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authorPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-06-28 14:28:04 -0500
committerPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-08-29 12:43:38 -0500
commitfeb62ddacb7b1d772d7383de0228a3977f07fc1e (patch)
tree963280635eb242a98f191744c196d55fadc2550f /math/s_clog10_template.c
parent1dbc54f61e281d3f2c1712dadd12864c42f8a64a (diff)
downloadglibc-feb62ddacb7b1d772d7383de0228a3977f07fc1e.tar.gz
Convert remaining complex function to generated files
Convert cpow, clog, clog10, cexp, csqrt, and cproj functions into generated templates. Note, ldbl-opt still retains s_clog10l.c as the aliasing rules are non-trivial.
Diffstat (limited to 'math/s_clog10_template.c')
-rw-r--r--math/s_clog10_template.c90
1 files changed, 47 insertions, 43 deletions
diff --git a/math/s_clog10_template.c b/math/s_clog10_template.c
index 8d9245bac6..82624e38be 100644
--- a/math/s_clog10_template.c
+++ b/math/s_clog10_template.c
@@ -23,102 +23,106 @@
#include <float.h>
/* log_10 (2). */
-#define M_LOG10_2 0.3010299956639811952137388947244930267682
+#define LOG10_2 M_LIT (0.3010299956639811952137388947244930267682)
/* pi * log10 (e). */
-#define M_PI_LOG10E 1.364376353841841347485783625431355770210
+#define PI_LOG10E M_LIT (1.364376353841841347485783625431355770210)
-__complex__ double
-__clog10 (__complex__ double x)
+CFLOAT
+M_DECL_FUNC (__clog10) (CFLOAT x)
{
- __complex__ double result;
+ CFLOAT result;
int rcls = fpclassify (__real__ x);
int icls = fpclassify (__imag__ x);
if (__glibc_unlikely (rcls == FP_ZERO && icls == FP_ZERO))
{
/* Real and imaginary part are 0.0. */
- __imag__ result = signbit (__real__ x) ? M_PI_LOG10E : 0.0;
- __imag__ result = __copysign (__imag__ result, __imag__ x);
+ __imag__ result = signbit (__real__ x) ? PI_LOG10E : 0;
+ __imag__ result = M_COPYSIGN (__imag__ result, __imag__ x);
/* Yes, the following line raises an exception. */
- __real__ result = -1.0 / fabs (__real__ x);
+ __real__ result = -1 / M_FABS (__real__ x);
}
else if (__glibc_likely (rcls != FP_NAN && icls != FP_NAN))
{
/* Neither real nor imaginary part is NaN. */
- double absx = fabs (__real__ x), absy = fabs (__imag__ x);
+ FLOAT absx = M_FABS (__real__ x), absy = M_FABS (__imag__ x);
int scale = 0;
if (absx < absy)
{
- double t = absx;
+ FLOAT t = absx;
absx = absy;
absy = t;
}
- if (absx > DBL_MAX / 2.0)
+ if (absx > M_MAX / 2)
{
scale = -1;
- absx = __scalbn (absx, scale);
- absy = (absy >= DBL_MIN * 2.0 ? __scalbn (absy, scale) : 0.0);
+ absx = M_SCALBN (absx, scale);
+ absy = (absy >= M_MIN * 2 ? M_SCALBN (absy, scale) : 0);
}
- else if (absx < DBL_MIN && absy < DBL_MIN)
+ else if (absx < M_MIN && absy < M_MIN)
{
- scale = DBL_MANT_DIG;
- absx = __scalbn (absx, scale);
- absy = __scalbn (absy, scale);
+ scale = M_MANT_DIG;
+ absx = M_SCALBN (absx, scale);
+ absy = M_SCALBN (absy, scale);
}
- if (absx == 1.0 && scale == 0)
+ if (absx == 1 && scale == 0)
{
- __real__ result = __log1p (absy * absy) * (M_LOG10E / 2.0);
+ __real__ result = (M_LOG1P (absy * absy)
+ * ((FLOAT) M_MLIT (M_LOG10E) / 2));
math_check_force_underflow_nonneg (__real__ result);
}
- else if (absx > 1.0 && absx < 2.0 && absy < 1.0 && scale == 0)
+ else if (absx > 1 && absx < 2 && absy < 1 && scale == 0)
{
- double d2m1 = (absx - 1.0) * (absx + 1.0);
- if (absy >= DBL_EPSILON)
+ FLOAT d2m1 = (absx - 1) * (absx + 1);
+ if (absy >= M_EPSILON)
d2m1 += absy * absy;
- __real__ result = __log1p (d2m1) * (M_LOG10E / 2.0);
+ __real__ result = M_LOG1P (d2m1) * ((FLOAT) M_MLIT (M_LOG10E) / 2);
}
- else if (absx < 1.0
- && absx >= 0.5
- && absy < DBL_EPSILON / 2.0
+ else if (absx < 1
+ && absx >= M_LIT (0.5)
+ && absy < M_EPSILON / 2
&& scale == 0)
{
- double d2m1 = (absx - 1.0) * (absx + 1.0);
- __real__ result = __log1p (d2m1) * (M_LOG10E / 2.0);
+ FLOAT d2m1 = (absx - 1) * (absx + 1);
+ __real__ result = M_LOG1P (d2m1) * ((FLOAT) M_MLIT (M_LOG10E) / 2);
}
- else if (absx < 1.0
- && absx >= 0.5
+ else if (absx < 1
+ && absx >= M_LIT (0.5)
&& scale == 0
- && absx * absx + absy * absy >= 0.5)
+ && absx * absx + absy * absy >= M_LIT (0.5))
{
- double d2m1 = __x2y2m1 (absx, absy);
- __real__ result = __log1p (d2m1) * (M_LOG10E / 2.0);
+ FLOAT d2m1 = M_SUF (__x2y2m1) (absx, absy);
+ __real__ result = M_LOG1P (d2m1) * ((FLOAT) M_MLIT (M_LOG10E) / 2);
}
else
{
- double d = __ieee754_hypot (absx, absy);
- __real__ result = __ieee754_log10 (d) - scale * M_LOG10_2;
+ FLOAT d = M_HYPOT (absx, absy);
+ __real__ result = M_SUF (__ieee754_log10) (d) - scale * LOG10_2;
}
- __imag__ result = M_LOG10E * __ieee754_atan2 (__imag__ x, __real__ x);
+ __imag__ result = M_MLIT (M_LOG10E) * M_ATAN2 (__imag__ x, __real__ x);
}
else
{
- __imag__ result = __nan ("");
+ __imag__ result = M_NAN;
if (rcls == FP_INFINITE || icls == FP_INFINITE)
/* Real or imaginary part is infinite. */
- __real__ result = HUGE_VAL;
+ __real__ result = M_HUGE_VAL;
else
- __real__ result = __nan ("");
+ __real__ result = M_NAN;
}
return result;
}
-weak_alias (__clog10, clog10)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__clog10, __clog10l)
-weak_alias (__clog10, clog10l)
+
+declare_mgen_alias (__clog10, clog10)
+
+#if M_LIBM_NEED_COMPAT (clog10)
+/* __clog10 is also a public symbol. */
+declare_mgen_libm_compat (__clog10, __clog10)
+declare_mgen_libm_compat (clog10, clog10)
#endif