From cdaa9fc44c28f39dfe720237814b8d0f07f4d6cd Mon Sep 17 00:00:00 2001
From: "Steven G. Kargl" <kargls@comcast.net>
Date: Sun, 13 Jun 2004 18:25:53 +0000
Subject: [PATCH] random.c: Fix several spelling and formatting mistakes in
comments.
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* random.c: Fix several spelling and formatting mistakes in
comments.
(random_r8): Fix loop to make random numbers range in [0,1(.
Co-Authored-By: Tobias Schlüter <tobias.schlueter@physik.uni-muenchen.de>
From-SVN: r83063
---
libgfortran/ChangeLog | 8 ++++++++
libgfortran/intrinsics/random.c | 26 +++++++++++++-------------
2 files changed, 21 insertions(+), 13 deletions(-)
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 1d4b42365cc9..0f812ea6ba19 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,11 @@
+2004-06-13 Steven G. Kargl <kargls@comcast.net>
+ Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
+
+ * random.c: Fix several spelling and formatting mistakes in
+ comments.
+ (random_r8): Fix loop to make random numbers range in [0,1(.
+
+
2004-06-13 Steven G. Kargl <kargls@comcast.net>
* random.c (random_r4): Burn a random number.
diff --git a/libgfortran/intrinsics/random.c b/libgfortran/intrinsics/random.c
index 73a6cede0f0c..ef09d857e812 100644
--- a/libgfortran/intrinsics/random.c
+++ b/libgfortran/intrinsics/random.c
@@ -416,7 +416,7 @@ arandom_r8 (gfc_array_r8 * harv)
wish to acknowledge the source, as a courtesy.
"There is no copyright on the code below." included the original
-KISS algorithm. */
+KISS algorithm. */
#include "config.h"
#include "libgfortran.h"
@@ -449,7 +449,7 @@ kiss_random_kernel(void)
}
-/* This function produces a REAL(4) value in the uniform distribution
+/* This function produces a REAL(4) value from the uniform distribution
with range [0,1). */
void
@@ -485,7 +485,7 @@ prefix(random_r8) (GFC_REAL_8 *x)
+ kiss_random_kernel ();
*x = (GFC_REAL_8)kiss / (GFC_REAL_8)(~(GFC_UINTEGER_8) 0);
}
- while (*x == 0);
+ while (*x == 1.0);
}
@@ -554,7 +554,7 @@ prefix(arandom_r4) (gfc_array_r4 *x)
}
}
-/* This function fills a REAL(8) array with valuse from the uniform
+/* This function fills a REAL(8) array with values from the uniform
distribution with range [0,1). */
void
@@ -620,7 +620,7 @@ prefix(arandom_r8) (gfc_array_r8 *x)
}
/* prefix(random_seed) is used to seed the PRNG with either a default
- set of seeds or user specified set of seed. prefix(random_seed)
+ set of seeds or user specified set of seeds. prefix(random_seed)
must be called with no argument or exactly one argument. */
void
@@ -633,7 +633,7 @@ random_seed (GFC_INTEGER_4 *size, gfc_array_i4 * put,
if (size == NULL && put == NULL && get == NULL)
{
/* From the standard: "If no argument is present, the processor assigns
- a processor-dependent value to the seed." */
+ a processor-dependent value to the seed." */
kiss_seed[0] = kiss_default_seed[0];
kiss_seed[1] = kiss_default_seed[1];
kiss_seed[2] = kiss_default_seed[2];
@@ -645,37 +645,37 @@ random_seed (GFC_INTEGER_4 *size, gfc_array_i4 * put,
if (put != NULL)
{
- /* If the rank of the array is not 1, abort */
+ /* If the rank of the array is not 1, abort. */
if (GFC_DESCRIPTOR_RANK (put) != 1)
runtime_error ("Array rank of PUT is not 1.");
- /* If the array is too small, abort */
+ /* If the array is too small, abort. */
if (((put->dim[0].ubound + 1 - put->dim[0].lbound)) < kiss_size)
runtime_error ("Array size of PUT is too small.");
if (put->dim[0].stride == 0)
put->dim[0].stride = 1;
- /* This code now should do correct strides. */
+ /* This code now should do correct strides. */
for (i = 0; i < kiss_size; i++)
kiss_seed[i] =(GFC_UINTEGER_4) put->data[i * put->dim[0].stride];
}
- /* Return the seed to GET data */
+ /* Return the seed to GET data. */
if (get != NULL)
{
- /* If the rank of the array is not 1, abort. */
+ /* If the rank of the array is not 1, abort. */
if (GFC_DESCRIPTOR_RANK (get) != 1)
runtime_error ("Array rank of GET is not 1.");
- /* If the array is too small, abort. */
+ /* If the array is too small, abort. */
if (((get->dim[0].ubound + 1 - get->dim[0].lbound)) < kiss_size)
runtime_error ("Array size of GET is too small.");
if (get->dim[0].stride == 0)
get->dim[0].stride = 1;
- /* This code now should do correct strides. */
+ /* This code now should do correct strides. */
for (i = 0; i < kiss_size; i++)
get->data[i * get->dim[0].stride] = (GFC_INTEGER_4) kiss_seed[i];
}
--
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