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-rw-r--r--unix/as.i386/aclrb.c16
-rw-r--r--unix/as.i386/aclrc.c16
-rw-r--r--unix/as.i386/aclrd.c16
-rw-r--r--unix/as.i386/aclri.c16
-rw-r--r--unix/as.i386/aclrl.c16
-rw-r--r--unix/as.i386/aclrr.c16
-rw-r--r--unix/as.i386/aclrs.c16
-rw-r--r--unix/as.i386/amods.s68
-rw-r--r--unix/as.i386/amovc.c16
-rw-r--r--unix/as.i386/amovd.c16
-rw-r--r--unix/as.i386/amovi.c16
-rw-r--r--unix/as.i386/amovl.c16
-rw-r--r--unix/as.i386/amovr.c16
-rw-r--r--unix/as.i386/amovs.c16
-rw-r--r--unix/as.i386/bytmov.c22
-rw-r--r--unix/as.i386/ieee.gx318
-rw-r--r--unix/as.i386/ieeed.x287
-rw-r--r--unix/as.i386/ieeer.x287
-rw-r--r--unix/as.i386/zsvjmp.s45
-rw-r--r--unix/as.i386/zzdebug.c48
20 files changed, 1283 insertions, 0 deletions
diff --git a/unix/as.i386/aclrb.c b/unix/as.i386/aclrb.c
new file mode 100644
index 00000000..0ad8e775
--- /dev/null
+++ b/unix/as.i386/aclrb.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* ACLRB -- Clear a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+ACLRB (a, n)
+XCHAR *a;
+XINT *n;
+{
+ bzero ((char *)a, *n);
+}
diff --git a/unix/as.i386/aclrc.c b/unix/as.i386/aclrc.c
new file mode 100644
index 00000000..5f65a082
--- /dev/null
+++ b/unix/as.i386/aclrc.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* ACLRC -- Clear a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+ACLRC (a, n)
+XCHAR *a;
+XINT *n;
+{
+ bzero ((char *)a, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/aclrd.c b/unix/as.i386/aclrd.c
new file mode 100644
index 00000000..2336f5ee
--- /dev/null
+++ b/unix/as.i386/aclrd.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* ACLRD -- Clear a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+ACLRD (a, n)
+XDOUBLE *a;
+XINT *n;
+{
+ bzero ((char *)a, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/aclri.c b/unix/as.i386/aclri.c
new file mode 100644
index 00000000..8dff5b08
--- /dev/null
+++ b/unix/as.i386/aclri.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* ACLRI -- Clear a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+ACLRI (a, n)
+XINT *a;
+XINT *n;
+{
+ bzero ((char *)a, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/aclrl.c b/unix/as.i386/aclrl.c
new file mode 100644
index 00000000..0fc61dd4
--- /dev/null
+++ b/unix/as.i386/aclrl.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* ACLRL -- Clear a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+ACLRL (a, n)
+XLONG *a;
+XINT *n;
+{
+ bzero ((char *)a, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/aclrr.c b/unix/as.i386/aclrr.c
new file mode 100644
index 00000000..78a56125
--- /dev/null
+++ b/unix/as.i386/aclrr.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* ACLRR -- Clear a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+ACLRR (a, n)
+XREAL *a;
+XINT *n;
+{
+ bzero ((char *)a, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/aclrs.c b/unix/as.i386/aclrs.c
new file mode 100644
index 00000000..2dc2da7a
--- /dev/null
+++ b/unix/as.i386/aclrs.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* ACLRS -- Clear a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+ACLRS (a, n)
+XSHORT *a;
+XINT *n;
+{
+ bzero ((char *)a, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/amods.s b/unix/as.i386/amods.s
new file mode 100644
index 00000000..1356c199
--- /dev/null
+++ b/unix/as.i386/amods.s
@@ -0,0 +1,68 @@
+ .file "amods.o"
+/#
+/# AMODS -- Assembler version of the VOPS routine to work around a compiler
+/* bug.
