Add interpolate step

steps/LoSoTo.Interpolate.cwl

+#!/usr/bin/env cwl-runner
+
+class: CommandLineTool
+cwlVersion: v1.0
+id: losoto_abs
+
+doc: |
+  Take absolute value. Needed before smooth if amplitudes are negative!
+  WEIGHT: no need to be weight compliant
+
+requirements:
+InlineJavascriptRequirement:
+  expressionLib:
+   - |
+      function get_config() {
+      var par = ['soltab = ' + inputs.soltab]
+      if (inputs.ncpu !== null) par.push('ncpu='+inputs.ncpu);
+      par.push('[interpolate]')
+      par.push('operation = INTERPOLATE')
+      for(var field_name in inputs){
+          if(field_name === 'input_h5parm' ||
+             field_name === 'soltab' ||
+             field_name === 'ncpu') continue;
+          if(inputs[field_name] === null ||
+             inputs[field_name] === 'null') continue;
+          par.push(field_name+'='+inputs[field_name])
+      }
+      return par
+      }
+InitialWorkDirRequirement:
+  listing:
+    - entryname: 'parset.config'
+      entry: $(get_config().join('\n'))
+    - entryname: $(inputs.input_h5parm.basename)
+        entry: $(inputs.input_h5parm)
+        writable: true
+
+baseCommand: "losoto"
+
+arguments:
+  - $(inputs.input_h5parm.basename)
+  - parset.config
+
+hints:
+  DockerRequirement:
+    dockerPull: lofareosc/prefactor-ci:master
+
+inputs:
+  - id: input_h5parm
+    type: File
+  - id: soltab
+    type: string
+    doc: "Solution table"
+  - id: outsoltab
+    type: string
+    doc: "Name of output soltab"
+  - id: axisToRegrid
+    type: string
+    doc: |
+       Name of the axis for which regridding/interpolation will be done
+  - id: newdelta
+    type:
+      - float
+      - string
+    doc: |
+      Fundamental width between samples after regridding.
+      E.g., “100kHz” or “10s”
+  - id: delta
+    type: string?
+    doc: |
+      Fundamental width between samples in axisToRegrid.
+      E.g., “100kHz” or “10s”. If “”, it is calculated from the axisToRegrid
+      values
+   - id: maxFlaggedWidth
+     type: int?
+     doc: |
+       Maximum allowable width in number of samples (after regridding) above
+       which interpolated values are flagged (e.g., maxFlaggedWidth = 5 would
+       allow gaps of 5 samples or less to be interpolated across but gaps of 6
+       or more would be flagged)
+    - id: log
+      type: bool
+      default: false
+      doc: |
+        Interpolation is done in log10 space, by default False
+outputs:
+  - id: output_h5parm
+    type: File
+    outputBinding:
+      glob: $(inputs.input_h5parm.basename)