apytypes_common.h¶
Enums
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enum class QuantizationMode¶
Values:
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enumerator TRN¶
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enumerator TRN_INF¶
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enumerator TRN_ZERO¶
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enumerator TRN_AWAY¶
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enumerator TRN_MAG¶
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enumerator RND¶
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enumerator RND_ZERO¶
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enumerator RND_INF¶
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enumerator RND_MIN_INF¶
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enumerator RND_CONV¶
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enumerator RND_CONV_ODD¶
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enumerator JAM¶
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enumerator JAM_UNBIASED¶
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enumerator STOCH_WEIGHTED¶
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enumerator STOCH_EQUAL¶
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enumerator TRN¶
Functions
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std::uint64_t rnd64_fx()¶
64-bit uniform random number generator for fixed-point stachastic quantization
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std::uint64_t rnd64_fp()¶
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void rst_default_rnd64_fx(std::uint64_t seed)¶
Reset the default stochastic quantization random number generators.
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void rst_default_rnd64_fp(std::uint64_t seed)¶
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std::uint64_t get_rnd64_fx_seed()¶
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std::uint64_t get_rnd64_fp_seed()¶
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void set_float_quantization_mode(QuantizationMode mode)¶
Set the global quantization mode for APyFloat.
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QuantizationMode get_float_quantization_mode()¶
Return the global quantization mode for APyFloat.
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APyFixedCastOption get_fixed_cast_mode()¶
Return the global cast mode for APyFixed.
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std::optional<APyFixedAccumulatorOption> get_accumulator_mode_fixed()¶
Return the global accumulator mode for APyFixed.
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std::optional<APyFloatAccumulatorOption> get_accumulator_mode_float()¶
Return the global accumulator mode for APyFloat.
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class ContextManager¶
- #include <apytypes_common.h>
Base class defining the interface for context managers.
Subclassed by APyFixedAccumulatorContext, APyFixedCastContext, APyFloatAccumulatorContext, APyFloatQuantizationContext
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class APyFloatQuantizationContext : public ContextManager¶
Public Functions
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APyFloatQuantizationContext(const QuantizationMode &new_mode, std::optional<std::uint64_t> seed = std::nullopt)¶
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virtual void enter_context() override¶
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virtual void exit_context() override¶
Private Members
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QuantizationMode prev_mode¶
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QuantizationMode new_mode¶
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std::uint64_t prev_seed¶
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std::uint64_t new_seed¶
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const std::function<std::uint64_t()> &prev_engine¶
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std::mt19937_64 default_engine¶
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std::function<std::uint64_t()> new_engine¶
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APyFloatQuantizationContext(const QuantizationMode &new_mode, std::optional<std::uint64_t> seed = std::nullopt)¶
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struct APyFixedCastOption¶
Public Members
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QuantizationMode quantization¶
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OverflowMode overflow¶
Quantization mode to use for cast operations.
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QuantizationMode quantization¶
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class APyFixedCastContext : public ContextManager¶
Public Functions
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APyFixedCastContext(std::optional<QuantizationMode> quantization = std::nullopt, std::optional<OverflowMode> overflow = std::nullopt)¶
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virtual void enter_context() override¶
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virtual void exit_context() override¶
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APyFixedCastContext(std::optional<QuantizationMode> quantization = std::nullopt, std::optional<OverflowMode> overflow = std::nullopt)¶
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struct APyFixedAccumulatorOption¶
Public Members
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int bits¶
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int int_bits¶
Total number of bits to use for accumulator.
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QuantizationMode quantization¶
Number of integer bits to use for accumulator.
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OverflowMode overflow¶
Quantization mode to use for multiplication result.
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int bits¶
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class APyFixedAccumulatorContext : public ContextManager¶
Public Functions
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APyFixedAccumulatorContext(std::optional<int> int_bits = std::nullopt, std::optional<int> frac_bits = std::nullopt, std::optional<QuantizationMode> quantization = std::nullopt, std::optional<OverflowMode> overflow = std::nullopt, std::optional<int> bits = std::nullopt)¶
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virtual void enter_context() override¶
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virtual void exit_context() override¶
Private Members
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std::optional<APyFixedAccumulatorOption> current_mode¶
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std::optional<APyFixedAccumulatorOption> previous_mode¶
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APyFixedAccumulatorContext(std::optional<int> int_bits = std::nullopt, std::optional<int> frac_bits = std::nullopt, std::optional<QuantizationMode> quantization = std::nullopt, std::optional<OverflowMode> overflow = std::nullopt, std::optional<int> bits = std::nullopt)¶
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struct APyFloatAccumulatorOption¶
Public Functions
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inline APyFloatSpec get_spec(exp_t backup_bias) const noexcept¶
Public Members
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std::uint8_t exp_bits¶
Number of exponent bits.
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std::uint8_t man_bits¶
Number of mantissa bits.
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std::optional<exp_t> bias¶
Exponent bias.
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QuantizationMode quantization¶
Quantization mode.
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inline APyFloatSpec get_spec(exp_t backup_bias) const noexcept¶
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class APyFloatAccumulatorContext : public ContextManager¶
Public Functions
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APyFloatAccumulatorContext(std::optional<int> = std::nullopt, std::optional<int> = std::nullopt, std::optional<exp_t> = std::nullopt, std::optional<QuantizationMode> quantization = std::nullopt)¶
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virtual void enter_context() override¶
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virtual void exit_context() override¶
Private Members
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std::optional<APyFloatAccumulatorOption> current_mode¶
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std::optional<APyFloatAccumulatorOption> previous_mode¶
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APyFloatAccumulatorContext(std::optional<int> = std::nullopt, std::optional<int> = std::nullopt, std::optional<exp_t> = std::nullopt, std::optional<QuantizationMode> quantization = std::nullopt)¶