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authorJoseph Myers <joseph@codesourcery.com>2012-07-09 11:06:34 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-09 11:06:34 +0000
commit638a572eb0d9af9588bf79e14badc1efefe59d99 (patch)
tree4e519d885a916df57a231f058bafe1bc212b1f0f /math
parentad41a87fe0777b1500df48609307f8d9d906dfb9 (diff)
downloadglibc-638a572eb0d9af9588bf79e14badc1efefe59d99.zip
glibc-638a572eb0d9af9588bf79e14badc1efefe59d99.tar.gz
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Fix clog, clog10 spurious underflow exceptions (bug 14337).
Diffstat (limited to 'math')
-rw-r--r--math/libm-test.inc90
-rw-r--r--math/s_clog.c23
-rw-r--r--math/s_clog10.c23
-rw-r--r--math/s_clog10f.c23
-rw-r--r--math/s_clog10l.c23
-rw-r--r--math/s_clogf.c23
-rw-r--r--math/s_clogl.c23
7 files changed, 174 insertions, 54 deletions
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 27c53a1..a9cc2bd 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -2419,6 +2419,51 @@ clog_test (void)
TEST_c_c (clog, 0x1p-16440L, 0x1p-16441L, -11395.22807662984378194141292922726786191L, 0.4636476090008061162142562314612144020285L);
#endif
+ TEST_c_c (clog, 0x1p-149L, 0x1.fp+127L, 88.69109041335841930424871526389807508374L, M_PI_2l);
+ TEST_c_c (clog, -0x1p-149L, 0x1.fp+127L, 88.69109041335841930424871526389807508374L, M_PI_2l);
+ TEST_c_c (clog, 0x1p-149L, -0x1.fp+127L, 88.69109041335841930424871526389807508374L, -M_PI_2l);
+ TEST_c_c (clog, -0x1p-149L, -0x1.fp+127L, 88.69109041335841930424871526389807508374L, -M_PI_2l);
+ TEST_c_c (clog, -0x1.fp+127L, 0x1p-149L, 88.69109041335841930424871526389807508374L, M_PIl);
+ TEST_c_c (clog, -0x1.fp+127L, -0x1p-149L, 88.69109041335841930424871526389807508374L, -M_PIl);
+#ifdef TEST_FLOAT
+ TEST_c_c (clog, 0x1.fp+127L, 0x1p-149L, 88.69109041335841930424871526389807508374L, plus_zero, UNDERFLOW_EXCEPTION);
+ TEST_c_c (clog, 0x1.fp+127L, -0x1p-149L, 88.69109041335841930424871526389807508374L, minus_zero, UNDERFLOW_EXCEPTION);
+#endif
+
+#ifndef TEST_FLOAT
+ TEST_c_c (clog, 0x1p-1074L, 0x1.fp+1023L, 709.7509641950694165420886960904242800794L, M_PI_2l);
+ TEST_c_c (clog, -0x1p-1074L, 0x1.fp+1023L, 709.7509641950694165420886960904242800794L, M_PI_2l);
+ TEST_c_c (clog, 0x1p-1074L, -0x1.fp+1023L, 709.7509641950694165420886960904242800794L, -M_PI_2l);
+ TEST_c_c (clog, -0x1p-1074L, -0x1.fp+1023L, 709.7509641950694165420886960904242800794L, -M_PI_2l);
+ TEST_c_c (clog, -0x1.fp+1023L, 0x1p-1074L, 709.7509641950694165420886960904242800794L, M_PIl);
+ TEST_c_c (clog, -0x1.fp+1023L, -0x1p-1074L, 709.7509641950694165420886960904242800794L, -M_PIl);
+#endif
+#if defined TEST_DOUBLE || (defined TEST_LDOUBLE && LDBL_MAX_EXP == 1024)
+ TEST_c_c (clog, 0x1.fp+1023L, 0x1p-1074L, 709.7509641950694165420886960904242800794L, plus_zero, UNDERFLOW_EXCEPTION);
+ TEST_c_c (clog, 0x1.fp+1023L, -0x1p-1074L, 709.7509641950694165420886960904242800794L, minus_zero, UNDERFLOW_EXCEPTION);
