fix(label): axisLabel precision causes floating-point error in number formatting (toFixed)

[im0505]

Brief Information

This pull request is in the type of:

• bug fixing
• new feature
• others

What does this PR do?

Removing 2 additional digit when to use toFixed for precision

echarts/src/scale/helper.ts

Lines 101 to 104 in f4c244c

	export function getIntervalPrecision(interval: number): number {
	// Tow more digital for tick.
	return getPrecision(interval) + 2;
	}

Try demo

option = {
  grid: {
    left: 300,
  },
  xAxis: {
    type: 'category',
    data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri']
  },
  yAxis: {
    type: 'value',
    interval: 0.0670572916666667,
    max:  0.1341145833333334,
    min: -0.2011718750000001,
    splitNumber: 5
  },
  series: [
    {
      data: [
        0.060546845,
        0.0928, 
        0.00097656, 
        0.02389, 
        0.006238
        ],
      type: 'bar'
    }
  ]
};

Fixed issues

#21036

Details

Before: What was the problem?

toFixed can have residual floating-point noise.
#5986 seems to be covered for now.

After: How does it behave after the fixing?

Document Info

One of the following should be checked.

• This PR doesn't relate to document changes
• The document should be updated later
• The document changes have been made in apache/echarts-doc#xxx

Misc

ZRender Changes

• This PR depends on ZRender changes (ecomfe/zrender#xxx).

Related test cases or examples to use the new APIs

N.A.

Others

Merging options

• Please squash the commits into a single one when merging.

Other information