+/#
+ .data
+ .data
+ .bss
+ .data
+ .align 4
+ .bss
+ .align 4
+VAR_SEG1: .set .,.+4
+ .text
+ .globl amods_
+ .set LF1,12
+amods_:
+ pushl %ebp
+ movl %esp,%ebp
+ subl $12,%esp
+ pushl %edi
+ pushl %esi
+ pushl %ebx
+ movl 20(%ebp),%eax
+ movl (%eax),%ebx
+ leal -1(%ebx),%eax
+ movl %eax,-8(%ebp)
+ xorl %eax,%eax
+ cmpl %eax,-8(%ebp)
+ jl .LE1
+ movl 12(%ebp),%eax
+ leal -2(%eax),%eax
+ movl %eax,%esi
+ movl 8(%ebp),%eax
+ leal -2(%eax),%eax
+ movl %eax,-12(%ebp)
+ movl 16(%ebp),%eax
+ leal -2(%eax),%eax
+ movl %eax,%edi
+ movl $2,%ebx
+ addl %ebx,%esi
+ addl %ebx,%edi
+ addl -12(%ebp),%ebx
+.L77003:
+ movw (%ebx),%ax
+ cwtd
+ idivw (%esi) /# buggy code in original
+ movw %ax,(%edi) /#
+ movl -8(%ebp),%eax
+ addl $2,%ebx
+ addl $2,%edi
+ addl $2,%esi
+ decl %eax
+ movl %eax,-8(%ebp)
+ testl %eax,%eax
+ jge .L77003
+.LE1:
+/ASMQ
+ movl -24(%ebp),%ebx
+ movl -20(%ebp),%esi
+ movl -16(%ebp),%edi
+/ASMEND0
+ leave
+ ret
+/FUNCEND
+
+ .data
+ .text
diff --git a/unix/as.i386/amovc.c b/unix/as.i386/amovc.c
new file mode 100644
index 00000000..1eecb74b
--- /dev/null
+++ b/unix/as.i386/amovc.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* AMOVC -- Copy a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+AMOVC (a, b, n)
+XCHAR *a, *b;
+XINT *n;
+{
+ bcopy ((char *)a, (char *)b, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/amovd.c b/unix/as.i386/amovd.c
new file mode 100644
index 00000000..a56f3c09
--- /dev/null
+++ b/unix/as.i386/amovd.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* AMOVD -- Copy a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+AMOVD (a, b, n)
+XDOUBLE *a, *b;
+XINT *n;
+{
+ bcopy ((char *)a, (char *)b, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/amovi.c b/unix/as.i386/amovi.c
new file mode 100644
index 00000000..930f93ae
--- /dev/null
+++ b/unix/as.i386/amovi.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* AMOVI -- Copy a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+AMOVI (a, b, n)
+XINT *a, *b;
+XINT *n;
+{
+ bcopy ((char *)a, (char *)b, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/amovl.c b/unix/as.i386/amovl.c
new file mode 100644
index 00000000..e125c081
--- /dev/null
+++ b/unix/as.i386/amovl.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* AMOVL -- Copy a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+AMOVL (a, b, n)
+XLONG *a, *b;
+XINT *n;
+{
+ bcopy ((char *)a, (char *)b, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/amovr.c b/unix/as.i386/amovr.c
new file mode 100644
index 00000000..68abfd24
--- /dev/null
+++ b/unix/as.i386/amovr.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* AMOVR -- Copy a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+AMOVR (a, b, n)
+XREAL *a, *b;
+XINT *n;
+{
+ bcopy ((char *)a, (char *)b, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/amovs.c b/unix/as.i386/amovs.c
new file mode 100644
index 00000000..2864f699
--- /dev/null
+++ b/unix/as.i386/amovs.c
@@ -0,0 +1,16 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* AMOVS -- Copy a block of memory.
+ * [Specially optimized for Sun/IRAF].
+ */
+AMOVS (a, b, n)
+XSHORT *a, *b;
+XINT *n;
+{
+ bcopy ((char *)a, (char *)b, *n * sizeof(*a));
+}
diff --git a/unix/as.i386/bytmov.c b/unix/as.i386/bytmov.c
new file mode 100644
index 00000000..8c5bb351
--- /dev/null
+++ b/unix/as.i386/bytmov.c
@@ -0,0 +1,22 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define import_spp
+#define import_knames
+#include <iraf.h>
+
+/* BYTMOV -- Byte move from array "a" to array "b". The move must be
+ * nondestructive, allowing a byte array to be shifted left or right a
+ * few bytes, hence comparison of the addresses of the arrays is necessary
+ * to determine if they overlap.
+ * [Specially optimized version for Sun/IRAF].
+ */
+BYTMOV (a, aoff, b, boff, nbytes)
+XCHAR *a; /* input byte array */
+XINT *aoff; /* first byte in A to be moved */
+XCHAR *b; /* output byte array */
+XINT *boff; /* first byte in B to be written */
+XINT *nbytes; /* number of bytes to move */
+{
+ bcopy ((char *)a + (*aoff-1), (char *)b + (*boff-1), *nbytes);
+}
diff --git a/unix/as.i386/ieee.gx b/unix/as.i386/ieee.gx
new file mode 100644
index 00000000..619271fc
--- /dev/null
+++ b/unix/as.i386/ieee.gx
@@ -0,0 +1,318 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <mach.h>
+
+.help IEEE
+.nf ------------------------------------------------------------------------
+Low level primitives for IEEE to native floating point datatype conversions.
