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-rw-r--r--stdlib/drand48-iter.c47
-rw-r--r--stdlib/drand48.c4
-rw-r--r--stdlib/drand48_r.c4
-rw-r--r--stdlib/erand48_r.c11
-rw-r--r--stdlib/jrand48_r.c5
-rw-r--r--stdlib/lcong48_r.c22
-rw-r--r--stdlib/lrand48.c4
-rw-r--r--stdlib/lrand48_r.c4
-rw-r--r--stdlib/mrand48.c4
-rw-r--r--stdlib/mrand48_r.c4
-rw-r--r--stdlib/seed48.c4
-rw-r--r--stdlib/seed48_r.c29
-rw-r--r--stdlib/srand48_r.c28
-rw-r--r--stdlib/stdlib.h16
14 files changed, 61 insertions, 125 deletions
diff --git a/stdlib/drand48-iter.c b/stdlib/drand48-iter.c
index 707be8e566..3e8ea0e9c6 100644
--- a/stdlib/drand48-iter.c
+++ b/stdlib/drand48-iter.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -20,6 +20,7 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <limits.h>
+#include <stdint.h>
 #include <sys/types.h>
 
 /* Global state for non-reentrant functions.  */
@@ -31,50 +32,28 @@ __drand48_iterate (xsubi, buffer)
      unsigned short int xsubi[3];
      struct drand48_data *buffer;
 {
-  u_int64_t X, a, result;
+  uint64_t X;
+  uint64_t result;
 
   /* Initialize buffer, if not yet done.  */
-  if (!buffer->init)
+  if (__builtin_expect (!buffer->__init, 0))
     {
-#if (USHRT_MAX == 0xffffU)
-      buffer->a[2] = 0x5;
-      buffer->a[1] = 0xdeec;
-      buffer->a[0] = 0xe66d;
-#else
-      buffer->a[2] = 0x5deecUL;
-      buffer->a[1] = 0xe66d0000UL;
-      buffer->a[0] = 0;
-#endif
-      buffer->c = 0xb;
-      buffer->init = 1;
+      buffer->__a = 0x5deece66dull;
+      buffer->__c = 0xb;
+      buffer->__init = 1;
     }
 
   /* Do the real work.  We choose a data type which contains at least
      48 bits.  Because we compute the modulus it does not care how
      many bits really are computed.  */
 
-  if (sizeof (unsigned short int) == 2)
-    {
-      X = (u_int64_t)xsubi[2] << 32 | (u_int64_t)xsubi[1] << 16 | xsubi[0];
-      a = ((u_int64_t)buffer->a[2] << 32 | (u_int64_t)buffer->a[1] << 16
-	   | buffer->a[0]);
-
-      result = X * a + buffer->c;
-
-      xsubi[0] = result & 0xffff;
-      xsubi[1] = (result >> 16) & 0xffff;
-      xsubi[2] = (result >> 32) & 0xffff;
-    }
-  else
-    {
-      X = (u_int64_t)xsubi[2] << 16 | xsubi[1] >> 16;
-      a = (u_int64_t)buffer->a[2] << 16 | buffer->a[1] >> 16;
+  X = (uint64_t) xsubi[2] << 32 | (uint32_t) xsubi[1] << 16 | xsubi[0];
 
-      result = X * a + buffer->c;
+  result = X * buffer->__a + buffer->__c;
 
-      xsubi[0] = result >> 16 & 0xffffffffl;
-      xsubi[1] = result << 16 & 0xffff0000l;
-    }
+  xsubi[0] = result & 0xffff;
+  xsubi[1] = (result >> 16) & 0xffff;
+  xsubi[2] = (result >> 32) & 0xffff;
 
   return 0;
 }
diff --git a/stdlib/drand48.c b/stdlib/drand48.c
index 4668ead152..fe08a08696 100644
--- a/stdlib/drand48.c
+++ b/stdlib/drand48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -27,7 +27,7 @@ drand48 ()
 {
   double result;
 
-  (void) __erand48_r (__libc_drand48_data.x, &__libc_drand48_data, &result);
+  (void) __erand48_r (__libc_drand48_data.__x, &__libc_drand48_data, &result);
 
   return result;
 }
diff --git a/stdlib/drand48_r.c b/stdlib/drand48_r.c
index 066c400f9c..af52924b98 100644
--- a/stdlib/drand48_r.c
+++ b/stdlib/drand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -26,5 +26,5 @@ drand48_r (buffer, result)
      struct drand48_data *buffer;
      double *result;
 {
-  return __erand48_r (buffer->x, buffer, result);
+  return __erand48_r (buffer->__x, buffer, result);
 }
diff --git a/stdlib/erand48_r.c b/stdlib/erand48_r.c
index 85393b79f6..3ce78e306e 100644
--- a/stdlib/erand48_r.c
+++ b/stdlib/erand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1997, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -37,19 +37,10 @@ __erand48_r (xsubi, buffer, result)
   /* Construct a positive double with the 48 random bits distributed over
      its fractional part so the resulting FP number is [0.0,1.0).  */
 
