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-rw-r--r--libjava/java/lang/k_rem_pio2.c78
1 files changed, 39 insertions, 39 deletions
diff --git a/libjava/java/lang/k_rem_pio2.c b/libjava/java/lang/k_rem_pio2.c
index 8569256..2f4ca17 100644
--- a/libjava/java/lang/k_rem_pio2.c
+++ b/libjava/java/lang/k_rem_pio2.c
@@ -6,7 +6,7 @@
*
* 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.
* ====================================================
*/
@@ -14,12 +14,12 @@
/*
* __kernel_rem_pio2(x,y,e0,nx,prec,ipio2)
* double x[],y[]; int e0,nx,prec; int ipio2[];
- *
- * __kernel_rem_pio2 return the last three digits of N with
+ *
+ * __kernel_rem_pio2 return the last three digits of N with
* y = x - N*pi/2
* so that |y| < pi/2.
*
- * The method is to compute the integer (mod 8) and fraction parts of
+ * The method is to compute the integer (mod 8) and fraction parts of
* (2/pi)*x without doing the full multiplication. In general we
* skip the part of the product that are known to be a huge integer (
* more accurately, = 0 mod 8 ). Thus the number of operations are
@@ -28,10 +28,10 @@
* (2/pi) is represented by an array of 24-bit integers in ipio2[].
*
* Input parameters:
- * x[] The input value (must be positive) is broken into nx
+ * x[] The input value (must be positive) is broken into nx
* pieces of 24-bit integers in double precision format.
- * x[i] will be the i-th 24 bit of x. The scaled exponent
- * of x[0] is given in input parameter e0 (i.e., x[0]*2^e0
+ * x[i] will be the i-th 24 bit of x. The scaled exponent
+ * of x[0] is given in input parameter e0 (i.e., x[0]*2^e0
* match x's up to 24 bits.
*
* Example of breaking a double positive z into x[0]+x[1]+x[2]:
@@ -68,8 +68,8 @@
* 3 113 bits (quad)
*
* ipio2[]
- * integer array, contains the (24*i)-th to (24*i+23)-th
- * bit of 2/pi after binary point. The corresponding
+ * integer array, contains the (24*i)-th to (24*i+23)-th
+ * bit of 2/pi after binary point. The corresponding
* floating value is
*
* ipio2[i] * 2^(-24(i+1)).
@@ -84,8 +84,8 @@
* in the computation. The recommended value is 2,3,4,
* 6 for single, double, extended,and quad.
*
- * jz local integer variable indicating the number of
- * terms of ipio2[] used.
+ * jz local integer variable indicating the number of
+ * terms of ipio2[] used.
*
* jx nx - 1
*
@@ -105,9 +105,9 @@
* exponent for q[i] would be q0-24*i.
*
* PIo2[] double precision array, obtained by cutting pi/2
- * into 24 bits chunks.
+ * into 24 bits chunks.
*
- * f[] ipio2[] in floating point
+ * f[] ipio2[] in floating point
*
* iq[] integer array by breaking up q[] in 24-bits chunk.
*
@@ -121,9 +121,9 @@
/*
* Constants:
- * The hexadecimal values are the intended ones for the following
- * constants. The decimal values may be used, provided that the
- * compiler will convert from decimal to binary accurately enough
+ * The hexadecimal values are the intended ones for the following
+ * constants. The decimal values may be used, provided that the
+ * compiler will convert from decimal to binary accurately enough
* to produce the hexadecimal values shown.
