mirror of https://github.com/ecmwf/eccodes.git
72 lines
1.9 KiB
Modula-2
72 lines
1.9 KiB
Modula-2
# (C) Copyright 2005- ECMWF.
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# moved here to allow different bitsPerValue in second order packing
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unsigned[1] bitsPerValue : dump ;
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alias numberOfBitsContainingEachPackedValue = bitsPerValue;
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alias accuracy = bitsPerValue;
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constant constantFieldHalfByte=8;
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# For grib1 -> grib2
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#constant dataRepresentationTemplateNumber = 0;
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position offsetBeforeData;
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if( bitmapPresent || !GDSPresent ) {
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# For grib1 -> grib2
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constant bitMapIndicator = 0;
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meta codedValues data_g1simple_packing(
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#simple_packing args
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section4Length,
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offsetBeforeData,
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offsetSection4,
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unitsFactor,
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unitsBias,
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changingPrecision,
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numberOfCodedValues,
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bitsPerValue,
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referenceValue,
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binaryScaleFactor,
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decimalScaleFactor,
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optimizeScaleFactor,
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#g1simple_packing args
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halfByte,
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packingType,
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grid_ieee,precision
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) : read_only;
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meta values data_apply_bitmap(codedValues,bitmap,missingValue,binaryScaleFactor) : dump;
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alias data.packedValues = codedValues;
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} else {
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# For grib1 -> grib2
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constant bitMapIndicator = 255;
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meta values data_g1simple_packing(
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section4Length,
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offsetBeforeData,
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offsetSection4,
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unitsFactor,
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unitsBias,
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changingPrecision,
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numberOfCodedValues,
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bitsPerValue,
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referenceValue,
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binaryScaleFactor,
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decimalScaleFactor,
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optimizeScaleFactor,
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halfByte,
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packingType,
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grid_ieee,precision
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) : dump;
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alias data.packedValues = values;
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}
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meta numberOfCodedValues number_of_coded_values(bitsPerValue,offsetBeforeData,offsetAfterData,halfByte,numberOfValues) : dump;
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meta packingError simple_packing_error(bitsPerValue,binaryScaleFactor,decimalScaleFactor,referenceValue,ibm) : no_copy;
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meta unpackedError simple_packing_error(zero,binaryScaleFactor,decimalScaleFactor,referenceValue,ieee) : no_copy;
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template statistics "common/statistics_grid.def";
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template missing_values "common/missing_values_grid.def";
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