+See also the MII package, which provides a higher level interface, and the
+IEEE related definitions in <mach.h>.
+
+ ieepak[rd] (datum) # scalar conversions
+ ieeupk[rd] (datum)
+ ieevpak[rd] (native, ieee, nelem) # vector conversions
+ ieevupk[rd] (ieee, native, nelem)
+ iee[sg]nan[rd] (NaN) # NaN handling
+ ieemap[rd] (mapin, mapout)
+ ieestat[rd] (nin, nout)
+ ieezstat[rd] ()
+
+The first two routines handle scalar conversions, the second two routines
+vector conversions. The input and output vectors may be the same.
+Unfortunately, for portability reasons, functions cannot be used, so the
+scalar operators do an in-place conversion instead, and are a no-op on an
+unswapped IEEE system. The routines iee[sg]nan[rd] set/get the native
+floating value used to replace NaNs or overflows occuring when converting
+IEEE to the native floating format (any floating value will do, e.g., zero or
+INDEF). If NaN mapping is enabled, the ieestat[rd] routines may be used to
+determine the number of input or output NaN conversions occuring since the
+last call to ieezstat[rd].
+
+The NaN mapping enable switch and statistics counters are UNDEFINED at
+process startup; programs which use the IEEE conversion package should call
+ieemap[rd] to enable or disable NaN mapping, and ieezstat[rd] to initialize
+the statistics counters.
+
+The routines in this file are the "portable" versions. The "portable"
+solution it to merely copy the array, swapping the bytes if necessary - this
+works on any host that uses the IEEE floating format. NaN mapping is
+implemented in the portable code, but will work properly only for input
+conversions; for output, the IEEE NaN value is undefined in the portable
+version of the code (it is trivial to supply this value in an as$ieee.gx
+version of the code).
+If the local host does
+not use IEEE floating, or if a significant efficiency gain can be realized
+by programming in assembler or C, a host specific version of this file should
+be written, placed in AS, and referenced in the MKPKG special file list.
+.endhelp -------------------------------------------------------------------
+
+
+# Give the generic preprocessor some help.
+$if (datatype == r)
+define IEEE_SWAP IEEE_SWAP4
+define BSWAP bswap4
+define NSWAP 4
+define IOFF 1
+$else
+define IEEE_SWAP IEEE_SWAP8
+define BSWAP bswap8
+define NSWAP 8
+define IOFF 2 # S386=2, 1 on other Suns
+$endif
+
+
+# IEEVPAK -- Convert an array in the native floating point format into an
+# array in IEEE floating format. The input and output arrays can be the same.
+
+procedure ieevpak$t (native, ieee, nelem)
+
+PIXEL native[ARB] #I input native floating format array
+PIXEL ieee[ARB] #O output IEEE floating format array
+int nelem #I number of floating point numbers
+
+int i
+PIXEL native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenan$t/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (mapout == NO) {
+ if (IEEE_SWAP == YES)
+ call BSWAP (native, 1, ieee, 1, nelem * NSWAP)
+ else
+ call amov$t (native, ieee, nelem)
+ } else {
+ do i = 1, nelem
+ if (native[i] == native_NaN) {
+ ieee(i) = ieee_NaN
+ nout = nout + 1
+ } else
+ ieee[i] = native[i]
+
+ # Byteswap if necessary.
+ if (IEEE_SWAP == YES)
+ call BSWAP (ieee, 1, ieee, 1, nelem * NSWAP)
+ }
+end
+
+
+# IEEVUPK -- Convert an array in IEEE floating format into the native
+# floating point format. The input and output arrays can be the same.
+
+procedure ieevupk$t (ieee, native, nelem)
+
+PIXEL ieee[ARB] #I input IEEE floating format array
+PIXEL native[ARB] #O output native floating format array
+int nelem #I number of floating point numbers
+
+int i
+$if (datatype == r)
+real fval
+int ival[1]
+% equivalence (fval, ival)
+$else
+double fval
+int ival[2]
+% equivalence (fval, ival)
+$endif
+
+PIXEL native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenan$t/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (IEEE_SWAP == YES) {
+ call BSWAP (ieee, 1, native, 1, nelem * NSWAP)
+ if (mapin != NO)
+ do i = 1, nelem {
+ fval = native[i]
+ if (and (ival[IOFF], NaNmask) == NaNmask) {
+ native[i] = native_NaN
+ nin = nin + 1
+ }
+ }
+ } else {
+ if (mapin == NO)
+ call amov$t (ieee, native, nelem)
+ else {
+ do i = 1, nelem {
+ fval = ieee[i]
+ if (and (ival[IOFF], NaNmask) == NaNmask) {
+ native[i] = native_NaN
+ nin = nin + 1
+ } else
+ native[i] = ieee[i]
+ }
+ }
+ }
+end
+
+
+# IEEPAK -- Convert a native floating point number into IEEE format.
