Original one-dimensional nonuniform Fourier code using the dynamically allocated Fortran 90 interface and bundled Netlib FFT implementation. Forty-nine checksum-guarded edits change legacy extent-one FFT dummy-array declarations to assumed size; every changed array is checked against its containing procedure argument list. No local arrays, transform formulas or global bounds-checking settings are changed. Legacy workspace argument type punning is accepted with the package-specific -fallow-argument-mismatch option. The example evaluates a type-1 transform of 96 deterministic nonuniform points into 32 modes for both exponent signs and compares every complex coefficient with an independent direct sum, including the documented 1/nj normalization. Status and finite values are checked. Types 2/3, the static Fortran 77 interface and every bundled FFT routine are not verified.
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Build record verified 2026-10-29.
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Original one-dimensional nonuniform Fourier code using the dynamically allocated Fortran 90 interface and bundled Netlib FFT implementation. Forty-nine checksum-guarded edits change legacy extent-one FFT dummy-array declarations to assumed size; every changed array is checked against its containing procedure argument list. No local arrays, transform formulas or global bounds-checking settings are changed. Legacy workspace argument type punning is accepted with the package-specific -fallow-argument-mismatch option. The example evaluates a type-1 transform of 96 deterministic nonuniform points into 32 modes for both exponent signs and compares every complex coefficient with an independent direct sum, including the documented 1/nj normalization. Status and finite values are checked. Types 2/3, the static Fortran 77 interface and every bundled FFT routine are not verified. The class-specific J1 driver adds 24 type-1 transforms: 80 nonuniform sources, 15/16/31/32 modes, three deterministic strength patterns and both exponent signs, checked against independently accumulated trigonometric sums and the exact zero mode. Type 2/3 and performance remain unverified.