51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
diff -up R-4.0.0/src/main/machar.c.ppc64 R-4.0.0/src/main/machar.c
|
|
--- R-4.0.0/src/main/machar.c.ppc64 2020-06-02 14:42:18.741222048 -0400
|
|
+++ R-4.0.0/src/main/machar.c 2020-06-02 14:44:26.523106368 -0400
|
|
@@ -98,21 +98,22 @@ MACH_NAME(int *ibeta, int *it, int *irnd
|
|
{
|
|
volatile DTYPE a, b, beta, betain, betah, one,
|
|
t, temp, tempa, temp1, two, y, z, zero;
|
|
- int i, itemp, iz, j, k, mx, nxres;
|
|
+ int i, iz, j, k, mx, nxres;
|
|
|
|
one = 1;
|
|
two = one+one;
|
|
zero = one-one;
|
|
|
|
/* determine ibeta, beta ala malcolm. */
|
|
-
|
|
- a = one;
|
|
+ a = one; // a = <large> = 9.0072e+15 for 'double' is used later
|
|
do {
|
|
a = a + a;
|
|
temp = a + one;
|
|
temp1 = temp - a;
|
|
}
|
|
while(temp1 - one == zero);
|
|
+#ifdef _no_longer___did_overflow_ // on IBM PowerPPC ('Power 8')
|
|
+ int itemp;
|
|
b = one;
|
|
do {
|
|
b = b + b;
|
|
@@ -121,6 +122,9 @@ MACH_NAME(int *ibeta, int *it, int *irnd
|
|
}
|
|
while (itemp == 0);
|
|
*ibeta = itemp;
|
|
+#else
|
|
+ *ibeta = (int) FLT_RADIX;
|
|
+#endif
|
|
beta = *ibeta;
|
|
|
|
/* determine it, irnd */
|
|
diff -up R-4.0.0/src/main/platform.c.ppc64 R-4.0.0/src/main/platform.c
|
|
--- R-4.0.0/src/main/platform.c.ppc64 2020-06-02 14:44:40.940754817 -0400
|
|
+++ R-4.0.0/src/main/platform.c 2020-06-02 14:45:08.940072121 -0400
|
|
@@ -43,6 +43,7 @@
|
|
#include <Rinterface.h>
|
|
#include <Fileio.h>
|
|
#include <ctype.h> /* toupper */
|
|
+#include <float.h> // -> FLT_RADIX
|
|
#include <limits.h>
|
|
#include <string.h>
|
|
#include <stdlib.h> /* for realpath */
|