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139 lines
3.4 KiB
Plaintext
139 lines
3.4 KiB
Plaintext
7 months ago
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*! version 1.1.0 11/4/94 (STB-25: dm28)
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program define nicenum
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version 4.0
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local mac "`1'"
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if "`2'" != "=" {
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di in red /*
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*/ "nicenum macroname = arglist [if expr] [in range], Number(#)"
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error 198
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}
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mac shift 2
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local remain "`*'"
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parse "`*'", parse(",")
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local arglist "`1'"
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local opts "`3'"
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parse "`arglist'", parse(" ")
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while "`1'" != "" & "`1'" != "if" & "`1'" != "in" {
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capture confirm var `1'
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if _rc != 0 {
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local numlist "`numlist' `1'"
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}
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else { local varlist "`varlist' `1'" }
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mac shift
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}
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tempvar use
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mark `use' `*'
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markout `use' `varlist'
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tempname gmin gmax
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scalar `gmin' = . /* uninitialized state */
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scalar `gmax' = .
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if "`varlist'" != "" {
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parse "`varlist'", parse(" ")
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quietly summ `1' if `use'
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scalar `gmin' = _result(5)
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scalar `gmax' = _result(6)
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mac shift
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while "`1'" != "" {
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quietly summ `1' if `use'
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scalar `gmin'=cond(_result(5)<`gmin',_result(5),`gmin')
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scalar `gmax'=cond(_result(6)>`gmax',_result(6),`gmax')
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mac shift
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}
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}
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parse "`numlist'", parse(" ")
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while "`1'" != "" {
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if `gmin'==. { scalar `gmin' = `1' }
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if `gmax'==. { scalar `gmax' = `1' }
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scalar `gmin' = cond(`1'<`gmin',`1',`gmin')
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scalar `gmax' = cond(`1'>`gmax',`1',`gmax')
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mac shift
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}
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local command "`*' , `opts'"
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local varlist "opt"
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local options "Number(int 4)"
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parse "`command'"
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if `number' < 1 | `number' > 19 {
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di in red "number must be in [1,19]"
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error 198
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}
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local inter = `number' + 1
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local ntick = `inter'
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quietly {
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tempname gran exp d f nf tmp1 tmp2
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scalar `gran' = `gmax'-`gmin'
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scalar `exp' = log10(`gran')
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scalar `exp' = int(`exp') - (`exp'<0.0)
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scalar `f' = `gran'/(10^`exp')
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if `f' <= 1. { scalar `nf' = 1. }
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else if `f' <= 2. { scalar `nf' = 2. }
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else if `f' <= 5. { scalar `nf' = 5. }
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else { scalar `nf' = 10. }
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scalar `gran' = `nf'*10^`exp'
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scalar `d' = `gran'/(`ntick'-1)
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scalar `exp' = log10(`d')
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scalar `exp' = int(`exp')-(`exp'<0.0)
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scalar `f' = `d'/(10^`exp')
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if `f' < 1.5 { scalar `nf' = 1. }
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else if `f' < 3. { scalar `nf' = 2. }
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else if `f' < 7. { scalar `nf' = 5. }
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else { scalar `nf' = 10. }
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scalar `d' = `nf'*10^`exp'
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scalar `gmin' = `gmin'/`d'
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scalar `gmin' = (int(`gmin') - (`gmin'<0.0))*`d'
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scalar `tmp1' = `gmax'/`d'
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scalar `tmp2' = int(`tmp1')
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if `tmp2' < float(`tmp1') { scalar `tmp2' = `tmp2'+1 }
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scalar `gmax' = `tmp2'*`d'
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scalar `tmp1' = log10(`d')
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local nfrac = int(-`tmp1')+(`tmp1'<0.0)
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if `nfrac'<=0 { local nfrac = 0 }
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if `nfrac' > 20 {
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noi di in red "numbers too small for nice labels"
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error 198
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}
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global `mac' ""
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if `nfrac' == 0 {
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scalar `tmp1' = `gmin'
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}
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else {
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scalar `tmp1' = `gmin' + 1/(10^(`nfrac'+1))
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}
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scalar `tmp2' = `gmax' + `d'/2
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local comma ""
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while `tmp1' <= `tmp2' {
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local stub = int(`tmp1')
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if `nfrac' {
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local gminb = int(`tmp1'*(10^`nfrac'))
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local stubb = int(`stub'*(10^`nfrac'))
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local frac = `gminb'-`stubb'
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local frst = "00000000000000000000" + /*
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*/ string(`frac')
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local fstr = substr("`frst'",-`nfrac',.)
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global `mac' = "${`mac'}`comma'`stub'.`fstr'"
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}
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else {
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local tstr = string(`tmp1')
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global `mac' = "${`mac'}`comma'`tstr'"
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}
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scalar `tmp1' = `tmp1' + `d'
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local comma ","
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}
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end
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