+#endif
+
+#if defined TEST_LDOUBLE && LDBL_MAX_EXP >= 16384
+ TEST_c_c (clog, 0x1p-16445L, 0x1.fp+16383L, 11356.49165759582936919077408168801636572L, M_PI_2l);
+ TEST_c_c (clog, -0x1p-16445L, 0x1.fp+16383L, 11356.49165759582936919077408168801636572L, M_PI_2l);
+ TEST_c_c (clog, 0x1p-16445L, -0x1.fp+16383L, 11356.49165759582936919077408168801636572L, -M_PI_2l);
+ TEST_c_c (clog, -0x1p-16445L, -0x1.fp+16383L, 11356.49165759582936919077408168801636572L, -M_PI_2l);
+ TEST_c_c (clog, -0x1.fp+16383L, 0x1p-16445L, 11356.49165759582936919077408168801636572L, M_PIl);
+ TEST_c_c (clog, -0x1.fp+16383L, -0x1p-16445L, 11356.49165759582936919077408168801636572L, -M_PIl);
+ TEST_c_c (clog, 0x1.fp+16383L, 0x1p-16445L, 11356.49165759582936919077408168801636572L, plus_zero, UNDERFLOW_EXCEPTION);
+ TEST_c_c (clog, 0x1.fp+16383L, -0x1p-16445L, 11356.49165759582936919077408168801636572L, minus_zero, UNDERFLOW_EXCEPTION);
+# if LDBL_MANT_DIG >= 113
+ TEST_c_c (clog, 0x1p-16494L, 0x1.fp+16383L, 11356.49165759582936919077408168801636572L, M_PI_2l);
+ TEST_c_c (clog, -0x1p-16494L, 0x1.fp+16383L, 11356.49165759582936919077408168801636572L, M_PI_2l);
+ TEST_c_c (clog, 0x1p-16494L, -0x1.fp+16383L, 11356.49165759582936919077408168801636572L, -M_PI_2l);
+ TEST_c_c (clog, -0x1p-16494L, -0x1.fp+16383L, 11356.49165759582936919077408168801636572L, -M_PI_2l);
+ TEST_c_c (clog, -0x1.fp+16383L, 0x1p-16494L, 11356.49165759582936919077408168801636572L, M_PIl);
+ TEST_c_c (clog, -0x1.fp+16383L, -0x1p-16494L, 11356.49165759582936919077408168801636572L, -M_PIl);
+ TEST_c_c (clog, 0x1.fp+16383L, 0x1p-16494L, 11356.49165759582936919077408168801636572L, plus_zero, UNDERFLOW_EXCEPTION);
+ TEST_c_c (clog, 0x1.fp+16383L, -0x1p-16494L, 11356.49165759582936919077408168801636572L, minus_zero, UNDERFLOW_EXCEPTION);
+# endif
+#endif
+
END (clog, complex);
}
@@ -2503,6 +2548,51 @@ clog10_test (void)
TEST_c_c (clog10, 0x1p-16440L, 0x1p-16441L, -4948.884673709346821106688037612752099609L, 0.2013595981366865710389502301937289472543L);
#endif
+ TEST_c_c (clog10, 0x1p-149L, 0x1.fp+127L, 38.51805116050395969095658815123105801479L, 0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1p-149L, 0x1.fp+127L, 38.51805116050395969095658815123105801479L, 0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, 0x1p-149L, -0x1.fp+127L, 38.51805116050395969095658815123105801479L, -0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1p-149L, -0x1.fp+127L, 38.51805116050395969095658815123105801479L, -0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1.fp+127L, 0x1p-149L, 38.51805116050395969095658815123105801479L, 1.364376353841841347485783625431355770210L);
+ TEST_c_c (clog10, -0x1.fp+127L, -0x1p-149L, 38.51805116050395969095658815123105801479L, -1.364376353841841347485783625431355770210L);
+#ifdef TEST_FLOAT
+ TEST_c_c (clog10, 0x1.fp+127L, 0x1p-149L, 38.51805116050395969095658815123105801479L, plus_zero, UNDERFLOW_EXCEPTION);
