// Code generated by modernc.org/undup from the per-target vec_*.go files; DO NOT EDIT.

//go:build (freebsd && amd64) || (linux && amd64) || (linux && arm64) || (linux && loong64) || (linux && ppc64le) || (linux && riscv64) || (linux && s390x) || (netbsd && amd64) || (openbsd && amd64) || (openbsd && arm64)

package vec

import (
	"unsafe"

	"modernc.org/libc"
	libsqlite3 "modernc.org/sqlite/lib"
)

func _vec_normalize(tls *libc.TLS, context uintptr, argc int32, argv uintptr) {
	bp := tls.Alloc(48)
	defer tls.Free(48)
	var i, i1 Tsize_t
	var norm Tf32
	var out, v uintptr
	var outSize, rc int32
	var _ /* cleanup at bp+16 */ Tvector_cleanup
	var _ /* dimensions at bp+8 */ Tsize_t
	var _ /* elementType at bp+32 */ _VectorElementType
	var _ /* err at bp+24 */ uintptr
	var _ /* vector at bp+0 */ uintptr
	_, _, _, _, _, _, _ = i, i1, norm, out, outSize, rc, v
	rc = Xvector_from_value(tls, **(**uintptr)(__ccgo_up(argv)), bp, bp+8, bp+32, bp+16, bp+24)
	if rc != m_SQLITE_OK {
		libsqlite3.Xsqlite3_result_error(tls, context, **(**uintptr)(__ccgo_up(bp + 24)), -int32(1))
		libsqlite3.Xsqlite3_free(tls, **(**uintptr)(__ccgo_up(bp + 24)))
		return
	}
	if **(**_VectorElementType)(__ccgo_up(bp + 32)) != int32(_SQLITE_VEC_ELEMENT_TYPE_FLOAT32) {
		libsqlite3.Xsqlite3_result_error(tls, context, __ccgo_ts+1688, -int32(1))
		(*(*func(*libc.TLS, uintptr))(unsafe.Pointer(bp + 16)))(tls, **(**uintptr)(__ccgo_up(bp)))
		return
	}
	outSize = libc.Int32FromUint64(**(**Tsize_t)(__ccgo_up(bp + 8)) * uint64(4))
	out = libsqlite3.Xsqlite3_malloc(tls, outSize)
	if !(out != 0) {
		(*(*func(*libc.TLS, uintptr))(unsafe.Pointer(bp + 16)))(tls, **(**uintptr)(__ccgo_up(bp)))
		libsqlite3.Xsqlite3_result_error_code(tls, context, int32(m_SQLITE_NOMEM))
		return
	}
	libc.Xmemset(tls, out, 0, libc.Uint64FromInt32(outSize))
	v = **(**uintptr)(__ccgo_up(bp))
	norm = libc.Float32FromInt32(0)
	i = uint64(0)
	for {
		if !(i < **(**Tsize_t)(__ccgo_up(bp + 8))) {
			break
		}
		norm = norm + Tf32(**(**Tf32)(__ccgo_up(v + uintptr(i)*4))***(**Tf32)(__ccgo_up(v + uintptr(i)*4)))
		goto _1
	_1:
		;
		i = i + 1
	}
	norm = float32(libc.Xsqrt(tls, float64(norm)))
	i1 = uint64(0)
	for {
		if !(i1 < **(**Tsize_t)(__ccgo_up(bp + 8))) {
			break
		}
		**(**Tf32)(__ccgo_up(out + uintptr(i1)*4)) = **(**Tf32)(__ccgo_up(v + uintptr(i1)*4)) / norm
		goto _2
	_2:
		;
		i1 = i1 + 1
	}
	libsqlite3.Xsqlite3_result_blob(tls, context, out, libc.Int32FromUint64(**(**Tsize_t)(__ccgo_up(bp + 8))*uint64(4)), __ccgo_fp(libsqlite3.Xsqlite3_free))
	libsqlite3.Xsqlite3_result_subtype(tls, context, uint32(_SQLITE_VEC_ELEMENT_TYPE_FLOAT32))
	(*(*func(*libc.TLS, uintptr))(unsafe.Pointer(bp + 16)))(tls, **(**uintptr)(__ccgo_up(bp)))
}