* sysdeps/i386/fpu/s_tanf.S: Likewise.
* sysdeps/i386/fpu/s_tanl.S: Likewise.
* sysdeps/ieee754/dbl-64/s_tan.c: Likewise.
* sysdeps/ieee754/flt-32/s_tanf.c: Likewise.
* sysdeps/x86_64/fpu/s_tanl.S: Likewise.
* math/libm-test.inc: Add tests for errno after tan calls with
±Inf.
2009-04-25 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/i386/fpu/s_tan.S: Set errno for ±Inf.
+ * sysdeps/i386/fpu/s_tanf.S: Likewise.
+ * sysdeps/i386/fpu/s_tanl.S: Likewise.
+ * sysdeps/ieee754/dbl-64/s_tan.c: Likewise.
+ * sysdeps/ieee754/flt-32/s_tanf.c: Likewise.
+ * sysdeps/x86_64/fpu/s_tanl.S: Likewise.
+ * math/libm-test.inc: Add tests for errno after tan calls with
+ ±Inf.
+
* sysdeps/ieee754/k_standard.c (__kernel_standard): Use correct
errno value vor pow(+-0,neg).
* math/libm-test.inc (pow_test): Add tests for errno value for
TEST_f_f (tan, 0, 0);
TEST_f_f (tan, minus_zero, minus_zero);
+ errno = 0;
TEST_f_f (tan, plus_infty, nan_value, INVALID_EXCEPTION);
+ check_int ("errno for tan(Inf) == EDOM", errno, EDOM, 0, 0, 0);
+ errno = 0;
TEST_f_f (tan, minus_infty, nan_value, INVALID_EXCEPTION);
+ check_int ("errno for tan(-Inf) == EDOM", errno, EDOM, 0, 0, 0);
+ errno = 0;
TEST_f_f (tan, nan_value, nan_value);
+ check_int ("errno for tan(NaN) == 0", errno, 0, 0, 0, 0);
TEST_f_f (tan, M_PI_4l, 1);
TEST_f_f (tan, 0.75L, 0.931596459944072461165202756573936428L);
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
+ * Fixed errno handling by Ulrich Drepper <drepper@redhat.com>.
* Public domain.
*/
+#define __need_Emath
+#include <bits/errno.h>
#include <machine/asm.h>
RCSID("$NetBSD: s_tan.S,v 1.5 1995/05/09 00:30:00 jtc Exp $")
ENTRY(__tan)
fldl 4(%esp)
- fptan
+ fxam
+ fstsw %ax
+ movb $0x45, %dh
+ andb %ah, %dh
+ cmpb $0x05, %dh
+ je 3f
+4: fptan
fnstsw %ax
testl $0x400,%eax
jnz 1f
fptan
fstp %st(0)
ret
+3:
+#ifdef PIC
+ pushl %ebx
+ cfi_adjust_cfa_offset (4)
+ cfi_rel_offset (ebx, 0)
+ LOAD_PIC_REG (bx)
+ call __errno_location@PLT
+ movl $EDOM, (%eax)
+ popl %ebx
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (ebx)
+#else
+ call __errno_location@PLT
+ movl $EDOM, (%eax)
+#endif
+ jmp 4b
END (__tan)
weak_alias (__tan, tan)
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
+ * Fixed errno handling by Ulrich Drepper <drepper@redhat.com>.
* Public domain.
*/
+#define __need_Emath
+#include <bits/errno.h>
#include <machine/asm.h>
RCSID("$NetBSD: s_tanf.S,v 1.3 1995/05/09 00:31:09 jtc Exp $")
ENTRY(__tanf)
flds 4(%esp)
- fptan
+ fxam
+ fstsw %ax
+ movb $0x45, %dh
+ andb %ah, %dh
+ cmpb $0x05, %dh
+ je 3f
+4: fptan
fnstsw %ax
testl $0x400,%eax
jnz 1f
fptan
fstp %st(0)
ret
+3:
+#ifdef PIC
+ pushl %ebx
+ cfi_adjust_cfa_offset (4)
+ cfi_rel_offset (ebx, 0)
+ LOAD_PIC_REG (bx)
+ call __errno_location@PLT
+ movl $EDOM, (%eax)
+ popl %ebx
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (ebx)
+#else
+ call __errno_location@PLT
+ movl $EDOM, (%eax)
+#endif
+ jmp 4b
END (__tanf)
weak_alias (__tanf, tanf)
* Public domain.
