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Diffstat (limited to 'arch/m68k/math-emu/fp_log.c')
-rw-r--r--arch/m68k/math-emu/fp_log.c46
1 files changed, 17 insertions, 29 deletions
diff --git a/arch/m68k/math-emu/fp_log.c b/arch/m68k/math-emu/fp_log.c
index 0663067870..71a8fc2557 100644
--- a/arch/m68k/math-emu/fp_log.c
+++ b/arch/m68k/math-emu/fp_log.c
@@ -1,6 +1,6 @@
/*
- fp_trig.c: floating-point math routines for the Linux-m68k
+ fp_log.c: floating-point math routines for the Linux-m68k
floating point emulator.
Copyright (c) 1998-1999 David Huggins-Daines / Roman Zippel.
@@ -15,18 +15,15 @@
*/
+#include "fp_arith.h"
#include "fp_emu.h"
+#include "fp_log.h"
-static const struct fp_ext fp_one =
-{
+static const struct fp_ext fp_one = {
.exp = 0x3fff,
};
-extern struct fp_ext *fp_fadd(struct fp_ext *dest, const struct fp_ext *src);
-extern struct fp_ext *fp_fdiv(struct fp_ext *dest, const struct fp_ext *src);
-
-struct fp_ext *
-fp_fsqrt(struct fp_ext *dest, struct fp_ext *src)
+struct fp_ext *fp_fsqrt(struct fp_ext *dest, struct fp_ext *src)
{
struct fp_ext tmp, src2;
int i, exp;
@@ -70,7 +67,8 @@ fp_fsqrt(struct fp_ext *dest, struct fp_ext *src)
* sqrt(x) = 1 + 1/2*(x-1)
* = 1/2*(1+x)
*/
- fp_fadd(dest, &fp_one);
+ /* It is safe to cast away the constness, as fp_one is normalized */
+ fp_fadd(dest, (struct fp_ext *)&fp_one);
dest->exp--; /* * 1/2 */
/*
@@ -98,8 +96,7 @@ fp_fsqrt(struct fp_ext *dest, struct fp_ext *src)
return dest;
}
-struct fp_ext *
-fp_fetoxm1(struct fp_ext *dest, struct fp_ext *src)
+struct fp_ext *fp_fetoxm1(struct fp_ext *dest, struct fp_ext *src)
{
uprint("fetoxm1\n");
@@ -108,8 +105,7 @@ fp_fetoxm1(struct fp_ext *dest, struct fp_ext *src)
return dest;
}
-struct fp_ext *
-fp_fetox(struct fp_ext *dest, struct fp_ext *src)
+struct fp_ext *fp_fetox(struct fp_ext *dest, struct fp_ext *src)
{
uprint("fetox\n");
@@ -118,8 +114,7 @@ fp_fetox(struct fp_ext *dest, struct fp_ext *src)
return dest;
}
-struct fp_ext *
-fp_ftwotox(struct fp_ext *dest, struct fp_ext *src)
+struct fp_ext *fp_ftwotox(struct fp_ext *dest, struct fp_ext *src)
{
uprint("ftwotox\n");
@@ -128,8 +123,7 @@ fp_ftwotox(struct fp_ext *dest, struct fp_ext *src)
return dest;
}
-struct fp_ext *
-fp_ftentox(struct fp_ext *dest, struct fp_ext *src)
+struct fp_ext *fp_ftentox(struct fp_ext *dest, struct fp_ext *src)
{
uprint("ftentox\n");
@@ -138,8 +132,7 @@ fp_ftentox(struct fp_ext *dest, struct fp_ext *src)
return dest;
}
-struct fp_ext *
-fp_flogn(struct fp_ext *dest, struct fp_ext *src)
+struct fp_ext *fp_flogn(struct fp_ext *dest, struct fp_ext *src)
{
uprint("flogn\n");
@@ -148,8 +141,7 @@ fp_flogn(struct fp_ext *dest, struct fp_ext *src)
return dest;
}
-struct fp_ext *
-fp_flognp1(struct fp_ext *dest, struct fp_ext *src)
+struct fp_ext *fp_flognp1(struct fp_ext *dest, struct fp_ext *src)
{
uprint("flognp1\n");
@@ -158,8 +150,7 @@ fp_flognp1(struct fp_ext *dest, struct fp_ext *src)
return dest;
}
-struct fp_ext *
-fp_flog10(struct fp_ext *dest, struct fp_ext *src)
+struct fp_ext *fp_flog10(struct fp_ext *dest, struct fp_ext *src)
{
uprint("flog10\n");
@@ -168,8 +159,7 @@ fp_flog10(struct fp_ext *dest, struct fp_ext *src)
return dest;
}
-struct fp_ext *
-fp_flog2(struct fp_ext *dest, struct fp_ext *src)
+struct fp_ext *fp_flog2(struct fp_ext *dest, struct fp_ext *src)
{
uprint("flog2\n");
@@ -178,8 +168,7 @@ fp_flog2(struct fp_ext *dest, struct fp_ext *src)
return dest;
}
-struct fp_ext *
-fp_fgetexp(struct fp_ext *dest, struct fp_ext *src)
+struct fp_ext *fp_fgetexp(struct fp_ext *dest, struct fp_ext *src)
{
dprint(PINSTR, "fgetexp\n");
@@ -199,8 +188,7 @@ fp_fgetexp(struct fp_ext *dest, struct fp_ext *src)
return dest;
}
-struct fp_ext *
-fp_fgetman(struct fp_ext *dest, struct fp_ext *src)
+struct fp_ext *fp_fgetman(struct fp_ext *dest, struct fp_ext *src)
{
dprint(PINSTR, "fgetman\n");