summaryrefslogtreecommitdiff
path: root/sysdeps/m68k
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/m68k')
-rw-r--r--sysdeps/m68k/fpu/__math.h86
-rw-r--r--sysdeps/m68k/fpu/e_atan2.c100
-rw-r--r--sysdeps/m68k/fpu/e_atan2f.c5
-rw-r--r--sysdeps/m68k/fpu/e_atan2l.c5
-rw-r--r--sysdeps/m68k/fpu/e_pow.c137
-rw-r--r--sysdeps/m68k/fpu/e_powf.c5
-rw-r--r--sysdeps/m68k/fpu/e_powl.c5
-rw-r--r--sysdeps/m68k/fpu/s_exp2.c (renamed from sysdeps/m68k/fpu/s_logb.c)2
-rw-r--r--sysdeps/m68k/fpu/s_exp2f.c (renamed from sysdeps/m68k/fpu/s_logbf.c)2
-rw-r--r--sysdeps/m68k/fpu/s_exp2l.c (renamed from sysdeps/m68k/fpu/s_logbl.c)2
-rw-r--r--sysdeps/m68k/fpu/s_log2.c2
-rw-r--r--sysdeps/m68k/fpu/s_log2f.c2
-rw-r--r--sysdeps/m68k/fpu/s_log2l.c2
-rw-r--r--sysdeps/m68k/huge_val.h16
14 files changed, 254 insertions, 117 deletions
diff --git a/sysdeps/m68k/fpu/__math.h b/sysdeps/m68k/fpu/__math.h
index fe01c254d7..d6187015ea 100644
--- a/sysdeps/m68k/fpu/__math.h
+++ b/sysdeps/m68k/fpu/__math.h
@@ -85,7 +85,6 @@ __inline_mathop(__fabs, abs)
__inline_mathop(__rint, int)
__inline_mathop(__expm1, etoxm1)
__inline_mathop(__log1p, lognp1)
-__inline_mathop(__logb, log2)
__inline_mathop(__significand, getman)
__inline_mathop(__log2, log2)
@@ -103,7 +102,6 @@ __inline_mathop(tanh, tanh)
__inline_mathop(rint, int)
__inline_mathop(expm1, etoxm1)
__inline_mathop(log1p, lognp1)
-__inline_mathop(logb, log2)
#endif
#ifdef __USE_MISC
@@ -140,90 +138,6 @@ __m81_defun (float_type, __CONCAT(__ieee754_fmod,s), \
return __result; \
} \
\
-__m81_defun (float_type, __CONCAT(__ieee754_atan2,s), \
- (float_type __y, float_type __x)) \
-{ \
- float_type __pi, __pi_2; \
- \
- __asm ("fmovecr%.x %#0, %0" : "=f" (__pi)); \
- __asm ("fscale%.w %#-1, %0" : "=f" (__pi_2) : "0" (__pi)); \
- if (__x > 0) \
- { \
- if (__y > 0) \
- { \
- if (__x > __y) \
- return __m81_u(__CONCAT(__atan,s)) (__y / __x); \
- else \
- return __pi_2 - __m81_u(__CONCAT(__atan,s)) (__x / __y); \
- } \
- else \
- { \
- if (__x > -__y) \
- return __m81_u(__CONCAT(__atan,s)) (__y / __x); \
- else \
- return -__pi_2 - __m81_u(__CONCAT(__atan,s)) (__x / __y); \
- } \
- } \
- else \
- { \
- if (__y > 0) \
- { \
- if (-__x < __y) \
- return __pi + __m81_u(__CONCAT(__atan,s)) (__y / __x); \
- else \
- return __pi_2 - __m81_u(__CONCAT(__atan,s)) (__x / __y); \
- } \
- else \
- { \
- if (-__x > -__y) \
- return -__pi + __m81_u(__CONCAT(__atan,s)) (__y / __x); \
- else \
- return -__pi_2 - __m81_u(__CONCAT(__atan,s)) (__x / __y); \
- } \
- } \
-} \
- \
-__m81_defun (float_type, __CONCAT(__ieee754_pow,s), \
- (float_type __x, float_type __y)) \
-{ \
- float_type __result; \
- if (__x == 0.0) \
- { \
- if (__y <= 0.0) \
- __result = 0.0 / 0.0; \
- else \
- __result = 0.0; \
- } \
- else if (__y == 0.0 || __x == 1.0) \
- __result = 1.0; \
- else if (__y == 1.0) \
- __result = __x; \
- else if (__y == 2.0) \
- __result = __x * __x; \
- else if (__x == 10.0) \
- __asm("ftentox%.x %1, %0" : "=f" (__result) : "f" (__y)); \
- else if (__x == 2.0) \