-#if USHRT_MAX == 65535
   temp.ieee.negative = 0;
   temp.ieee.exponent = IEEE754_DOUBLE_BIAS;
   temp.ieee.mantissa0 = (xsubi[2] << 4) | (xsubi[1] >> 12);
   temp.ieee.mantissa1 = ((xsubi[1] & 0xfff) << 20) | (xsubi[0] << 4);
-#elif USHRT_MAX == 2147483647
-  temp.ieee.negative = 0;
-  temp.ieee.exponent = IEEE754_DOUBLE_BIAS;
-  temp.ieee.mantissa0 = (xsubi[1] << 4) | (xsubi[0] >> 28);
-  temp.ieee.mantissa1 = ((xsubi[0] & 0xfffffff) << 4);
-#else
-# error Unsupported size of short int
-#endif
 
   /* Please note the lower 4 bits of mantissa1 are always 0.  */
   *result = temp.d - 1.0;
diff --git a/stdlib/jrand48_r.c b/stdlib/jrand48_r.c
index 9df36942f6..dae1606e95 100644
--- a/stdlib/jrand48_r.c
+++ b/stdlib/jrand48_r.c
@@ -30,10 +30,7 @@ __jrand48_r (xsubi, buffer, result)
     return -1;
 
   /* Store the result.  */
-  if (sizeof (unsigned short int) == 2)
-    *result = ((xsubi[2] << 16) | xsubi[1]) & 0xffffffffl;
-  else
-    *result = xsubi[2] & 0xffffffffl;
+  *result = ((xsubi[2] << 16) | xsubi[1]) & 0xffffffffl;
 
   return 0;
 }
diff --git a/stdlib/lcong48_r.c b/stdlib/lcong48_r.c
index 32b948c946..27cab449a5 100644
--- a/stdlib/lcong48_r.c
+++ b/stdlib/lcong48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1997, 1998, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -17,6 +17,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
@@ -27,20 +28,11 @@ __lcong48_r (param, buffer)
      struct drand48_data *buffer;
 {
   /* Store the given values.  */
-#if USHRT_MAX == 0xffffU
-  memcpy (buffer->x, &param[0], sizeof (buffer->x));
-  memcpy (buffer->a, &param[3], sizeof (buffer->a));
-#else
-  buffer->x[2] = (param[2] << 16) | param[1];
-  buffer->x[1] = param[0] << 16;
-  buffer->x[0] = 0;
-
-  buffer->a[2] = (param[5] << 16) | param[4];
-  buffer->a[1] = param[3] << 16;
-  buffer->a[0] = 0;
-#endif
-  buffer->c = param[6];
-  buffer->init = 1;
+  memcpy (buffer->__x, &param[0], sizeof (buffer->__x));
+  buffer->__a = ((uint64_t) param[5] << 32 | (uint32_t) param[4] << 16
+		 | param[3]);
+  buffer->__c = param[6];
+  buffer->__init = 1;
 
   return 0;
 }
diff --git a/stdlib/lrand48.c b/stdlib/lrand48.c
index 1857ed4291..3442549274 100644
--- a/stdlib/lrand48.c
+++ b/stdlib/lrand48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -27,7 +27,7 @@ lrand48 ()
 {
   long int result;
 
-  (void) __nrand48_r (__libc_drand48_data.x, &__libc_drand48_data, &result);
+  (void) __nrand48_r (__libc_drand48_data.__x, &__libc_drand48_data, &result);
 
   return result;
 }
diff --git a/stdlib/lrand48_r.c b/stdlib/lrand48_r.c
index 4890923a74..e1fe56cf80 100644
--- a/stdlib/lrand48_r.c
+++ b/stdlib/lrand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1997, 1998, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -28,5 +28,5 @@ lrand48_r (buffer, result)
   if (buffer == NULL)
    return -1;
 
-  return __nrand48_r (buffer->x, buffer, result);
+  return __nrand48_r (buffer->__x, buffer, result);
 }
diff --git a/stdlib/mrand48.c b/stdlib/mrand48.c
index aebb9b0117..fc62fdcf57 100644
--- a/stdlib/mrand48.c
+++ b/stdlib/mrand48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -27,7 +27,7 @@ mrand48 ()
 {
   long int result;
 
-  (void) __jrand48_r (__libc_drand48_data.x, &__libc_drand48_data, &result);
+  (void) __jrand48_r (__libc_drand48_data.__x, &__libc_drand48_data, &result);
 
   return result;
 }
diff --git a/stdlib/mrand48_r.c b/stdlib/mrand48_r.c
index 3ed5643e00..32c199e324 100644
--- a/stdlib/mrand48_r.c
+++ b/stdlib/mrand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1997, 1998, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -28,5 +28,5 @@ mrand48_r (buffer, result)
   if (buffer == NULL)
    return -1;
 
