shz_vec4_dot2

SHZ_INLINE shz_vec2_t shz_vec4_dot2(shz_vec4_t l, shz_vec4_t r1, shz_vec4_t r2) SHZ_NOEXCEPT;

Returns the two dot products taken between the 4D vector l and 4D vectors r1 and r2.

Parameters

Name	Type	Description
l	shz_vec4_t
r1	shz_vec4_t
r2	shz_vec4_t

Returns

shz_vec2_t

Naming and requirements

• dot2/dot3: Computes 2 or 3 dot products of one left-hand side against several right-hand sides in one pipelined FIPR sequence. (Naming and Suffixes)

Availability

• C++ equivalent: none (call the C function from C++)
• Type-generic form: shz_vec_dot2()
• Back-ends: SH4: dedicated SH4 implementation · SW: portable C · SPU: shared C implementation
• Defined in: sh4zam/shz_vector.h:487
• Module: Vector, section "Binary Operations"