*
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
+ * Fixed errno handling by Ulrich Drepper <drepper@redhat.com>.
*/
+#define __need_Emath
+#include <bits/errno.h>
#include <machine/asm.h>
-RCSID("$NetBSD: $")
-
ENTRY(__tanl)
fldt 4(%esp)
- fptan
+ fxam
+ fstsw %ax
+ movb $0x45, %dh
+ andb %ah, %dh
+ cmpb $0x05, %dh
+ je 3f
+4: fptan
fnstsw %ax
testl $0x400,%eax
jnz 1f
fptan
fstp %st(0)
ret
+3:
+#ifdef PIC
+ pushl %ebx
+ cfi_adjust_cfa_offset (4)
+ cfi_rel_offset (ebx, 0)
+ LOAD_PIC_REG (bx)
+ call __errno_location@PLT
+ movl $EDOM, (%eax)
+ popl %ebx
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (ebx)
+#else
+ call __errno_location@PLT
+ movl $EDOM, (%eax)
+#endif
+ jmp 4b
END (__tanl)
weak_alias (__tanl, tanl)
/*
* IBM Accurate Mathematical Library
* written by International Business Machines Corp.
- * Copyright (C) 2001 Free Software Foundation
+ * Copyright (C) 2001, 2009 Free Software Foundation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
/* round to nearest mode of IEEE 754 standard. */
/* */
/*********************************************************************/
+
+#include <errno.h>
#include "endian.h"
#include "dla.h"
#include "mpa.h"
/* x=+-INF, x=NaN */
num.d = x; ux = num.i[HIGH_HALF];
- if ((ux&0x7ff00000)==0x7ff00000) return x-x;
+ if ((ux&0x7ff00000)==0x7ff00000) {
+ if ((ux&0x7fffffff)==0x7ff00000)
+ __set_errno (EDOM);
+ return x-x;
+ }
w=(x<ZERO) ? -x : x;
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
+ * software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
static char rcsid[] = "$NetBSD: s_tanf.c,v 1.4 1995/05/10 20:48:20 jtc Exp $";
#endif
+#include <errno.h>
#include "math.h"
#include "math_private.h"
if(ix <= 0x3f490fda) return __kernel_tanf(x,z,1);
/* tan(Inf or NaN) is NaN */
- else if (ix>=0x7f800000) return x-x; /* NaN */
+ else if (ix>=0x7f800000) {
+ if (ix==0x7f800000)
+ __set_errno (EDOM);
+ return x-x; /* NaN */
+ }
/* argument reduction needed */
else {
*
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
* Adapted for x86-64 by Andreas Jaeger <aj@suse.de>.
+ * Fixed errno handling by Ulrich Drepper <drepper@redhat.com>.
*/
+#define __need_Emath
+#include <bits/errno.h>
#include <machine/asm.h>
RCSID("$NetBSD: $")
ENTRY(__tanl)
fldt 8(%rsp)
- fptan
+ fxam
+ fstsw %ax
+ movb $0x45, %dh
+ andb %ah, %dh
+ cmpb $0x05, %dh
+ je 3f
+4: fptan
fnstsw %ax
testl $0x400,%eax
jnz 1f
fptan
fstp %st(0)
ret
+3: call __errno_location@PLT
+ movl $EDOM, (%rax)
+ jmp 4b
END (__tanl)
weak_alias (__tanl, tanl)
projects / platform / upstream / glibc.git / commitdiff