-  return __jrand48_r (buffer->x, buffer, result);
+  return __jrand48_r (buffer->__x, buffer, result);
 }
diff --git a/stdlib/seed48.c b/stdlib/seed48.c
index 19bb215529..b6f9a74105 100644
--- a/stdlib/seed48.c
+++ b/stdlib/seed48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -28,5 +28,5 @@ seed48 (seed16v)
 {
   (void) __seed48_r (seed16v, &__libc_drand48_data);
 
-  return __libc_drand48_data.old_x;
+  return __libc_drand48_data.__old_x;
 }
diff --git a/stdlib/seed48_r.c b/stdlib/seed48_r.c
index 910a2256c6..16706e9136 100644
--- a/stdlib/seed48_r.c
+++ b/stdlib/seed48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1997, 1998, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -27,28 +27,15 @@ __seed48_r (seed16v, buffer)
      struct drand48_data *buffer;
 {
   /* Save old value at a private place to be used as return value.  */
-  memcpy (buffer->old_x, buffer->x, sizeof (buffer->x));
+  memcpy (buffer->__old_x, buffer->__x, sizeof (buffer->__x));
 
   /* Install new state.  */
-#if USHRT_MAX == 0xffffU
-  buffer->x[2] = seed16v[2];
-  buffer->x[1] = seed16v[1];
-  buffer->x[0] = seed16v[0];
-
-  buffer->a[2] = 0x5;
-  buffer->a[1] = 0xdeec;
-  buffer->a[0] = 0xe66d;
-#else
-  buffer->x[2] = (seed16v[2] << 16) | seed16v[1];
-  buffer->x[1] = seed16v[0] << 16;
-  buffer->x[0] = 0;
-
-  buffer->a[2] = 0x5deecUL;
-  buffer->a[1] = 0xe66d0000UL;
-  buffer->a[0] = 0;
-#endif
-  buffer->c = 0xb;
-  buffer->init = 1;
+  buffer->__x[2] = seed16v[2];
+  buffer->__x[1] = seed16v[1];
+  buffer->__x[0] = seed16v[0];
+  buffer->__a = 0x5deece66dull;
+  buffer->__c = 0xb;
+  buffer->__init = 1;
 
   return 0;
 }
diff --git a/stdlib/srand48_r.c b/stdlib/srand48_r.c
index abaec32e5a..9d0ca76f7c 100644
--- a/stdlib/srand48_r.c
+++ b/stdlib/srand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
@@ -29,25 +29,13 @@ __srand48_r (seedval, buffer)
   if (sizeof (long int) > 4)
     seedval &= 0xffffffffl;
 
-#if USHRT_MAX == 0xffffU
-  buffer->x[2] = seedval >> 16;
-  buffer->x[1] = seedval & 0xffffl;
-  buffer->x[0] = 0x330e;
-
-  buffer->a[2] = 0x5;
-  buffer->a[1] = 0xdeec;
-  buffer->a[0] = 0xe66d;
-#else
-  buffer->x[2] = seedval;
-  buffer->x[1] = 0x330e0000UL;
-  buffer->x[0] = 0;
-
-  buffer->a[2] = 0x5deecUL;
-  buffer->a[1] = 0xe66d0000UL;
-  buffer->a[0] = 0;
-#endif
-  buffer->c = 0xb;
-  buffer->init = 1;
+  buffer->__x[2] = seedval >> 16;
+  buffer->__x[1] = seedval & 0xffffl;
+  buffer->__x[0] = 0x330e;
+
+  buffer->__a = 0x5deece66dull;
+  buffer->__c = 0xb;
+  buffer->__init = 1;
 
   return 0;
 }
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index de127348bc..17f19ac8d6 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -474,17 +474,19 @@ extern void srand48 (long int __seedval) __THROW;
 extern unsigned short int *seed48 (unsigned short int __seed16v[3]) __THROW;
 extern void lcong48 (unsigned short int __param[7]) __THROW;
 
-/* Data structure for communication with thread safe versions.  */
+# ifdef __USE_MISC
+/* Data structure for communication with thread safe versions.  This
+   type is to be regarded as opaque.  It's only exported because users
+   have to allocate objects of this type.  */
 struct drand48_data
   {
-    unsigned short int x[3];	/* Current state.  */
-    unsigned short int a[3];	/* Factor in congruential formula.  */
-    unsigned short int c;	/* Additive const. in congruential formula.  */
-    unsigned short int old_x[3]; /* Old state.  */
-    int init;			/* Flag for initializing.  */
+    unsigned short int __x[3];	/* Current state.  */
+    unsigned short int __old_x[3]; /* Old state.  */
+    unsigned short int __c;	/* Additive const. in congruential formula.  */
+    unsigned short int __init;	/* Flag for initializing.  */
+    unsigned long long int __a;	/* Factor in congruential formula.  */
   };
 
-# ifdef __USE_MISC
 /* Return non-negative, double-precision floating-point value in [0.0,1.0).  */
 extern int drand48_r (struct drand48_data *__restrict __buffer,
 		      double *__restrict __result) __THROW;
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-22 19:16:26 +0000