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-rw-r--r--sysdeps/ia64/fpu/e_atan2.S6
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/ia64/fpu/e_atan2.S b/sysdeps/ia64/fpu/e_atan2.S
index 8be7c6cec5..7a17fbfed4 100644
--- a/sysdeps/ia64/fpu/e_atan2.S
+++ b/sysdeps/ia64/fpu/e_atan2.S
@@ -52,6 +52,7 @@
// 08/20/02 Corrected inexact flag and directed rounding symmetry bugs
// 02/06/03 Reordered header: .section, .global, .proc, .align
// 04/17/03 Added missing mutex directive
+// 12/23/03 atan2(NaN1,NaN2) now QNaN1, for consistency with atan2f, atan2l
//
// API
//==============================================================
@@ -142,7 +143,7 @@
// -0 -0 -pi
//
// Nan anything quiet Y
-// anything NaN quiet X
+// Not NaN NaN quiet X
// atan2(+-0/+-0) sets double error tag to 37
@@ -388,7 +389,7 @@ GLOBAL_IEEE754_ENTRY(atan2)
}
{ .mfb
ldfe atan2_P21 = [EXP_AD_P2],16
-(p10) fma.d.s0 f8 = atan2_Y,atan2_X,f0 // If y=nan, result quietized y
+(p10) fma.d.s0 f8 = atan2_X,atan2_Y,f0 // If y=nan, result quietized y
(p10) br.ret.spnt b0 // Exit if y=nan
;;
}
@@ -985,6 +986,7 @@ ATAN2_ERROR:
}
GLOBAL_IEEE754_END(atan2)
+
LOCAL_LIBM_ENTRY(__libm_error_region)
.prologue
// (1)