git.delta.rocks / jrsonnet / refs/commits / d4bcb6859a73

97			("acos".into(), builtin_acos),97			("acos".into(), builtin_acos),
98			("atan".into(), builtin_atan),98			("atan".into(), builtin_atan),
99			("exp".into(), builtin_exp),99			("exp".into(), builtin_exp),
100			("mantissa".into(), builtin_mantissa),
101			("exponent".into(), builtin_exponent),
100			("extVar".into(), builtin_ext_var),102			("extVar".into(), builtin_ext_var),
101			("native".into(), builtin_native),103			("native".into(), builtin_native),
102			("filter".into(), builtin_filter),104			("filter".into(), builtin_filter),
376	})378	})
377}379}
380
381fn frexp(s: f64) -> (f64, i16) {
382	if 0.0 == s {
383		return (s, 0);
384	} else {
385		let lg = s.abs().log2();
386		let x = (lg - lg.floor() - 1.0).exp2();
387		let exp = lg.floor() + 1.0;
388		(s.signum() * x, exp as i16)
389	}
390}
391
392fn builtin_mantissa(context: Context, _loc: Option<&ExprLocation>, args: &ArgsDesc) -> Result<Val> {
393	parse_args!(context, "mantissa", args, 1, [
394		0, x: ty!(number) => Val::Num;
395	], {
396		Ok(Val::Num(frexp(x).0))
397	})
398}
399
400fn builtin_exponent(context: Context, _loc: Option<&ExprLocation>, args: &ArgsDesc) -> Result<Val> {
401	parse_args!(context, "exponent", args, 1, [
402		0, x: ty!(number) => Val::Num;
403	], {
404		Ok(Val::Num(frexp(x).1.into()))
405	})
406}
378407
379fn builtin_ext_var(context: Context, _loc: Option<&ExprLocation>, args: &ArgsDesc) -> Result<Val> {408fn builtin_ext_var(context: Context, _loc: Option<&ExprLocation>, args: &ArgsDesc) -> Result<Val> {
380	parse_args!(context, "extVar", args, 1, [409	parse_args!(context, "extVar", args, 1, [

35  atan:: $intrinsic(atan),35  atan:: $intrinsic(atan),
3636
37  exp:: $intrinsic(exp),37  exp:: $intrinsic(exp),
38  mantissa:: $intrinsic(mantissa),
39  exponent:: $intrinsic(exponent),
3840
39  isString(v):: std.type(v) == 'string',41  isString(v):: std.type(v) == 'string',
40  isNumber(v):: std.type(v) == 'number',42  isNumber(v):: std.type(v) == 'number',