+
+procedure ieepak$t (x)
+
+PIXEL x #U datum to be converted
+
+PIXEL native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenan$t/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (mapout != NO)
+ if (x == native_NaN) {
+ x = ieee_NaN
+ nout = nout + 1
+ }
+ if (IEEE_SWAP == YES)
+ call BSWAP (x, 1, x, 1, NSWAP)
+end
+
+
+# IEEUPK -- Convert an IEEE format number into native floating point.
+
+procedure ieeupk$t (x)
+
+PIXEL x #U datum to be converted
+
+$if (datatype == r)
+real fval
+int ival[1]
+% equivalence (fval, ival)
+$else
+double fval
+int ival[2]
+% equivalence (fval, ival)
+$endif
+
+PIXEL native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenan$t/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (IEEE_SWAP == YES)
+ call BSWAP (x, 1, x, 1, NSWAP)
+ if (mapin != NO) {
+ fval = x
+ if (and (ival[IOFF], NaNmask) == NaNmask) {
+ x = native_NaN
+ nin = nin + 1
+ }
+ }
+end
+
+
+# IEESNAN -- Set the native floating point value used to replace NaNs and
+# overflows when converting IEEE to native. This must be a legal (finite)
+# native floating point value. Setting the reserved native pseudo-NaN value
+# has the side effect of enabling NaN mapping and zeroing the statistics
+# counters.
+
+procedure ieesnan$t (x)
+
+PIXEL x #I native value which will replace NaN
+
+PIXEL native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenan$t/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ native_NaN = x
+ call ieemap$t (YES, YES)
+ nin = 0
+ nout = 0
+end
+
+
+# IEEGNAN -- Get the NaN value.
+
+procedure ieegnan$t (x)
+
+PIXEL x #O native value which will replace NaN
+
+PIXEL native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenan$t/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ x = native_NaN
+end
+
+
+# IEESTAT -- Return statistics on the number of NaNs encountered in input
+# conversions (unpack) and output conversions (pack).
+
+procedure ieestat$t (o_nin, o_nout)
+
+int o_nin #O number of NaN seen on input
+int o_nout #O number of NaN values output
+
+PIXEL native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenan$t/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ o_nin = nin
+ o_nout = nout
+end
+
+
+# IEEZSTAT -- Zero the statistics counters.
+
+procedure ieezstat$t ()
+
+PIXEL native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenan$t/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ nin = 0
+ nout = 0
+end
+
+
+# MACHINE DEPENDENT PART.
+# ---------------------------
+
+# IEEMAP -- Enable or disable NaN mapping.
+#
+# sEEE EEEE Emmm mmmm mmmm mmmm mmmm mmmm
+# 3 2 1 0
+# 1098 7654 3210 9876 5432 1098 7654 3210
+# 7 f 8 0 0 0 0 0
+
+procedure ieemap$t (inval, outval)
+
+int inval #I enable NaN mapping for input?
+int outval #I enable NaN mapping for output?
+
+# MACHDEP.
+$if (datatype == r)
+% real r_quiet_nan
+$else
+% double precision d_quiet_nan
+$endif
+
+PIXEL native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenan$t/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ mapin = inval
+ mapout = outval
+
+ # MACHDEP.
+ if (mapout == YES)
+ $if (datatype == r)
+% ieeenn = r_quiet_NaN()
+ $else
+% ieeenn = d_quiet_NaN()
+ $endif
+
+ if (mapin == YES)
+ $if (datatype == r)
+ NaNmask = 7F800000X
+ $else
+ NaNmask = 7FF00000X
+ $endif
+end
diff --git a/unix/as.i386/ieeed.x b/unix/as.i386/ieeed.x
new file mode 100644
index 00000000..6cdcf0bc
--- /dev/null
+++ b/unix/as.i386/ieeed.x
@@ -0,0 +1,287 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <mach.h>
+
+.help IEEE
+.nf ------------------------------------------------------------------------
+Low level primitives for IEEE to native floating point datatype conversions.
+See also the MII package, which provides a higher level interface, and the
+IEEE related definitions in <mach.h>.
+
+ ieepak[rd] (datum) # scalar conversions
+ ieeupk[rd] (datum)
+ ieevpak[rd] (native, ieee, nelem) # vector conversions
+ ieevupk[rd] (ieee, native, nelem)
+ iee[sg]nan[rd] (NaN) # NaN handling
+ ieemap[rd] (mapin, mapout)
+ ieestat[rd] (nin, nout)
+ ieezstat[rd] ()
+
+The first two routines handle scalar conversions, the second two routines
+vector conversions. The input and output vectors may be the same.
