aboutsummaryrefslogtreecommitdiff
path: root/pkg/tbtables/fitsio/ftd2e.f
diff options
context:
space:
mode:
Diffstat (limited to 'pkg/tbtables/fitsio/ftd2e.f')
-rw-r--r--pkg/tbtables/fitsio/ftd2e.f43
1 files changed, 43 insertions, 0 deletions
diff --git a/pkg/tbtables/fitsio/ftd2e.f b/pkg/tbtables/fitsio/ftd2e.f
new file mode 100644
index 00000000..71cbb7bc
--- /dev/null
+++ b/pkg/tbtables/fitsio/ftd2e.f
@@ -0,0 +1,43 @@
+C----------------------------------------------------------------------
+ subroutine ftd2e(val,dec,cval,vlen,status)
+
+C convert a double precision value to an E format character string
+C If it will fit, the value field will be 20 characters wide;
+C otherwise it will be expanded to up to 35 characters, left
+C justified.
+C
+C val d input value to be converted
+C dec i number of decimal places to display in output string
+C cval c output character string
+C vlen i length of output string
+C status i output error status (0 = OK)
+
+ double precision val
+ integer dec,vlen,status
+ character*35 cval,form*10
+
+ if (status .gt. 0)return
+
+ if (dec .ge. 1 .and. dec .le. 9)then
+ vlen=20
+ write(form,2000)dec
+2000 format('(1pe20.',i1,')')
+ else if (dec .ge. 10 .and. dec .le. 28)then
+ vlen=max(20,dec+7)
+ write(form,2001)vlen,dec
+2001 format('(1pe',i2,'.',i2,')')
+ else
+C illegal number of decimal places were specified
+ status=411
+ call ftpmsg('Error in FTR2E: number of decimal places '
+ & //'is less than 1 or greater than 28.')
+ return
+ endif
+
+ write(cval,form,err=900)val
+ if (cval(1:1) .eq. '*')go to 900
+ return
+
+900 status=402
+ call ftpmsg('Error in FTD2E converting double to En.m string.')
+ end