- __asm("ftwotox%.x %1, %0" : "=f" (__result) : "f" (__y)); \
- else if (__x < 0.0) \
- { \
- float_type __temp = __m81_u (__CONCAT(__rint,s)) (__y); \
- if (__y == __temp) \
- { \
- int __i = (int) __y; \
- __result = (__m81_u(__CONCAT(__ieee754_exp,s)) \
- (__y * __m81_u(__CONCAT(__ieee754_log,s)) (-__x))); \
- if (__i & 1) \
- __result = -__result; \
- } \
- else \
- __result = 0.0 / 0.0; \
- } \
- else \
- __result = (__m81_u(__CONCAT(__ieee754_exp,s)) \
- (__y * __m81_u(__CONCAT(__ieee754_log,s)) (__x))); \
- return __result; \
-} \
- \
__m81_defun (float_type, __CONCAT(__ieee754_scalb,s), \
(float_type __x, float_type __n)) \
{ \
diff --git a/sysdeps/m68k/fpu/e_atan2.c b/sysdeps/m68k/fpu/e_atan2.c
index ae7a799ad1..58d7555f41 100644
--- a/sysdeps/m68k/fpu/e_atan2.c
+++ b/sysdeps/m68k/fpu/e_atan2.c
@@ -1,2 +1,98 @@
-#define FUNC __ieee754_atan2
-#include <e_fmod.c>
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#define __LIBC_M81_MATH_INLINES
+#include <math.h>
+#include "math_private.h"
+
+#ifndef SUFF
+#define SUFF
+#endif
+#ifndef float_type
+#define float_type double
+#endif
+
+#define __CONCATX(a,b) __CONCAT(a,b)
+
+float_type
+__CONCATX(__ieee754_atan2,SUFF) (float_type y, float_type x)
+{
+ float_type pi, pi_2, z;
+
+ __asm ("fmovecr%.x %#0, %0" : "=f" (pi));
+ __asm ("fscale%.w %#-1, %0" : "=f" (pi_2) : "0" (pi));
+ if (x != x || y != y)
+ z = x + y;
+ else if (y == 0)
+ {
+ if (signbit (x))
+ z = signbit (y) ? -pi : pi;
+ else
+ z = y;
+ }
+ else if (__m81_u(__CONCATX(__isinf,SUFF)) (x))
+ {
+ if (__m81_u(__CONCATX(__isinf,SUFF)) (y))
+ {
+ float_type pi_4;
+ __asm ("fscale%.w %#-1, %0" : "=f" (pi_4) : "0" (pi_2));
+ z = x > 0 ? pi_4 : 3 * pi_4;
+ }
+ else
+ z = x > 0 ? 0 : pi;
+ if (signbit (y))
+ z = -z;
+ }
+ else if (__m81_u(__CONCATX(__isinf,SUFF)) (y))
+ z = y > 0 ? pi_2 : -pi_2;
+ else if (x > 0)
+ {
+ if (y > 0)
+ {
+ if (x > y)
+ z = __m81_u(__CONCATX(__atan,SUFF)) (y / x);
+ else
+ z = pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y);
+ }
+ else
+ {
+ if (x > -y)
+ z = __m81_u(__CONCATX(__atan,SUFF)) (y / x);
+ else
+ z = -pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y);
+ }
+ }
+ else
+ {
+ if (y < 0)
+ {
+ if (-x > y)
+ z = -pi + __m81_u(__CONCATX(__atan,SUFF)) (y / x);
+ else
+ z = -pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y);
+ }
+ else
+ {
+ if (-x > y)
+ z = pi + __m81_u(__CONCATX(__atan,SUFF)) (y / x);
+ else
+ z = pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y);
+ }
+ }
+ return z;
+}
diff --git a/sysdeps/m68k/fpu/e_atan2f.c b/sysdeps/m68k/fpu/e_atan2f.c
index a4c5ebdfd3..a0c750a759 100644
--- a/sysdeps/m68k/fpu/e_atan2f.c
+++ b/sysdeps/m68k/fpu/e_atan2f.c
@@ -1,2 +1,3 @@
-#define FUNC __ieee754_atan2f
-#include <e_fmodf.c>
+#define SUFF f
+#define float_type float
+#include <e_atan2.c>
diff --git a/sysdeps/m68k/fpu/e_atan2l.c b/sysdeps/m68k/fpu/e_atan2l.c
index 0d43a77b9e..426ca94baa 100644
--- a/sysdeps/m68k/fpu/e_atan2l.c
+++ b/sysdeps/m68k/fpu/e_atan2l.c
@@ -1,2 +1,3 @@
-#define FUNC __ieee754_atan2l
