### ====================================================================
### Convert a list of wk*.dat* files to gnuplot commands.
###
### Usage:
###	gawk -v wkkernels.awk file(s) > foo.gnu
###
### [04-Sep-2025]
### ====================================================================

BEGIN {
    print "XFMT0 = \"%.0f\""
    print "XFMT1 = \"%.1f\""
    print "XMAX = 2"
    print "YFMT = \"%.1f\""
    print "XTICS = 1"
    print "set key off"
    print "set pointsize  0.5"
    print "set size ratio 0.5"
    print "set terminal postscript portrait enhanced color \"Helvetica-Bold\" 11 size 5,2"
    print "set linetype  1 lw 1     lc rgb \"blue\""
    print "set linetype  2 lw 3     lc rgb \"red\""
    print "set linetype  3 lw 1     lc rgb \"black\""
    print "set xlabel \"x\""
    print "set format x XFMT0"
    print "set format y YFMT"
    print "set xtics XTICS"
    print "set xrange [-XMAX:+XMAX]"
    print "set yrange [0:2]"
    print ""
    N = 100
}

# { print "DEBUG: FILENAME = [" FILENAME "]" > "/dev/stderr"; fflush("") }

{
    ++N
    EPSFILE = FILENAME
    sub("[.].*", "", EPSFILE)
    YNAME = EPSFILE
    sub("/tmp/", "", YNAME)
    gsub("_", "\\\\_", YNAME)

    if (FILENAME ~ /[.]dat[.]128/)
	W = "128"
    else if (FILENAME ~ /[.]dat[.]64/)
	W = "80"
    else if (FILENAME ~ /[.]dat[.]53/)
	W = "64"
    else if (FILENAME ~ /[.]dat[.]24/)
	W = "32"
    else if (FILENAME ~ /[.]dat[.]34/)
	W = "d128"
    else if (FILENAME ~ /[.]dat[.]16/)
	W = "d64"
    else if (FILENAME ~ /[.]dat[.]7/)
	W = "d32"
    else
	W = "999"

    if (FILENAME ~ /wk_atanh/)
    {
	print "set xrange [-1:1]"
	print "set xtics 0.5"
	print "set format x XFMT1"
	printf("set title \"%s ulps%s\"\n", YNAME, W)
	printf("set output \"%s.eps\"\n", EPSFILE)
	printf("plot \"%s\", 0.5, 1\n", FILENAME)
	print "set xtics XTICS"
	print "set xrange [-XMAX:+XMAX]"
	print ""
    }
    else if (FILENAME ~ /wk_acosh|wk_asinh/)
    {
	print "set xrange [-40:40]"
	print "set xtics 20"
	print "set format x XFMT0"
	printf("set title \"%s ulps%s\"\n", YNAME, W)
	printf("set output \"%s.eps\"\n", EPSFILE)
	printf("plot \"%s\", 0.5, 1\n", FILENAME)
	print "set xtics XTICS"
	print "set xrange [-XMAX:+XMAX]"
	print ""
    }
    else if (FILENAME ~ /wk_acos|wk_asin|series/)
    {
	print "set xrange [-1:1]"
	print "set xtics 0.5"
	print "set format x XFMT1"
	printf("set title \"%s ulps%s\"\n", YNAME, W)
	printf("set output \"%s.eps\"\n", EPSFILE)
	printf("plot \"%s\", 0.5, 1\n", FILENAME)
	print "set format x XFMT0"
	print "set xtics XTICS"
	print "set xrange [-XMAX:+XMAX]"
	print ""
    }
    else if (FILENAME ~ /wk_atan/)
    {
	print "set xrange [-10:10]"
	print "set xtics 5"
	print "set format x XFMT0"
	printf("set title \"%s ulps%s\"\n", YNAME, W)
	printf("set output \"%s.eps\"\n", EPSFILE)
	printf("plot \"%s\", 0.5, 1\n", FILENAME)
	print "set format x XFMT0"
	print "set xtics XTICS"
	print "set xrange [-XMAX:+XMAX]"
	print ""
    }
    else if (FILENAME ~ /wk_cosh|wk_sinh|wk_tanh/)
    {
	print "set xrange [-30:30]"
	print "set xtics 10"
	printf("set title \"%s ulps%s\"\n", YNAME, W)
	printf("set output \"%s.eps\"\n", EPSFILE)
	printf("plot \"%s\", 0.5, 1\n", FILENAME)
	print "set xtics XTICS"
	print "set xrange [-XMAX:+XMAX]"
	print ""
    }
    else
    {
	printf("set title \"%s ulps%s\"\n", YNAME, W)
	printf("set output \"%s.eps\"\n", EPSFILE)
	printf("plot \"%s\", 0.5, 1\n", FILENAME)
	print ""
    }

    nextfile
}