		return INT_MAX;
+	      }
 	}
+
+	errno = EDOM;
+#ifdef USE_FENV_H
+	feraiseexcept (FE_INVALID);
+#endif
 	return FP_ILOGBNAN;
 }