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12 lines
665 B
Plaintext
12 lines
665 B
Plaintext
DDFUN: A double-double package with special functions (approximately 30 digit
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precision).
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This package permits one to perform floating-point computations (real and
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complex) to double-double precision (approximately 30 digits), by making only
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relatively minor changes to existing Fortran programs. It is intended as a
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substitute for IEEE 128-bit quad precision on systems where quad precision is
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not available. All basic arithmetic operations and transcendental functions are
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supported, together with numerous special functions. The package should run
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correctly on any Unix-based system supporting a Fortran-2008 compiler and IEEE
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64-bit floating-point arithmetic.
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