+Unfortunately, for portability reasons, functions cannot be used, so the
+scalar operators do an in-place conversion instead, and are a no-op on an
+unswapped IEEE system. The routines iee[sg]nan[rd] set/get the native
+floating value used to replace NaNs or overflows occuring when converting
+IEEE to the native floating format (any floating value will do, e.g., zero or
+INDEFD). If NaN mapping is enabled, the ieestat[rd] routines may be used to
+determine the number of input or output NaN conversions occuring since the
+last call to ieezstat[rd].
+
+The NaN mapping enable switch and statistics counters are UNDEFINED at
+process startup; programs which use the IEEE conversion package should call
+ieemap[rd] to enable or disable NaN mapping, and ieezstat[rd] to initialize
+the statistics counters.
+
+The routines in this file are the "portable" versions. The "portable"
+solution it to merely copy the array, swapping the bytes if necessary - this
+works on any host that uses the IEEE floating format. NaN mapping is
+implemented in the portable code, but will work properly only for input
+conversions; for output, the IEEE NaN value is undefined in the portable
+version of the code (it is trivial to supply this value in an as$ieee.gx
+version of the code).
+If the local host does
+not use IEEE floating, or if a significant efficiency gain can be realized
+by programming in assembler or C, a host specific version of this file should
+be written, placed in AS, and referenced in the MKPKG special file list.
+.endhelp -------------------------------------------------------------------
+
+
+# Give the generic preprocessor some help.
+define IEEE_SWAP IEEE_SWAP8
+define BSWAP bswap8
+define NSWAP 8
+define IOFF 2 # S386=2, 1 on other Suns
+
+
+# IEEVPAK -- Convert an array in the native floating point format into an
+# array in IEEE floating format. The input and output arrays can be the same.
+
+procedure ieevpakd (native, ieee, nelem)
+
+double native[ARB] #I input native floating format array
+double ieee[ARB] #O output IEEE floating format array
+int nelem #I number of floating point numbers
+
+int i
+double native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenand/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (mapout == NO) {
+ if (IEEE_SWAP == YES)
+ call BSWAP (native, 1, ieee, 1, nelem * NSWAP)
+ else
+ call amovd (native, ieee, nelem)
+ } else {
+ do i = 1, nelem
+ if (native[i] == native_NaN) {
+ ieee(i) = ieee_NaN
+ nout = nout + 1
+ } else
+ ieee[i] = native[i]
+
+ # Byteswap if necessary.
+ if (IEEE_SWAP == YES)
+ call BSWAP (ieee, 1, ieee, 1, nelem * NSWAP)
+ }
+end
+
+
+# IEEVUPK -- Convert an array in IEEE floating format into the native
+# floating point format. The input and output arrays can be the same.
+
+procedure ieevupkd (ieee, native, nelem)
+
+double ieee[ARB] #I input IEEE floating format array
+double native[ARB] #O output native floating format array
+int nelem #I number of floating point numbers
+
+int i
+double fval
+int ival[2]
+% equivalence (fval, ival)
+
+double native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenand/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (IEEE_SWAP == YES) {
+ call BSWAP (ieee, 1, native, 1, nelem * NSWAP)
+ if (mapin != NO)
+ do i = 1, nelem {
+ fval = native[i]
+ if (and (ival[IOFF], NaNmask) == NaNmask) {
+ native[i] = native_NaN
+ nin = nin + 1
+ }
+ }
+ } else {
+ if (mapin == NO)
+ call amovd (ieee, native, nelem)
+ else {
+ do i = 1, nelem {
+ fval = ieee[i]
+ if (and (ival[IOFF], NaNmask) == NaNmask) {
+ native[i] = native_NaN
+ nin = nin + 1
+ } else
+ native[i] = ieee[i]
+ }
+ }
+ }
+end
+
+
+# IEEPAK -- Convert a native floating point number into IEEE format.
+
+procedure ieepakd (x)
+
+double x #U datum to be converted
+
+double native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenand/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (mapout != NO)
+ if (x == native_NaN) {
+ x = ieee_NaN
+ nout = nout + 1
+ }
+ if (IEEE_SWAP == YES)
+ call BSWAP (x, 1, x, 1, NSWAP)
+end
+
+
+# IEEUPK -- Convert an IEEE format number into native floating point.