-#include <e_fmodl.c>
+#define SUFF l
+#define float_type long double
+#include <e_atan2.c>
diff --git a/sysdeps/m68k/fpu/e_pow.c b/sysdeps/m68k/fpu/e_pow.c
index 29798a15ca..970e8b821b 100644
--- a/sysdeps/m68k/fpu/e_pow.c
+++ b/sysdeps/m68k/fpu/e_pow.c
@@ -1,2 +1,135 @@
-#define FUNC __ieee754_pow
-#include <e_fmod.c>
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#define __LIBC_M81_MATH_INLINES
+#include <math.h>
+#include "math_private.h"
+
+#ifndef SUFF
+#define SUFF
+#endif
+#ifndef float_type
+#define float_type double
+#endif
+
+#define __CONCATX(a,b) __CONCAT(a,b)
+
+float_type
+__CONCATX(__ieee754_pow,SUFF) (float_type x, float_type y)
+{
+ float_type z;
+ float_type ax;
+
+ if (y == 0.0)
+ return 1.0;
+ if (x != x || y != y)
+ return x + y;
+
+ if (__m81_u(__CONCATX(__isinf,SUFF)) (y))
+ {
+ ax = __CONCATX(fabs,SUFF) (x);
+ if (ax == 1)
+ return y - y;
+ if (ax > 1)
+ return y > 0 ? y : 0;
+ else
+ return y < 0 ? -y : 0;
+ }
+
+ if (__CONCATX(fabs,SUFF) (y) == 1)
+ return y > 0 ? x : 1 / x;
+
+ if (y == 2)
+ return x * x;
+ if (y == 0 && x >= 0)
+ return __m81_u(__CONCATX(__ieee754_sqrt,SUFF)) (x);
+
+ if (x == 10.0)
+ {
+ __asm ("ftentox%.x %1, %0" : "=f" (z) : "f" (y));
+ return z;
+ }
+ if (x == 2.0)
+ {
+ __asm ("ftwotox%.x %1, %0" : "=f" (z) : "f" (y));
+ return z;
+ }
+
+ ax = __CONCATX(fabs,SUFF) (x);
+ if (__m81_u(__CONCATX(__isinf,SUFF)) (x) || x == 0 || ax == 1)
+ {
+ z = ax;
+ if (y < 0)
+ z = 1 / z;
+ if (signbit (x))
+ {
+ float_type temp = __m81_u (__CONCATX(__rint,SUFF)) (y);
+ if (y != temp)
+ {
+ if (x == -1)
+ z = (z - z) / (z - z);
+ }
+ else
+ {
+ if (sizeof (float_type) == sizeof (float))
+ {
+ long i = (long) y;
+ if (i & 1)
+ z = -z;
+ }
+ else
+ {
+ long long i = (long long) y;
+ if ((float_type) i == y && i & 1)
+ z = -z;
+ }
+ }
+ }
+ return z;
+ }
+
+ if (x < 0.0)
+ {
+ float_type temp = __m81_u (__CONCATX(__rint,SUFF)) (y);
+ if (y == temp)
+ {
+ long long i = (long long) y;
+ z = (__m81_u(__CONCATX(__ieee754_exp,SUFF))
+ (y * __m81_u(__CONCATX(__ieee754_log,SUFF)) (-x)));
+ if (sizeof (float_type) == sizeof (float))
+ {
+ long i = (long) y;
+ if (i & 1)
+ z = -z;
+ }
+ else
+ {
+ /* If the conversion to long long was inexact assume that y
+ is an even integer. */
+ if ((float_type) i == y && i & 1)
+ z = -z;
+ }
+ }
+ else
+ z = (x - x) / (x - x);
+ }
+ else
+ z = (__m81_u(__CONCATX(__ieee754_exp,SUFF))
+ (y * __m81_u(__CONCATX(__ieee754_log,SUFF)) (x)));
+ return z;
+}
diff --git a/sysdeps/m68k/fpu/e_powf.c b/sysdeps/m68k/fpu/e_powf.c
index 978d32eacc..379014355a 100644
--- a/sysdeps/m68k/fpu/e_powf.c
+++ b/sysdeps/m68k/fpu/e_powf.c
@@ -1,2 +1,3 @@
-#define FUNC __ieee754_powf
-#include <e_fmodf.c>
+#define SUFF f
+#define float_type float
+#include <e_pow.c>
diff --git a/sysdeps/m68k/fpu/e_powl.c b/sysdeps/m68k/fpu/e_powl.c
index 0feec54fec..f71fa34a26 100644
--- a/sysdeps/m68k/fpu/e_powl.c
+++ b/sysdeps/m68k/fpu/e_powl.c
@@ -1,2 +1,3 @@
-#define FUNC __ieee754_powl
-#include <e_fmodl.c>
+#define SUFF l
