forked from sheetjs/sheetjs
70 lines
3.1 KiB
JavaScript
70 lines
3.1 KiB
JavaScript
function write_num_cm(type/*:string*/, fmt/*:string*/, val/*:number*/)/*:string*/{
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var idx = fmt.length - 1;
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while(fmt.charCodeAt(idx-1) === 44) --idx;
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return write_num(type, fmt.substr(0,idx), val / Math.pow(10,3*(fmt.length-idx)));
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}
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function write_num_exp(fmt/*:string*/, val/*:number*/)/*:string*/{
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var o/*:string*/;
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var idx = fmt.indexOf("E") - fmt.indexOf(".") - 1;
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if(fmt.match(/^#+0.0E\+0$/)) {
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if(val == 0) return "0.0E+0";
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else if(val < 0) return "-" + write_num_exp(fmt, -val);
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var period = fmt.indexOf("."); if(period === -1) period=fmt.indexOf('E');
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var ee = Math.floor(Math.log(val)*Math.LOG10E)%period;
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if(ee < 0) ee += period;
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o = (val/Math.pow(10,ee)).toPrecision(idx+1+(period+ee)%period);
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if(o.indexOf("e") === -1) {
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var fakee = Math.floor(Math.log(val)*Math.LOG10E);
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if(o.indexOf(".") === -1) o = o.charAt(0) + "." + o.substr(1) + "E+" + (fakee - o.length+ee);
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else o += "E+" + (fakee - ee);
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while(o.substr(0,2) === "0.") {
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o = o.charAt(0) + o.substr(2,period) + "." + o.substr(2+period);
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o = o.replace(/^0+([1-9])/,"$1").replace(/^0+\./,"0.");
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}
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o = o.replace(/\+-/,"-");
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}
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o = o.replace(/^([+-]?)(\d*)\.(\d*)[Ee]/,function($$,$1,$2,$3) { return $1 + $2 + $3.substr(0,(period+ee)%period) + "." + $3.substr(ee) + "E"; });
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} else o = val.toExponential(idx);
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if(fmt.match(/E\+00$/) && o.match(/e[+-]\d$/)) o = o.substr(0,o.length-1) + "0" + o.charAt(o.length-1);
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if(fmt.match(/E\-/) && o.match(/e\+/)) o = o.replace(/e\+/,"e");
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return o.replace("e","E");
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}
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var frac1 = /# (\?+)( ?)\/( ?)(\d+)/;
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function write_num_f1(r/*:Array<string>*/, aval/*:number*/, sign/*:string*/)/*:string*/ {
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var den = parseInt(r[4],10), rr = Math.round(aval * den), base = Math.floor(rr/den);
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var myn = (rr - base*den), myd = den;
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return sign + (base === 0 ? "" : ""+base) + " " + (myn === 0 ? fill(" ", r[1].length + 1 + r[4].length) : pad_(myn,r[1].length) + r[2] + "/" + r[3] + pad0(myd,r[4].length));
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}
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function write_num_f2(r/*:Array<string>*/, aval/*:number*/, sign/*:string*/)/*:string*/ {
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return sign + (aval === 0 ? "" : ""+aval) + fill(" ", r[1].length + 2 + r[4].length);
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}
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var dec1 = /^#*0*\.([0#]+)/;
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var closeparen = /\)[^)]*[0#]/;
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var phone = /\(###\) ###\\?-####/;
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function hashq(str/*:string*/)/*:string*/ {
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var o = "", cc;
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for(var i = 0; i != str.length; ++i) switch((cc=str.charCodeAt(i))) {
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case 35: break;
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case 63: o+= " "; break;
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case 48: o+= "0"; break;
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default: o+= String.fromCharCode(cc);
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}
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return o;
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}
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function rnd(val/*:number*/, d/*:number*/)/*:string*/ { var dd = Math.pow(10,d); return ""+(Math.round(val * dd)/dd); }
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function dec(val/*:number*/, d/*:number*/)/*:number*/ {
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var _frac = val - Math.floor(val), dd = Math.pow(10,d);
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if (d < ('' + Math.round(_frac * dd)).length) return 0;
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return Math.round(_frac * dd);
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}
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function carry(val/*:number*/, d/*:number*/)/*:number*/ {
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if (d < ('' + Math.round((val-Math.floor(val))*Math.pow(10,d))).length) {
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return 1;
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}
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return 0;
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}
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function flr(val/*:number*/)/*:string*/ {
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if(val < 2147483647 && val > -2147483648) return ""+(val >= 0 ? (val|0) : (val-1|0));
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return ""+Math.floor(val);
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}
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