+
+procedure ieeupkd (x)
+
+double x #U datum to be converted
+
+double fval
+int ival[2]
+% equivalence (fval, ival)
+
+double native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenand/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (IEEE_SWAP == YES)
+ call BSWAP (x, 1, x, 1, NSWAP)
+ if (mapin != NO) {
+ fval = x
+ if (and (ival[IOFF], NaNmask) == NaNmask) {
+ x = native_NaN
+ nin = nin + 1
+ }
+ }
+end
+
+
+# IEESNAN -- Set the native floating point value used to replace NaNs and
+# overflows when converting IEEE to native. This must be a legal (finite)
+# native floating point value. Setting the reserved native pseudo-NaN value
+# has the side effect of enabling NaN mapping and zeroing the statistics
+# counters.
+
+procedure ieesnand (x)
+
+double x #I native value which will replace NaN
+
+double native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenand/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ native_NaN = x
+ call ieemapd (YES, YES)
+ nin = 0
+ nout = 0
+end
+
+
+# IEEGNAN -- Get the NaN value.
+
+procedure ieegnand (x)
+
+double x #O native value which will replace NaN
+
+double native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenand/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ x = native_NaN
+end
+
+
+# IEESTAT -- Return statistics on the number of NaNs encountered in input
+# conversions (unpack) and output conversions (pack).
+
+procedure ieestatd (o_nin, o_nout)
+
+int o_nin #O number of NaN seen on input
+int o_nout #O number of NaN values output
+
+double native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenand/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ o_nin = nin
+ o_nout = nout
+end
+
+
+# IEEZSTAT -- Zero the statistics counters.
+
+procedure ieezstatd ()
+
+double native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenand/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ nin = 0
+ nout = 0
+end
+
+
+# MACHINE DEPENDENT PART.
+# ---------------------------
+
+# IEEMAP -- Enable or disable NaN mapping.
+#
+# sEEE EEEE Emmm mmmm mmmm mmmm mmmm mmmm
+# 3 2 1 0
+# 1098 7654 3210 9876 5432 1098 7654 3210
+# 7 f 8 0 0 0 0 0
+
+procedure ieemapd (inval, outval)
+
+int inval #I enable NaN mapping for input?
+int outval #I enable NaN mapping for output?
+
+# MACHDEP.
+% double precision d_quiet_nan
+
+double native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenand/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ mapin = inval
+ mapout = outval
+
+ # MACHDEP.
+ if (mapout == YES)
+% ieeenn = d_quiet_NaN()
+
+ if (mapin == YES)
+ NaNmask = 7FF00000X
+end
diff --git a/unix/as.i386/ieeer.x b/unix/as.i386/ieeer.x
new file mode 100644
index 00000000..ab4fee53
--- /dev/null
+++ b/unix/as.i386/ieeer.x
@@ -0,0 +1,287 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <mach.h>
+
+.help IEEE
+.nf ------------------------------------------------------------------------
+Low level primitives for IEEE to native floating point datatype conversions.
+See also the MII package, which provides a higher level interface, and the
+IEEE related definitions in <mach.h>.
+
+ ieepak[rd] (datum) # scalar conversions
+ ieeupk[rd] (datum)
+ ieevpak[rd] (native, ieee, nelem) # vector conversions
+ ieevupk[rd] (ieee, native, nelem)
+ iee[sg]nan[rd] (NaN) # NaN handling
+ ieemap[rd] (mapin, mapout)
+ ieestat[rd] (nin, nout)
+ ieezstat[rd] ()
+
+The first two routines handle scalar conversions, the second two routines
+vector conversions. The input and output vectors may be the same.
+Unfortunately, for portability reasons, functions cannot be used, so the
+scalar operators do an in-place conversion instead, and are a no-op on an
+unswapped IEEE system. The routines iee[sg]nan[rd] set/get the native
+floating value used to replace NaNs or overflows occuring when converting
+IEEE to the native floating format (any floating value will do, e.g., zero or
+INDEFR). If NaN mapping is enabled, the ieestat[rd] routines may be used to
+determine the number of input or output NaN conversions occuring since the
+last call to ieezstat[rd].
+
+The NaN mapping enable switch and statistics counters are UNDEFINED at
+process startup; programs which use the IEEE conversion package should call
+ieemap[rd] to enable or disable NaN mapping, and ieezstat[rd] to initialize
+the statistics counters.
+
+The routines in this file are the "portable" versions. The "portable"
+solution it to merely copy the array, swapping the bytes if necessary - this
+works on any host that uses the IEEE floating format. NaN mapping is
+implemented in the portable code, but will work properly only for input
+conversions; for output, the IEEE NaN value is undefined in the portable
+version of the code (it is trivial to supply this value in an as$ieee.gx
+version of the code).
+If the local host does
+not use IEEE floating, or if a significant efficiency gain can be realized
+by programming in assembler or C, a host specific version of this file should
+be written, placed in AS, and referenced in the MKPKG special file list.
+.endhelp -------------------------------------------------------------------
+
+
+# Give the generic preprocessor some help.