+#define float_type long double
+#include <e_pow.c>
diff --git a/sysdeps/m68k/fpu/s_logb.c b/sysdeps/m68k/fpu/s_exp2.c
index 9903b3089a..389528092a 100644
--- a/sysdeps/m68k/fpu/s_logb.c
+++ b/sysdeps/m68k/fpu/s_exp2.c
@@ -1,2 +1,2 @@
-#define FUNC logb
+#define FUNC exp2
#include <s_atan.c>
diff --git a/sysdeps/m68k/fpu/s_logbf.c b/sysdeps/m68k/fpu/s_exp2f.c
index 6dcfee5807..20ac916d1a 100644
--- a/sysdeps/m68k/fpu/s_logbf.c
+++ b/sysdeps/m68k/fpu/s_exp2f.c
@@ -1,2 +1,2 @@
-#define FUNC logbf
+#define FUNC exp2f
#include <s_atanf.c>
diff --git a/sysdeps/m68k/fpu/s_logbl.c b/sysdeps/m68k/fpu/s_exp2l.c
index 7d06ac13c4..19121b929d 100644
--- a/sysdeps/m68k/fpu/s_logbl.c
+++ b/sysdeps/m68k/fpu/s_exp2l.c
@@ -1,2 +1,2 @@
-#define FUNC logbl
+#define FUNC exp2l
#include <s_atanl.c>
diff --git a/sysdeps/m68k/fpu/s_log2.c b/sysdeps/m68k/fpu/s_log2.c
new file mode 100644
index 0000000000..26e26bae95
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_log2.c
@@ -0,0 +1,2 @@
+#define FUNC log2
+#include <s_atan.c>
diff --git a/sysdeps/m68k/fpu/s_log2f.c b/sysdeps/m68k/fpu/s_log2f.c
new file mode 100644
index 0000000000..68494322b8
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_log2f.c
@@ -0,0 +1,2 @@
+#define FUNC log2f
+#include <s_atanf.c>
diff --git a/sysdeps/m68k/fpu/s_log2l.c b/sysdeps/m68k/fpu/s_log2l.c
new file mode 100644
index 0000000000..c4eb06332b
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_log2l.c
@@ -0,0 +1,2 @@
+#define FUNC log2l
+#include <s_atanl.c>
diff --git a/sysdeps/m68k/huge_val.h b/sysdeps/m68k/huge_val.h
index c2139580e8..79e87dc2db 100644
--- a/sysdeps/m68k/huge_val.h
+++ b/sysdeps/m68k/huge_val.h
@@ -23,16 +23,10 @@
#include <features.h>
#include <sys/cdefs.h>
-#include <endian.h>
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
-#if __BYTE_ORDER == __BIG_ENDIAN
#define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
-#endif
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define __HUGE_VAL_bytes { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
-#endif
#define __huge_val_t union { unsigned char __c[8]; double __d; }
#ifdef __GNUC__
@@ -48,12 +42,7 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
#ifdef __USE_ISOC9X
-#if __BYTE_ORDER == __BIG_ENDIAN
#define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
-#endif
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
-#endif
#define __huge_valf_t union { unsigned char __c[4]; float __f; }
#ifdef __GNUC__
@@ -65,12 +54,7 @@ static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
#endif /* GCC. */
-#if __BYTE_ORDER == __BIG_ENDIAN
#define __HUGE_VALL_bytes { 0x7f, 0xff, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
-#endif
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define __HUGE_VALL_bytes { 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0x7f, 0, 0 }
-#endif
#define __huge_vall_t union { unsigned char __c[12]; long double __ld; }
#ifdef __GNUC__
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-24 18:59:53 +0000