func AddConst(c float64, dst []float64) {
	for i := range dst {
		dst[i] += c
	}
}
AddConst adds the scalar c to all of the values in dst.
package floats
import (
	"errors"
	"math"
	"sort"
	"strconv"
	"gonum.org/v1/gonum/internal/asm/f64"
)
func Add(dst, s []float64) {
	if len(dst) != len(s) {
		panic("floats: length of the slices do not match")
	}
	f64.AxpyUnitaryTo(dst, 1, s, dst)
}
func AddTo(dst, s, t []float64) []float64 {
	if len(s) != len(t) {
		panic("floats: length of adders do not match")
	}
	if len(dst) != len(s) {
		panic("floats: length of destination does not match length of adder")
	}
	f64.AxpyUnitaryTo(dst, 1, s, t)
	return dst
}