+define IEEE_SWAP IEEE_SWAP4
+define BSWAP bswap4
+define NSWAP 4
+define IOFF 1
+
+
+# IEEVPAK -- Convert an array in the native floating point format into an
+# array in IEEE floating format. The input and output arrays can be the same.
+
+procedure ieevpakr (native, ieee, nelem)
+
+real native[ARB] #I input native floating format array
+real ieee[ARB] #O output IEEE floating format array
+int nelem #I number of floating point numbers
+
+int i
+real native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenanr/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (mapout == NO) {
+ if (IEEE_SWAP == YES)
+ call BSWAP (native, 1, ieee, 1, nelem * NSWAP)
+ else
+ call amovr (native, ieee, nelem)
+ } else {
+ do i = 1, nelem
+ if (native[i] == native_NaN) {
+ ieee(i) = ieee_NaN
+ nout = nout + 1
+ } else
+ ieee[i] = native[i]
+
+ # Byteswap if necessary.
+ if (IEEE_SWAP == YES)
+ call BSWAP (ieee, 1, ieee, 1, nelem * NSWAP)
+ }
+end
+
+
+# IEEVUPK -- Convert an array in IEEE floating format into the native
+# floating point format. The input and output arrays can be the same.
+
+procedure ieevupkr (ieee, native, nelem)
+
+real ieee[ARB] #I input IEEE floating format array
+real native[ARB] #O output native floating format array
+int nelem #I number of floating point numbers
+
+int i
+real fval
+int ival[1]
+% equivalence (fval, ival)
+
+real native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenanr/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (IEEE_SWAP == YES) {
+ call BSWAP (ieee, 1, native, 1, nelem * NSWAP)
+ if (mapin != NO)
+ do i = 1, nelem {
+ fval = native[i]
+ if (and (ival[IOFF], NaNmask) == NaNmask) {
+ native[i] = native_NaN
+ nin = nin + 1
+ }
+ }
+ } else {
+ if (mapin == NO)
+ call amovr (ieee, native, nelem)
+ else {
+ do i = 1, nelem {
+ fval = ieee[i]
+ if (and (ival[IOFF], NaNmask) == NaNmask) {
+ native[i] = native_NaN
+ nin = nin + 1
+ } else
+ native[i] = ieee[i]
+ }
+ }
+ }
+end
+
+
+# IEEPAK -- Convert a native floating point number into IEEE format.
+
+procedure ieepakr (x)
+
+real x #U datum to be converted
+
+real native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenanr/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (mapout != NO)
+ if (x == native_NaN) {
+ x = ieee_NaN
+ nout = nout + 1
+ }
+ if (IEEE_SWAP == YES)
+ call BSWAP (x, 1, x, 1, NSWAP)
+end
+
+
+# IEEUPK -- Convert an IEEE format number into native floating point.
+
+procedure ieeupkr (x)
+
+real x #U datum to be converted
+
+real fval
+int ival[1]
+% equivalence (fval, ival)
+
+real native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenanr/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ if (IEEE_SWAP == YES)
+ call BSWAP (x, 1, x, 1, NSWAP)
+ if (mapin != NO) {
+ fval = x
+ if (and (ival[IOFF], NaNmask) == NaNmask) {
+ x = native_NaN
+ nin = nin + 1
+ }
+ }
+end
+
+
+# IEESNAN -- Set the native floating point value used to replace NaNs and
+# overflows when converting IEEE to native. This must be a legal (finite)
+# native floating point value. Setting the reserved native pseudo-NaN value
+# has the side effect of enabling NaN mapping and zeroing the statistics
+# counters.
+
+procedure ieesnanr (x)
+
+real x #I native value which will replace NaN
+
+real native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenanr/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ native_NaN = x
+ call ieemapr (YES, YES)
+ nin = 0
+ nout = 0
+end
+
+
+# IEEGNAN -- Get the NaN value.
+
+procedure ieegnanr (x)
+
+real x #O native value which will replace NaN
+
+real native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenanr/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ x = native_NaN
+end
+
+
+# IEESTAT -- Return statistics on the number of NaNs encountered in input
+# conversions (unpack) and output conversions (pack).
+
+procedure ieestatr (o_nin, o_nout)
+
+int o_nin #O number of NaN seen on input
+int o_nout #O number of NaN values output
+
+real native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenanr/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ o_nin = nin
+ o_nout = nout
+end
+
+
+# IEEZSTAT -- Zero the statistics counters.
+
+procedure ieezstatr ()
+
+real native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenanr/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ nin = 0
+ nout = 0
+end
+
+
+# MACHINE DEPENDENT PART.
+# ---------------------------
+
+# IEEMAP -- Enable or disable NaN mapping.