+ TEST_c_c (clog10, 0x1.fp+127L, -0x1p-149L, 38.51805116050395969095658815123105801479L, minus_zero, UNDERFLOW_EXCEPTION);
+#endif
+
+#ifndef TEST_FLOAT
+ TEST_c_c (clog10, 0x1p-1074L, 0x1.fp+1023L, 308.2409272754311106024666378243768099991L, 0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1p-1074L, 0x1.fp+1023L, 308.2409272754311106024666378243768099991L, 0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, 0x1p-1074L, -0x1.fp+1023L, 308.2409272754311106024666378243768099991L, -0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1p-1074L, -0x1.fp+1023L, 308.2409272754311106024666378243768099991L, -0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1.fp+1023L, 0x1p-1074L, 308.2409272754311106024666378243768099991L, 1.364376353841841347485783625431355770210L);
+ TEST_c_c (clog10, -0x1.fp+1023L, -0x1p-1074L, 308.2409272754311106024666378243768099991L, -1.364376353841841347485783625431355770210L);
+#endif
+#if defined TEST_DOUBLE || (defined TEST_LDOUBLE && LDBL_MAX_EXP == 1024)
+ TEST_c_c (clog10, 0x1.fp+1023L, 0x1p-1074L, 308.2409272754311106024666378243768099991L, plus_zero, UNDERFLOW_EXCEPTION);
+ TEST_c_c (clog10, 0x1.fp+1023L, -0x1p-1074L, 308.2409272754311106024666378243768099991L, minus_zero, UNDERFLOW_EXCEPTION);
+#endif
+
+#if defined TEST_LDOUBLE && LDBL_MAX_EXP >= 16384
+ TEST_c_c (clog10, 0x1p-16445L, 0x1.fp+16383L, 4932.061660674182269085496060792589701158L, 0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1p-16445L, 0x1.fp+16383L, 4932.061660674182269085496060792589701158L, 0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, 0x1p-16445L, -0x1.fp+16383L, 4932.061660674182269085496060792589701158L, -0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1p-16445L, -0x1.fp+16383L, 4932.061660674182269085496060792589701158L, -0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1.fp+16383L, 0x1p-16445L, 4932.061660674182269085496060792589701158L, 1.364376353841841347485783625431355770210L);
+ TEST_c_c (clog10, -0x1.fp+16383L, -0x1p-16445L, 4932.061660674182269085496060792589701158L, -1.364376353841841347485783625431355770210L);
+ TEST_c_c (clog10, 0x1.fp+16383L, 0x1p-16445L, 4932.061660674182269085496060792589701158L, plus_zero, UNDERFLOW_EXCEPTION);
+ TEST_c_c (clog10, 0x1.fp+16383L, -0x1p-16445L, 4932.061660674182269085496060792589701158L, minus_zero, UNDERFLOW_EXCEPTION);
+# if LDBL_MANT_DIG >= 113
+ TEST_c_c (clog10, 0x1p-16494L, 0x1.fp+16383L, 4932.061660674182269085496060792589701158L, 0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1p-16494L, 0x1.fp+16383L, 4932.061660674182269085496060792589701158L, 0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, 0x1p-16494L, -0x1.fp+16383L, 4932.061660674182269085496060792589701158L, -0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1p-16494L, -0x1.fp+16383L, 4932.061660674182269085496060792589701158L, -0.6821881769209206737428918127156778851051L);
