mirror of https://github.com/ecmwf/eccodes.git
139 lines
3.4 KiB
Modula-2
139 lines
3.4 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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# For grib1 -> grib2
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#constant dataRepresentationTemplateNumber = 51;
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constant PUnset = -32767;
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unsigned[2] N : read_only,dump;
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signed[2] P = PUnset ;
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unsigned[1] JS=0 : dump;
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unsigned[1] KS=0 : dump;
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unsigned[1] MS=0 : dump;
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alias subSetJ=JS ;
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alias subSetK=KS ;
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alias subSetM=MS ;
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constant GRIBEXShBugPresent = 1;
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if (gribex_mode_on()) {
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transient computeLaplacianOperator=0 : hidden;
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} else {
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transient computeLaplacianOperator=1 : hidden;
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}
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meta data.laplacianOperator scale(P,oneConstant,grib1divider,truncateLaplacian) : dump;
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meta laplacianOperatorIsSet evaluate(P != PUnset && !computeLaplacianOperator );
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if (localUsePresent) {
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if (changed(localDefinitionNumber)) {
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transient TS = 0 ;
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meta TScalc spectral_truncation(JS,KS,MS,TS) : read_only,hidden;
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meta Nassigned octect_number(N,4*TScalc) : hidden ;
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}
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}
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position offsetBeforeData;
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meta values data_g1complex_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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GRIBEXShBugPresent,
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ieeeFloats,
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laplacianOperatorIsSet,
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laplacianOperator,
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subSetJ,
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subSetK,
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subSetM,
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pentagonalResolutionParameterJ,
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pentagonalResolutionParameterK,
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pentagonalResolutionParameterM,
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halfByte,
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N,packingType,spectral_ieee,precision
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) : dump ;
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meta data.packedValues data_sh_packed(
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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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GRIBEXShBugPresent,
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ieeeFloats,
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laplacianOperatorIsSet,
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laplacianOperator,
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subSetJ,
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subSetK,
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subSetM,
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pentagonalResolutionParameterJ,
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pentagonalResolutionParameterK,
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pentagonalResolutionParameterM
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) : read_only;
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meta data.unpackedValues data_sh_unpacked(
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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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GRIBEXShBugPresent,
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ieeeFloats,
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laplacianOperatorIsSet,
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laplacianOperator,
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subSetJ,
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subSetK,
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subSetM,
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pentagonalResolutionParameterJ,
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pentagonalResolutionParameterK,
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pentagonalResolutionParameterM
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) : read_only;
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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,ibm) : no_copy;
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# nearest sh(values,radius,J,K,M);
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meta numberOfCodedValues g1number_of_coded_values_sh_complex(bitsPerValue,offsetBeforeData,offsetAfterData,halfByte,numberOfValues,subSetJ,subSetK,subSetM) : dump;
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template statistics "common/statistics_spectral.def";
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