*/
@@ -134,7 +134,7 @@
#ifdef __STDC__
static const int init_jk[] = {2,3,4,6}; /* initial value for jk */
#else
-static int init_jk[] = {2,3,4,6};
+static int init_jk[] = {2,3,4,6};
#endif
#ifdef __STDC__
@@ -153,9 +153,9 @@ static double PIo2[] = {
};
#ifdef __STDC__
-static const double
+static const double
#else
-static double
+static double
#endif
zero = 0.0,
one = 1.0,
@@ -163,13 +163,13 @@ two24 = 1.67772160000000000000e+07, /* 0x41700000, 0x00000000 */
twon24 = 5.96046447753906250000e-08; /* 0x3E700000, 0x00000000 */
#ifdef __STDC__
- int __kernel_rem_pio2(double *x, double *y, int e0, int nx, int prec, const __int32_t *ipio2)
+ int __kernel_rem_pio2(double *x, double *y, int e0, int nx, int prec, const int32_t *ipio2)
#else
- int __kernel_rem_pio2(x,y,e0,nx,prec,ipio2)
- double x[], y[]; int e0,nx,prec; __int32_t ipio2[];
+ int __kernel_rem_pio2(x,y,e0,nx,prec,ipio2)
+ double x[], y[]; int e0,nx,prec; int32_t ipio2[];
#endif
{
- __int32_t jz,jx,jv,jp,jk,carry,n,iq[20],i,j,k,m,q0,ih;
+ int32_t jz,jx,jv,jp,jk,carry,n,iq[20],i,j,k,m,q0,ih;
double z,fw,f[20],fq[20],q[20];
/* initialize jk*/
@@ -194,22 +194,22 @@ twon24 = 5.96046447753906250000e-08; /* 0x3E700000, 0x00000000 */
recompute:
/* distill q[] into iq[] reversingly */
for(i=0,j=jz,z=q[jz];j>0;i++,j--) {
- fw = (double)((__int32_t)(twon24* z));
- iq[i] = (__int32_t)(z-two24*fw);
+ fw = (double)((int32_t)(twon24* z));
+ iq[i] = (int32_t)(z-two24*fw);
z = q[j-1]+fw;
}
/* compute n */
z = scalbn(z,(int)q0); /* actual value of z */
z -= 8.0*floor(z*0.125); /* trim off integer >= 8 */
- n = (__int32_t) z;
+ n = (int32_t) z;
z -= (double)n;
ih = 0;
if(q0>0) { /* need iq[jz-1] to determine n */
i = (iq[jz-1]>>(24-q0)); n += i;
iq[jz-1] -= i<<(24-q0);
ih = iq[jz-1]>>(23-q0);
- }
+ }
else if(q0==0) ih = iq[jz-1]>>23;
else if(z>=0.5) ih=2;
@@ -260,12 +260,12 @@ recompute:
while(iq[jz]==0) { jz--; q0-=24;}
} else { /* break z into 24-bit if necessary */
z = scalbn(z,-(int)q0);
- if(z>=two24) {
- fw = (double)((__int32_t)(twon24*z));
- iq[jz] = (__int32_t)(z-two24*fw);
+ if(z>=two24) {
+ fw = (double)((int32_t)(twon24*z));
+ iq[jz] = (int32_t)(z-two24*fw);
jz += 1; q0 += 24;
- iq[jz] = (__int32_t) fw;
- } else iq[jz] = (__int32_t) z ;
+ iq[jz] = (int32_t) fw;
+ } else iq[jz] = (int32_t) z ;
}
/* convert integer "bit" chunk to floating-point value */
@@ -285,29 +285,29 @@ recompute:
case 0:
fw = 0.0;
for (i=jz;i>=0;i--) fw += fq[i];
- y[0] = (ih==0)? fw: -fw;
+ y[0] = (ih==0)? fw: -fw;
break;
case 1:
case 2:
fw = 0.0;
- for (i=jz;i>=0;i--) fw += fq[i];
- y[0] = (ih==0)? fw: -fw;
+ for (i=jz;i>=0;i--) fw += fq[i];
+ y[0] = (ih==0)? fw: -fw;
fw = fq[0]-fw;
for (i=1;i<=jz;i++) fw += fq[i];
- y[1] = (ih==0)? fw: -fw;
+ y[1] = (ih==0)? fw: -fw;
break;
case 3: /* painful */
for (i=jz;i>0;i--) {
- fw = fq[i-1]+fq[i];
+ fw = fq[i-1]+fq[i];
fq[i] += fq[i-1]-fw;
fq[i-1] = fw;
}
for (i=jz;i>1;i--) {
- fw = fq[i-1]+fq[i];
+ fw = fq[i-1]+fq[i];
fq[i] += fq[i-1]-fw;
fq[i-1] = fw;
}
- for (fw=0.0,i=jz;i>=2;i--) fw += fq[i];
+ for (fw=0.0,i=jz;i>=2;i--) fw += fq[i];
if(ih==0) {
y[0] = fq[0]; y[1] = fq[1]; y[2] = fw;
} else {
generated by cgit v1.1 at 2025-03-29 08:11:25 +0000