+ TEST_c_c (clog10, -0x1.fp+16383L, 0x1p-16494L, 4932.061660674182269085496060792589701158L, 1.364376353841841347485783625431355770210L);
+ TEST_c_c (clog10, -0x1.fp+16383L, -0x1p-16494L, 4932.061660674182269085496060792589701158L, -1.364376353841841347485783625431355770210L);
+ TEST_c_c (clog10, 0x1.fp+16383L, 0x1p-16494L, 4932.061660674182269085496060792589701158L, plus_zero, UNDERFLOW_EXCEPTION);
+ TEST_c_c (clog10, 0x1.fp+16383L, -0x1p-16494L, 4932.061660674182269085496060792589701158L, minus_zero, UNDERFLOW_EXCEPTION);
+# endif
+#endif
+
END (clog10, complex);
}
diff --git a/math/s_clog.c b/math/s_clog.c
index 15e5e9c..2249e86 100644
--- a/math/s_clog.c
+++ b/math/s_clog.c
@@ -40,25 +40,30 @@ __clog (__complex__ double x)
else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
{
/* Neither real nor imaginary part is NaN. */
+ double absx = fabs (__real__ x), absy = fabs (__imag__ x);
double d;
int scale = 0;
- if (fabs (__real__ x) > DBL_MAX / 2.0
- || fabs (__imag__ x) > DBL_MAX / 2.0)
+ if (absx > DBL_MAX / 2.0)
{
scale = -1;
- __real__ x = __scalbn (__real__ x, scale);
- __imag__ x = __scalbn (__imag__ x, scale);
+ absx = __scalbn (absx, scale);
+ absy = (absy >= DBL_MIN * 2.0 ? __scalbn (absy, scale) : 0.0);
}
- else if (fabs (__real__ x) < DBL_MIN
- && fabs (__imag__ x) < DBL_MIN)
+ else if (absy > DBL_MAX / 2.0)
+ {
+ scale = -1;
+ absx = (absx >= DBL_MIN * 2.0 ? __scalbn (absx, scale) : 0.0);
+ absy = __scalbn (absy, scale);
+ }
+ else if (absx < DBL_MIN && absy < DBL_MIN)
{
scale = DBL_MANT_DIG;
- __real__ x = __scalbn (__real__ x, scale);
- __imag__ x = __scalbn (__imag__ x, scale);
+ absx = __scalbn (absx, scale);
+ absy = __scalbn (absy, scale);
}
- d = __ieee754_hypot (__real__ x, __imag__ x);
+ d = __ieee754_hypot (absx, absy);
__real__ result = __ieee754_log (d) - scale * M_LN2;
__imag__ result = __ieee754_atan2 (__imag__ x, __real__ x);
diff --git a/math/s_clog10.c b/math/s_clog10.c
index 9d366d6..cf5fb8a 100644
--- a/math/s_clog10.c
+++ b/math/s_clog10.c
@@ -43,25 +43,30 @@ __clog10 (__complex__ double x)
else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
{
/* Neither real nor imaginary part is NaN. */
+ double absx = fabs (__real__ x), absy = fabs (__imag__ x);
double d;
int scale = 0;
- if (fabs (__real__ x) > DBL_MAX / 2.0
- || fabs (__imag__ x) > DBL_MAX / 2.0)
+ if (absx > DBL_MAX / 2.0)
{
scale = -1;
- __real__ x = __scalbn (__real__ x, scale);
- __imag__ x = __scalbn (__imag__ x, scale);
+ absx = __scalbn (absx, scale);
+ absy = (absy >= DBL_MIN * 2.0 ? __scalbn (absy, scale) : 0.0);
}
- else if (fabs (__real__ x) < DBL_MIN
- && fabs (__imag__ x) < DBL_MIN)
+ else if (absy > DBL_MAX / 2.0)
+ {
+ scale = -1;
+ absx = (absx >= DBL_MIN * 2.0 ? __scalbn (absx, scale) : 0.0);
+ absy = __scalbn (absy, scale);
+ }
+ else if (absx < DBL_MIN && absy < DBL_MIN)
{
scale = DBL_MANT_DIG;
- __real__ x = __scalbn (__real__ x, scale);