+#
+# sEEE EEEE Emmm mmmm mmmm mmmm mmmm mmmm
+# 3 2 1 0
+# 1098 7654 3210 9876 5432 1098 7654 3210
+# 7 f 8 0 0 0 0 0
+
+procedure ieemapr (inval, outval)
+
+int inval #I enable NaN mapping for input?
+int outval #I enable NaN mapping for output?
+
+# MACHDEP.
+% real r_quiet_nan
+
+real native_NaN, ieee_NaN
+int mapin, mapout, nin, nout, NaNmask
+common /ieenanr/ native_NaN, ieee_NaN, NaNmask, mapin, mapout, nin, nout
+
+begin
+ mapin = inval
+ mapout = outval
+
+ # MACHDEP.
+ if (mapout == YES)
+% ieeenn = r_quiet_NaN()
+
+ if (mapin == YES)
+ NaNmask = 7F800000X
+end
diff --git a/unix/as.i386/zsvjmp.s b/unix/as.i386/zsvjmp.s
new file mode 100644
index 00000000..cdec4cf5
--- /dev/null
+++ b/unix/as.i386/zsvjmp.s
@@ -0,0 +1,45 @@
+ .file "zsvjmp.s"
+
+/# ZSVJMP, ZDOJMP -- Set up a jump (non-local goto) by saving the processor
+/# registers in the buffer jmpbuf. A subsequent call to ZDOJMP restores
+/# the registers, effecting a call in the context of the procedure which
+/# originally called ZSVJMP, but with the new status code. These are Fortran
+/# callable procedures.
+/#
+/# zsvjmp (jmp_buf, status) # (returns status)
+/# zdojmp (jmp_buf, status) # (passes status to zsvjmp)
+/#
+/# These routines are directly comparable to the UNIX setjmp/longjmp, except
+/# that they are Fortran callable kernel routines, i.e., trailing underscore,
+/# call by reference, and no function returns. ZSVJMP requires an assembler
+/# jacket routine to avoid modifying the call stack, but relies upon setjmp
+/# to do the real work. ZDOJMP is implemented as a portable C routine in OS,
+/# calling longjmp to do the restore. In these routines, JMP_BUF consists
+/# of one longword containing the address of the STATUS variable, followed
+/# by the "jmp_buf" used by setjmp/longjmp.
+/#
+/# This file contains the SUN/UNIX 386i (80386) version of ZSVJMP.
+
+ .globl zsvjmp_
+
+ /# The following has nothing to do with ZSVJMP, and is included here
+ /# only because this assembler module is loaded with every process.
+ /# This code sets the value of the symbol MEM (the VOS or Fortran Mem
+ /# common) to zero, setting the origin for IRAF pointers to zero
+ /# rather than some arbitrary value, and ensuring that the MEM common
+ /# is aligned for all datatypes as well as page aligned. A further
+ /# advantage is that references to NULL pointers are likely to cause a
+ /# memory violation.
+
+ .globl mem_
+ mem_ = 0
+
+ .text
+zsvjmp_:
+ movl 4(%esp), %ecx /# &jmpbuf to ECX
+ movl 8(%esp), %eax /# &status to EAX
+ movl %eax, (%ecx) /# store &status in jmpbuf[0]
+ clrl (%eax) /# zero the value of status
+ addl $4, %ecx /# change stack to point to &jmpbuf[1]
+ movl %ecx, 4(%esp) /# ...
+ jmp setjmp /# let setjmp do the rest
diff --git a/unix/as.i386/zzdebug.c b/unix/as.i386/zzdebug.c
new file mode 100644
index 00000000..81247e78
--- /dev/null
+++ b/unix/as.i386/zzdebug.c
@@ -0,0 +1,48 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#include <stdio.h>
+#define import_spp
+#define import_kernel
+#define import_knames
+#include <iraf.h>
+
+/*
+ * ZZDEBUG -- Test program for ZSVJMP/ZDOJMP. Will return "exit status 1"
+ * if it runs successfully.
+ */
+
+
+int jmpbuf[LEN_JUMPBUF];
+int status;
+
+main()
+{
+ zsvjmp_((char *)jmpbuf, &status);
+ if (status) {
+ printf ("exit status %d\n", status);
+ exit (status);
+ }
+
+ a(1);
+ exit (0);
+}
+
+
+a(status)
+int status;
+{
+ ZDOJMP(jmpbuf, &status);
+}
+
+
+/* ZDOJMP -- Restore the saved processor context (non-local goto). See also
+ * as$zsvjmp.s, where most of the work is done.
+ */
+ZDOJMP (jmpbuf, status)
+XINT *jmpbuf;
+XINT *status;
+{
+ *((int *)jmpbuf[0]) = *status;
+ longjmp (&jmpbuf[1], *status);
+}
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