Variables¶

C¶

• variable c_degtorad Degrees to radians conversion factor (π / 180).
• variable c_e The mathematical constant e (Euler's number), scaled by m/d.
• variable c_epsilon The machine epsilon — the smallest value such that 1 + epsilon ≠ 1.
• variable c_infinity Positive infinity representation.
• variable c_log_10 The natural logarithm of 10 (ln(10)).
• variable c_log_2 The natural logarithm of 2 (ln(2)).
• variable c_mantissa_bits The number of mantissa bits for the given floating-point type.
• variable c_mantissa_mask The bitmask for the mantissa of the floating-point representation.
• variable c_neginfinity Negative infinity representation.
• variable c_pi The mathematical constant π (pi), scaled by m/d.
• variable c_qnan A quiet NaN (Not-a-Number) value.
• variable c_radtodeg Radians to degrees conversion factor (180 / π).
• variable c_recip_log_10 The reciprocal of the natural logarithm of 10 (1 / ln(10)).
• variable c_recip_log_2 The reciprocal of the natural logarithm of 2 (1 / ln(2)).
• variable c_recip_pi The reciprocal of π (1/π), scaled by m/d.
• variable c_sqr_pi The square of π (pi²), scaled by m/d.
• variable c_sqrt_2 The square root of 2 (√2), scaled by m/d.
• variable caligned Instance of caligned_t.
• variable ccpu Compile-time constant instance of ccpu_t .
• variable cones Instance of cones_t.
• variable cpu_all Compile-time list of all CPU instruction sets supported by the current architecture that are not newer than cpu_t::native .
• variable cpuval Compile-time constant instance of cpuval_t .
• variable cunaligned Instance of cunaligned_t.
• variable czeros Instance of czeros_t.

F¶

• variable float_types
• variable float_vector_types Instance of float_vector_types_t for use as a value parameter pack.
• variable force_compiletime_size_t Forces a compile-time evaluation of the given size_t value.

I¶

• variable index_undefined Sentinel index value meaning "no index".
• variable infinity Positive infinity as a double .
• variable integer_types Type list of all integer element types (signed and unsigned).
• variable integer_vector_types Instance of integer_vector_types_t for use as a value parameter pack.
• variable is_bit True when T is a bit<U> specialization.
• variable is_complex Variable template: true if T is a complex specialization.
• variable is_simd_float_type True when T is a floating-point SIMD element type.
• variable is_simd_int_type True when T is an integer SIMD element type.
• variable is_simd_type True when T is one of the scalar types usable as a SIMD element.
• variable is_vec True if T is a vec instantiation.
• variable is_vec_element True if T (after stripping cv) is usable as a vec element type.

M¶

• variable max_test_size Maximum vector size (in elements) exercised by the test suite for the current architecture.
• variable maximum_vector_size
• variable minimum_vector_width Minimum SIMD vector width (in elements) for type T on the native platform.

N¶

• variable numeric_types
• variable numeric_vector_types Instance combining integer and floating-point vector types for use as a value parameter pack.

P¶

• variable partial_masks Lookup table used by partial_mask to build vectors with a leading run of all-ones elements.

Q¶

• variable qnan Quiet NaN (Not-a-Number) as a double .

S¶

• variable signed_types Type list of all signed integer element types.
• variable signed_vector_types Instance of signed_vector_types_t for use as a value parameter pack.

T¶

• variable test_vector_sizes Set of vector sizes used by the test harness.

U¶

• variable unsigned_types Type list of all unsigned integer element types.
• variable unsigned_vector_types Instance of unsigned_vector_types_t for use as a value parameter pack.

V¶

• variable vec_rank Rank of a type within the compound-vector hierarchy.
• variable vector_capacity Total SIMD capacity (in elements) for type T on the native platform.
• variable vector_width SIMD vector width (in elements) for type T on the native platform.
• variable vector_width_for SIMD vector width (in elements) for type T on the given CPU.