- __imag__ x = __scalbn (__imag__ x, scale);
+ absx = __scalbn (absx, scale);
+ absy = __scalbn (absy, scale);
}
- d = __ieee754_hypot (__real__ x, __imag__ x);
+ d = __ieee754_hypot (absx, absy);
__real__ result = __ieee754_log10 (d) - scale * M_LOG10_2;
__imag__ result = M_LOG10E * __ieee754_atan2 (__imag__ x, __real__ x);
diff --git a/math/s_clog10f.c b/math/s_clog10f.c
index 11bb0bb..5a0c370d 100644
--- a/math/s_clog10f.c
+++ b/math/s_clog10f.c
@@ -43,25 +43,30 @@ __clog10f (__complex__ float x)
else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
{
/* Neither real nor imaginary part is NaN. */
+ float absx = fabsf (__real__ x), absy = fabsf (__imag__ x);
float d;
int scale = 0;
- if (fabsf (__real__ x) > FLT_MAX / 2.0f
- || fabsf (__imag__ x) > FLT_MAX / 2.0f)
+ if (absx > FLT_MAX / 2.0f)
{
scale = -1;
- __real__ x = __scalbnf (__real__ x, scale);
- __imag__ x = __scalbnf (__imag__ x, scale);
+ absx = __scalbnf (absx, scale);
+ absy = (absy >= FLT_MIN * 2.0f ? __scalbnf (absy, scale) : 0.0f);
}
- else if (fabsf (__real__ x) < FLT_MIN
- && fabsf (__imag__ x) < FLT_MIN)
+ else if (absy > FLT_MAX / 2.0f)
+ {
+ scale = -1;
+ absx = (absx >= FLT_MIN * 2.0f ? __scalbnf (absx, scale) : 0.0f);
+ absy = __scalbnf (absy, scale);
+ }
+ else if (absx < FLT_MIN && absy < FLT_MIN)
{
scale = FLT_MANT_DIG;
- __real__ x = __scalbnf (__real__ x, scale);
- __imag__ x = __scalbnf (__imag__ x, scale);
+ absx = __scalbnf (absx, scale);
+ absy = __scalbnf (absy, scale);
}
- d = __ieee754_hypotf (__real__ x, __imag__ x);
+ d = __ieee754_hypotf (absx, absy);
__real__ result = __ieee754_log10f (d) - scale * M_LOG10_2f;
__imag__ result = M_LOG10E * __ieee754_atan2f (__imag__ x, __real__ x);
diff --git a/math/s_clog10l.c b/math/s_clog10l.c
index d1fc872..3e0ceaa 100644
--- a/math/s_clog10l.c
+++ b/math/s_clog10l.c
@@ -43,25 +43,30 @@ __clog10l (__complex__ long double x)
else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
{
/* Neither real nor imaginary part is NaN. */
+ long double absx = fabsl (__real__ x), absy = fabsl (__imag__ x);
long double d;
int scale = 0;
- if (fabsl (__real__ x) > LDBL_MAX / 2.0L
- || fabsl (__imag__ x) > LDBL_MAX / 2.0L)
+ if (absx > LDBL_MAX / 2.0L)
{
scale = -1;
- __real__ x = __scalbnl (__real__ x, scale);
- __imag__ x = __scalbnl (__imag__ x, scale);
+ absx = __scalbnl (absx, scale);
+ absy = (absy >= LDBL_MIN * 2.0L ? __scalbnl (absy, scale) : 0.0L);
}
- else if (fabsl (__real__ x) < LDBL_MIN
- && fabsl (__imag__ x) < LDBL_MIN)
+ else if (absy > LDBL_MAX / 2.0L)
+ {
+ scale = -1;
+ absx = (absx >= LDBL_MIN * 2.0L ? __scalbnl (absx, scale) : 0.0L);
+ absy = __scalbnl (absy, scale);
+ }
+ else if (absx < LDBL_MIN && absy < LDBL_MIN)
{
scale = LDBL_MANT_DIG;
- __real__ x = __scalbnl (__real__ x, scale);
- __imag__ x = __scalbnl (__imag__ x, scale);
+ absx = __scalbnl (absx, scale);
+ absy = __scalbnl (absy, scale);
}
- d = __ieee754_hypotl (__real__ x, __imag__ x);
+ d = __ieee754_hypotl (absx, absy);
__real__ result = __ieee754_log10l (d) - scale * M_LOG10_2l;
__imag__ result = M_LOG10El * __ieee754_atan2l (__imag__ x, __real__ x);
diff --git a/math/s_clogf.c b/math/s_clogf.c
index 0b27506..e20e594 100644
--- a/math/s_clogf.c
+++ b/math/s_clogf.c
@@ -40,25 +40,30 @@ __clogf (__complex__ float x)
else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
{
/* Neither real nor imaginary part is NaN. */
+ float absx = fabsf (__real__ x), absy = fabsf (__imag__ x);
float d;
int scale = 0;
- if (fabsf (__real__ x) > FLT_MAX / 2.0f
- || fabsf (__imag__ x) > FLT_MAX / 2.0f)
+ if (absx > FLT_MAX / 2.0f)
{
scale = -1;
- __real__ x = __scalbnf (__real__ x, scale);
- __imag__ x = __scalbnf (__imag__ x, scale);
+ absx = __scalbnf (absx, scale);
+ absy = (absy >= FLT_MIN * 2.0f ? __scalbnf (absy, scale) : 0.0f);
}
- else if (fabsf (__real__ x) < FLT_MIN
- && fabsf (__imag__ x) < FLT_MIN)
+ else if (absy > FLT_MAX / 2.0f)
+ {
+ scale = -1;
+ absx = (absx >= FLT_MIN * 2.0f ? __scalbnf (absx, scale) : 0.0f);
+ absy = __scalbnf (absy, scale);
+ }
+ else if (absx < FLT_MIN && absy < FLT_MIN)
{
scale = FLT_MANT_DIG;
- __real__ x = __scalbnf (__real__ x, scale);
- __imag__ x = __scalbnf (__imag__ x, scale);
+ absx = __scalbnf (absx, scale);
+ absy = __scalbnf (absy, scale);
}
- d = __ieee754_hypotf (__real__ x, __imag__ x);
+ d = __ieee754_hypotf (absx, absy);
__real__ result = __ieee754_logf (d) - scale * (float) M_LN2;
__imag__ result = __ieee754_atan2f (__imag__ x, __real__ x);
diff --git a/math/s_clogl.c b/math/s_clogl.c
index 8968eef..a393b88 100644
--- a/math/s_clogl.c
+++ b/math/s_clogl.c
@@ -40,25 +40,30 @@ __clogl (__complex__ long double x)
else if (__builtin_expect (rcls != FP_NAN && icls != FP_NAN, 1))
{
/* Neither real nor imaginary part is NaN. */
+ long double absx = fabsl (__real__ x), absy = fabsl (__imag__ x);
long double d;
int scale = 0;
- if (fabsl (__real__ x) > LDBL_MAX / 2.0L
- || fabsl (__imag__ x) > LDBL_MAX / 2.0L)
+ if (absx > LDBL_MAX / 2.0L)
{
scale = -1;
- __real__ x = __scalbnl (__real__ x, scale);
- __imag__ x = __scalbnl (__imag__ x, scale);
+ absx = __scalbnl (absx, scale);
+ absy = (absy >= LDBL_MIN * 2.0L ? __scalbnl (absy, scale) : 0.0L);
}
- else if (fabsl (__real__ x) < LDBL_MIN
- && fabsl (__imag__ x) < LDBL_MIN)
+ else if (absy > LDBL_MAX / 2.0L)
+ {
+ scale = -1;
+ absx = (absx >= LDBL_MIN * 2.0L ? __scalbnl (absx, scale) : 0.0L);
+ absy = __scalbnl (absy, scale);
+ }
+ else if (absx < LDBL_MIN && absy < LDBL_MIN)
{
scale = LDBL_MANT_DIG;
- __real__ x = __scalbnl (__real__ x, scale);
- __imag__ x = __scalbnl (__imag__ x, scale);
+ absx = __scalbnl (absx, scale);
+ absy = __scalbnl (absy, scale);
}
- d = __ieee754_hypotl (__real__ x, __imag__ x);
+ d = __ieee754_hypotl (absx, absy);
__real__ result = __ieee754_logl (d) - scale * M_LN2l;
__imag__ result = __ieee754_atan2l (__imag__ x, __real__ x);